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Installing robotology superbuild but package (gz-sim8) did not installed #1662

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16239014 opened this issue Jun 3, 2024 · 33 comments
Open

Installing robotology superbuild but package (gz-sim8) did not installed #1662

16239014 opened this issue Jun 3, 2024 · 33 comments

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@16239014
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16239014 commented Jun 3, 2024

1) And i install python 3.11 with spyder 5.5.4 when i try to run this example it show error of (yarp module not found) [https://robotology.github.io/robotology-documentation/doc/html/icub_python_basic_motor.html]

  **step i follow when run spyder**
         1. i activate environment
         2. then source robotology
         3. then run spyder

2) I did fresh installation multiple times of Robotology superbuild but every time get stuck on this package:

conda install -c conda-forge gz-sim8

Error log:

(robsub) sohail@sohail-Lenovo-V14-G3-IAP:~$ conda install -c conda-forge gz-sim8
Channels:
 - conda-forge
 - defaults
Platform: linux-64
Collecting package metadata (repodata.json): done
Solving environment: \ warning  libmamba Added empty dependency for problem type SOLVER_RULE_UPDATE
failed

LibMambaUnsatisfiableError: Encountered problems while solving:
  - package gz-sim8-8.0.0-ha770c72_0 requires gz-sim8-python >=8.0.0,<8.0.1.0a0, but none of the providers can be installed

Could not solve for environment specs
The following packages are incompatible
├─ gazebo is installable with the potential options
│  ├─ gazebo 11.14.0 would require
│  │  ├─ libgdal [>=3.8.2,<3.9.0a0 |>=3.8.3,<3.9.0a0 |>=3.8.4,<3.9.0a0 ] with the potential options
│  │  │  ├─ libgdal [3.8.2|3.8.3|3.8.4] would require
│  │  │  │  └─ pcre2 >=10.42,<10.43.0a0 , which can be installed;
│  │  │  └─ libgdal [3.8.4|3.8.5|3.9.0] would require
│  │  │     └─ pcre2 >=10.43,<10.44.0a0 , which can be installed;
│  │  └─ libignition-common3 >=3.15.1,<4.0a0  with the potential options
│  │     ├─ libignition-common3 3.15.1 would require
│  │     │  └─ libglib >=2.78.3,<3.0a0  with the potential options
│  │     │     ├─ libglib [2.78.3|2.78.4] would require
│  │     │     │  └─ pcre2 >=10.42,<10.43.0a0 , which can be installed;
│  │     │     └─ libglib [2.78.4|2.80.0|2.80.1|2.80.2] would require
│  │     │        └─ pcre2 >=10.43,<10.44.0a0 , which can be installed;
│  │     ├─ libignition-common3 3.15.1 would require
│  │     │  └─ tinyxml2 >=9.0.0,<10.0a0 , which can be installed;
│  │     └─ libignition-common3 3.15.1 would require
│  │        └─ libglib >=2.80.0,<3.0a0 , which can be installed (as previously explained);
│  ├─ gazebo [11.10.0|11.10.1|...|11.9.1] would require
│  │  └─ tinyxml2 >=9.0.0,<10.0a0 , which can be installed;
│  ├─ gazebo 11.0.0 would require
│  │  └─ tinyxml2 >=7.1.0,<7.2.0a0 , which can be installed;
│  ├─ gazebo [11.0.0|11.1.0|...|9.15.0] would require
│  │  └─ tinyxml2 >=8.0.0,<8.1.0a0 , which can be installed;
│  ├─ gazebo 11.14.0 would require
│  │  └─ libgdal [>=3.8.5,<3.9.0a0 |>=3.9.0,<3.10.0a0 ], which can be installed (as previously explained);
│  └─ gazebo 11.14.0 would require
│     ├─ libgdal [>=3.8.5,<3.9.0a0 |>=3.9.0,<3.10.0a0 ], which can be installed (as previously explained);
│     └─ libgz-tools2 <0.0.0 , which can be installed;
├─ gz-sim8 is not installable because there are no viable options
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0] would require
│  │  │  │  └─ python >=3.10,<3.11.0a0 , which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 8.0.0 h1450896_1, which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 8.0.0 h1450896_2, which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 [8.0.0 h5f21e3b_5|8.0.0 haa24753_4], which requires
│  │  │  │     └─ tinyxml2 >=10.0.0,<11.0a0 , which conflicts with any installable versions previously reported;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 8.0.0 h11108b9_3, which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 8.0.0 h6d2d967_0, which can be installed;
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0] would require
│  │  │  │  └─ python >=3.12,<3.13.0a0 , which can be installed;
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0] would require
│  │  │  │  └─ python >=3.8,<3.9.0a0 , which can be installed;
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0] would require
│  │  │     └─ python >=3.9,<3.10.0a0 , which can be installed;
│  │  └─ libgz-sim8 8.0.0 h69b2f4f_0, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which cannot be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.0.0 h2b00687_1, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which cannot be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.0.0 h2b00687_2, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which cannot be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.0.0 h6566d4f_3, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.0.0 would require
│  │  └─ libgz-sim8 8.0.0 haa24753_4, which cannot be installed (as previously explained);
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which cannot be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.0.0 ha430fe6_5, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.1.0 would require
│  │  └─ libgz-sim8 8.1.0 h5f21e3b_0, which requires
│  │     ├─ libgz-tools2 >=2.0.0,<3.0a0 , which conflicts with any installable versions previously reported;
│  │     └─ tinyxml2 >=10.0.0,<11.0a0 , which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.1.0 would require
│  │  ├─ gz-sim8-python >=8.1.0,<8.1.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.1.0 would require
│  │  │  │  └─ libgz-sim8 8.1.0 hf183b0b_1, which can be installed;
│  │  │  ├─ gz-sim8-python 8.1.0 would require
│  │  │  │  └─ libgz-sim8 8.1.0 h5f21e3b_0, which cannot be installed (as previously explained);
│  │  │  └─ gz-sim8-python 8.1.0 would require
│  │  │     └─ libgz-sim8 8.1.0 h166bd2e_2, which can be installed;
│  │  └─ libgz-sim8 8.1.0 hce50c1e_1, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.1.0 would require
│  │  ├─ gz-sim8-python >=8.1.0,<8.1.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.1.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.1.0, which cannot be installed (as previously explained);
│  │  │  └─ gz-sim8-python 8.1.0, which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.1.0 h5fd5377_2, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.2.0 would require
│  │  ├─ gz-sim8-python >=8.2.0,<8.2.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python 8.2.0 would require
│  │  │     └─ libgz-sim8 8.2.0 h166bd2e_0, which can be installed;
│  │  └─ libgz-sim8 8.2.0 h38a5098_0, which conflicts with any installable versions previously reported;
│  └─ gz-sim8 8.3.0 would require
│     ├─ gz-sim8-python >=8.3.0,<8.3.1.0a0  with the potential options
│     │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│     │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│     │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│     │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│     │  └─ gz-sim8-python 8.3.0 would require
│     │     └─ libgz-sim8 8.3.0 h166bd2e_0, which can be installed;
│     └─ libgz-sim8 8.3.0 h5fd5377_0, which conflicts with any installable versions previously reported;
├─ pin-1 is not installable because it requires
│  └─ python 3.11.* , which conflicts with any installable versions previously reported;
└─ swig 4.1.0  is not installable because there are no viable options
   ├─ swig 4.1.0 would require
   │  └─ pcre2 >=10.40,<10.41.0a0 , which conflicts with any installable versions previously reported;
   └─ swig 4.1.0 would require
      └─ pcre2 >=10.37,<10.38.0a0 , which conflicts with any installable versions previously reported.
@traversaro
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Please open a different issue for each problem, thanks!

@traversaro
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2) I did fresh installation multiple times of Robotology superbuild but every time get stuck on this package:

Can you report exactly the command you used? The error could depend on the error, and the commands depend on which options you are enabling.

@16239014
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16239014 commented Jun 4, 2024

Can you report exactly the command you used? The error could depend on the error, and the commands depend on which options you are enabling.

conda install -c conda-forge gz-sim8

if you haven't read Error log:

(robsub) sohail@sohail-Lenovo-V14-G3-IAP:~$ conda install -c conda-forge gz-sim8
Channels:
 - conda-forge
 - defaults
Platform: linux-64
Collecting package metadata (repodata.json): done
Solving environment: \ warning  libmamba Added empty dependency for problem type SOLVER_RULE_UPDATE
failed

LibMambaUnsatisfiableError: Encountered problems while solving:
  - package gz-sim8-8.0.0-ha770c72_0 requires gz-sim8-python >=8.0.0,<8.0.1.0a0, but none of the providers can be installed

Could not solve for environment specs
The following packages are incompatible
├─ gazebo is installable with the potential options
│  ├─ gazebo 11.14.0 would require
│  │  ├─ libgdal [>=3.8.2,<3.9.0a0 |>=3.8.3,<3.9.0a0 |>=3.8.4,<3.9.0a0 ] with the potential options
│  │  │  ├─ libgdal [3.8.2|3.8.3|3.8.4] would require
│  │  │  │  └─ pcre2 >=10.42,<10.43.0a0 , which can be installed;
│  │  │  └─ libgdal [3.8.4|3.8.5|3.9.0] would require
│  │  │     └─ pcre2 >=10.43,<10.44.0a0 , which can be installed;
│  │  └─ libignition-common3 >=3.15.1,<4.0a0  with the potential options
│  │     ├─ libignition-common3 3.15.1 would require
│  │     │  └─ libglib >=2.78.3,<3.0a0  with the potential options
│  │     │     ├─ libglib [2.78.3|2.78.4] would require
│  │     │     │  └─ pcre2 >=10.42,<10.43.0a0 , which can be installed;
│  │     │     └─ libglib [2.78.4|2.80.0|2.80.1|2.80.2] would require
│  │     │        └─ pcre2 >=10.43,<10.44.0a0 , which can be installed;
│  │     ├─ libignition-common3 3.15.1 would require
│  │     │  └─ tinyxml2 >=9.0.0,<10.0a0 , which can be installed;
│  │     └─ libignition-common3 3.15.1 would require
│  │        └─ libglib >=2.80.0,<3.0a0 , which can be installed (as previously explained);
│  ├─ gazebo [11.10.0|11.10.1|...|11.9.1] would require
│  │  └─ tinyxml2 >=9.0.0,<10.0a0 , which can be installed;
│  ├─ gazebo 11.0.0 would require
│  │  └─ tinyxml2 >=7.1.0,<7.2.0a0 , which can be installed;
│  ├─ gazebo [11.0.0|11.1.0|...|9.15.0] would require
│  │  └─ tinyxml2 >=8.0.0,<8.1.0a0 , which can be installed;
│  ├─ gazebo 11.14.0 would require
│  │  └─ libgdal [>=3.8.5,<3.9.0a0 |>=3.9.0,<3.10.0a0 ], which can be installed (as previously explained);
│  └─ gazebo 11.14.0 would require
│     ├─ libgdal [>=3.8.5,<3.9.0a0 |>=3.9.0,<3.10.0a0 ], which can be installed (as previously explained);
│     └─ libgz-tools2 <0.0.0 , which can be installed;
├─ gz-sim8 is not installable because there are no viable options
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0] would require
│  │  │  │  └─ python >=3.10,<3.11.0a0 , which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 8.0.0 h1450896_1, which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 8.0.0 h1450896_2, which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 [8.0.0 h5f21e3b_5|8.0.0 haa24753_4], which requires
│  │  │  │     └─ tinyxml2 >=10.0.0,<11.0a0 , which conflicts with any installable versions previously reported;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 8.0.0 h11108b9_3, which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 8.0.0 h6d2d967_0, which can be installed;
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0] would require
│  │  │  │  └─ python >=3.12,<3.13.0a0 , which can be installed;
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0] would require
│  │  │  │  └─ python >=3.8,<3.9.0a0 , which can be installed;
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0] would require
│  │  │     └─ python >=3.9,<3.10.0a0 , which can be installed;
│  │  └─ libgz-sim8 8.0.0 h69b2f4f_0, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which cannot be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.0.0 h2b00687_1, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which cannot be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.0.0 h2b00687_2, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which cannot be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.0.0 h6566d4f_3, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.0.0 would require
│  │  └─ libgz-sim8 8.0.0 haa24753_4, which cannot be installed (as previously explained);
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which cannot be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.0.0 ha430fe6_5, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.1.0 would require
│  │  └─ libgz-sim8 8.1.0 h5f21e3b_0, which requires
│  │     ├─ libgz-tools2 >=2.0.0,<3.0a0 , which conflicts with any installable versions previously reported;
│  │     └─ tinyxml2 >=10.0.0,<11.0a0 , which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.1.0 would require
│  │  ├─ gz-sim8-python >=8.1.0,<8.1.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.1.0 would require
│  │  │  │  └─ libgz-sim8 8.1.0 hf183b0b_1, which can be installed;
│  │  │  ├─ gz-sim8-python 8.1.0 would require
│  │  │  │  └─ libgz-sim8 8.1.0 h5f21e3b_0, which cannot be installed (as previously explained);
│  │  │  └─ gz-sim8-python 8.1.0 would require
│  │  │     └─ libgz-sim8 8.1.0 h166bd2e_2, which can be installed;
│  │  └─ libgz-sim8 8.1.0 hce50c1e_1, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.1.0 would require
│  │  ├─ gz-sim8-python >=8.1.0,<8.1.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.1.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.1.0, which cannot be installed (as previously explained);
│  │  │  └─ gz-sim8-python 8.1.0, which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.1.0 h5fd5377_2, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.2.0 would require
│  │  ├─ gz-sim8-python >=8.2.0,<8.2.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python 8.2.0 would require
│  │  │     └─ libgz-sim8 8.2.0 h166bd2e_0, which can be installed;
│  │  └─ libgz-sim8 8.2.0 h38a5098_0, which conflicts with any installable versions previously reported;
│  └─ gz-sim8 8.3.0 would require
│     ├─ gz-sim8-python >=8.3.0,<8.3.1.0a0  with the potential options
│     │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│     │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│     │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│     │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│     │  └─ gz-sim8-python 8.3.0 would require
│     │     └─ libgz-sim8 8.3.0 h166bd2e_0, which can be installed;
│     └─ libgz-sim8 8.3.0 h5fd5377_0, which conflicts with any installable versions previously reported;
├─ pin-1 is not installable because it requires
│  └─ python 3.11.* , which conflicts with any installable versions previously reported;
└─ swig 4.1.0  is not installable because there are no viable options
   ├─ swig 4.1.0 would require
   │  └─ pcre2 >=10.40,<10.41.0a0 , which conflicts with any installable versions previously reported;
   └─ swig 4.1.0 would require
      └─ pcre2 >=10.37,<10.38.0a0 , which conflicts with any installable versions previously reported.

@traversaro
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I was referring to all the commands you used to create and modify the robsub environment.

@16239014
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16239014 commented Jun 4, 2024

I was referring to all the commands you used to create and modify the robsub environment.

i am following these steps https://github.com/robotology/robotology-superbuild/blob/master/doc/conda-forge.md#source-installation

conda create -n robsub
conda activate robsub


conda install -c conda-forge ace asio assimp boost eigen freetype glew glfw glm graphviz gsl ipopt irrlicht 
libjpeg-turbo libmatio libode libxml2 nlohmann_json pcl opencv portaudio qt-main sdl sdl2 sqlite tinyxml 
tinyxml2 spdlog lua soxr qhull cmake compilers make ninja pkg-config tomlplusplus libzlib "ffmpeg==6.*" 
onnxruntime-cpp

conda install -c conda-forge bash-completion freeglut libdc1394 libi2c libselinux-cos7-x86_64 xorg-libxau
 libxcb xorg-libxdamage xorg-libxext xorg-libxfixes xorg-libxxf86vm xorg-libxrandr mesa-libgl-cos7-x86_64 
mesa-libgl-devel-cos7-x86_64 libxshmfence-cos7-x86_64 libxshmfence-devel-cos7-x86_64

conda install -c conda-forge python numpy "swig==4.1.0" pybind11 pyqt matplotlib h5py 
tornado u-msgpack-python pyzmq ipython gst-plugins-good gst-plugins-bad pyqtwebengine qtpy pyyaml

conda install -c conda-forge pcl vtk

conda install -c conda-forge gazebo

conda install -c conda-forge gz-sim8

@traversaro traversaro reopened this Jun 4, 2024
@16239014
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@traversaro what about this any idea what the issue with that package??

@traversaro
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If I try to do so all those commands, my installer hangs. Let's try to install all of them in a single install:

conda create -n robsub124 -c conda-forge ace asio assimp boost eigen freetype glew glfw glm graphviz gsl ipopt irrlicht  libjpeg-turbo libmatio libode libxml2 nlohmann_json pcl opencv portaudio qt-main sdl sdl2 sqlite tinyxml  tinyxml2 spdlog lua soxr qhull cmake compilers make ninja pkg-config tomlplusplus libzlib "ffmpeg==6.*"  onnxruntime-cpp bash-completion freeglut libdc1394 libi2c libselinux-cos7-x86_64 xorg-libxau libxcb xorg-libxdamage xorg-libxext xorg-libxfixes xorg-libxxf86vm xorg-libxrandr mesa-libgl-cos7-x86_64  mesa-libgl-devel-cos7-x86_64 libxshmfence-cos7-x86_64 libxshmfence-devel-cos7-x86_64 python numpy "swig==4.1.0" pybind11 pyqt matplotlib h5py tornado u-msgpack-python pyzmq ipython gst-plugins-good gst-plugins-bad pyqtwebengine qtpy pyyaml  pcl vtk gazebo  gz-sim8

in this case, it works fine for me, can you try?

@16239014
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conda create -n robsub124 -c conda-forge ace asio assimp boost eigen freetype glew glfw glm graphviz gsl ipopt irrlicht  libjpeg-turbo libmatio libode libxml2 nlohmann_json pcl opencv portaudio qt-main sdl sdl2 sqlite tinyxml  tinyxml2 spdlog lua soxr qhull cmake compilers make ninja pkg-config tomlplusplus libzlib "ffmpeg==6.*"  onnxruntime-cpp bash-completion freeglut libdc1394 libi2c libselinux-cos7-x86_64 xorg-libxau libxcb xorg-libxdamage xorg-libxext xorg-libxfixes xorg-libxxf86vm xorg-libxrandr mesa-libgl-cos7-x86_64  mesa-libgl-devel-cos7-x86_64 libxshmfence-cos7-x86_64 libxshmfence-devel-cos7-x86_64 python numpy "swig==4.1.0" pybind11 pyqt matplotlib h5py tornado u-msgpack-python pyzmq ipython gst-plugins-good gst-plugins-bad pyqtwebengine qtpy pyyaml  pcl vtk gazebo  gz-sim8

in this case, it works fine for me, can you try?

yes i try this and it show same error about package gz-sim8

@traversaro
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Interesting, can you please report the exact output of the command?

@16239014
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Interesting, can you please report the exact output of the command?

(robsub) sohail@sohail-Lenovo-V14-G3-IAP:~$ conda install -c conda-forge ace asio assimp boost eigen freetype glew glfw glm graphviz gsl ipopt irrlicht  libjpeg-turbo libmatio libode libxml2 nlohmann_json pcl opencv portaudio qt-main sdl sdl2 sqlite tinyxml  tinyxml2 spdlog lua soxr qhull cmake compilers make ninja pkg-config tomlplusplus libzlib "ffmpeg==6.*"  onnxruntime-cpp bash-completion freeglut libdc1394 libi2c libselinux-cos7-x86_64 xorg-libxau libxcb xorg-libxdamage xorg-libxext xorg-libxfixes xorg-libxxf86vm xorg-libxrandr mesa-libgl-cos7-x86_64  mesa-libgl-devel-cos7-x86_64 libxshmfence-cos7-x86_64 libxshmfence-devel-cos7-x86_64 numpy "swig==4.1.0" pybind11 pyqt matplotlib h5py tornado gst-plugins-good gst-plugins-bad pyqtwebengine qtpy pyyaml  pcl vtk gazebo  gz-sim8
Channels:
 - conda-forge
 - defaults
Platform: linux-64
Collecting package metadata (repodata.json): done
Solving environment: - warning  libmamba Added empty dependency for problem type SOLVER_RULE_UPDATE
failed

LibMambaUnsatisfiableError: Encountered problems while solving:
  - package gz-sim8-8.0.0-ha770c72_0 requires gz-sim8-python >=8.0.0,<8.0.1.0a0, but none of the providers can be installed

Could not solve for environment specs
The following packages are incompatible
├─ gz-sim8 is not installable because there are no viable options
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0] would require
│  │  │  │  └─ python >=3.10,<3.11.0a0 , which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 8.0.0 h1450896_1, which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 8.0.0 h1450896_2, which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 8.0.0 h5f21e3b_5, which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 8.0.0 h11108b9_3, which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  ├─ libgz-common5 >=5.4.2,<6.0a0  with the potential options
│  │  │  │  │  ├─ libgz-common5 5.4.2 would require
│  │  │  │  │  │  └─ tinyxml2 >=9.0.0,<10.0a0 , which can be installed;
│  │  │  │  │  ├─ libgz-common5 [5.4.2|5.5.0] would require
│  │  │  │  │  │  ├─ libgdal [>=3.8.2,<3.9.0a0 |>=3.8.3,<3.9.0a0 ] with the potential options
│  │  │  │  │  │  │  ├─ libgdal [3.8.2|3.8.3|3.8.4] would require
│  │  │  │  │  │  │  │  └─ pcre2 >=10.42,<10.43.0a0 , which can be installed;
│  │  │  │  │  │  │  └─ libgdal [3.8.4|3.8.5] would require
│  │  │  │  │  │  │     └─ pcre2 >=10.43,<10.44.0a0 , which can be installed;
│  │  │  │  │  │  └─ libglib >=2.78.3,<3.0a0  with the potential options
│  │  │  │  │  │     ├─ libglib [2.78.3|2.78.4] would require
│  │  │  │  │  │     │  └─ pcre2 >=10.42,<10.43.0a0 , which can be installed;
│  │  │  │  │  │     └─ libglib [2.78.4|2.80.0|2.80.1|2.80.2] would require
│  │  │  │  │  │        └─ pcre2 >=10.43,<10.44.0a0 , which can be installed;
│  │  │  │  │  └─ libgz-common5 [5.5.1|5.6.0] would require
│  │  │  │  │     └─ libglib [>=2.80.0,<3.0a0 |>=2.80.2,<3.0a0 ], which can be installed (as previously explained);
│  │  │  │  └─ libgz-sim8 8.0.0 haa24753_4, which requires
│  │  │  │     ├─ libgz-rendering8 >=8.0.0,<9.0a0  with the potential options
│  │  │  │     │  ├─ libgz-rendering8 8.0.0 would require
│  │  │  │     │  │  └─ libgz-common5 >=5.4.2,<6.0a0 , which can be installed (as previously explained);
│  │  │  │     │  └─ libgz-rendering8 [8.1.0|8.1.1] would require
│  │  │  │     │     └─ libgz-common5 [>=5.5.1,<6.0a0 |>=5.6.0,<6.0a0 ], which can be installed (as previously explained);
│  │  │  │     └─ tinyxml2 >=10.0.0,<11.0a0 , which conflicts with any installable versions previously reported;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 8.0.0 h6d2d967_0, which can be installed;
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0] would require
│  │  │  │  └─ python >=3.12,<3.13.0a0 , which can be installed;
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0] would require
│  │  │  │  └─ python >=3.8,<3.9.0a0 , which can be installed;
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0] would require
│  │  │     └─ python >=3.9,<3.10.0a0 , which can be installed;
│  │  └─ libgz-sim8 8.0.0 h69b2f4f_0, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which cannot be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.0.0 h2b00687_1, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which cannot be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.0.0 h2b00687_2, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which cannot be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.0.0 h6566d4f_3, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which cannot be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.0.0 haa24753_4, which cannot be installed (as previously explained);
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which cannot be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.0.0 ha430fe6_5, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.1.0 would require
│  │  ├─ gz-sim8-python >=8.1.0,<8.1.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.1.0 would require
│  │  │  │  └─ libgz-sim8 8.1.0 hf183b0b_1, which can be installed;
│  │  │  ├─ gz-sim8-python 8.1.0 would require
│  │  │  │  ├─ libgz-common5 >=5.5.0,<6.0a0 , which can be installed (as previously explained);
│  │  │  │  └─ libgz-sim8 8.1.0 h5f21e3b_0, which conflicts with any installable versions previously reported;
│  │  │  └─ gz-sim8-python 8.1.0 would require
│  │  │     └─ libgz-sim8 8.1.0 h166bd2e_2, which can be installed;
│  │  └─ libgz-sim8 8.1.0 h5f21e3b_0, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.1.0 would require
│  │  ├─ gz-sim8-python >=8.1.0,<8.1.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.1.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.1.0, which cannot be installed (as previously explained);
│  │  │  └─ gz-sim8-python 8.1.0, which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.1.0 hce50c1e_1, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.1.0 would require
│  │  ├─ gz-sim8-python >=8.1.0,<8.1.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.1.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.1.0, which cannot be installed (as previously explained);
│  │  │  └─ gz-sim8-python 8.1.0, which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.1.0 h5fd5377_2, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.2.0 would require
│  │  ├─ gz-sim8-python >=8.2.0,<8.2.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python 8.2.0 would require
│  │  │     └─ libgz-sim8 8.2.0 h166bd2e_0, which can be installed;
│  │  └─ libgz-sim8 8.2.0 h38a5098_0, which conflicts with any installable versions previously reported;
│  └─ gz-sim8 8.3.0 would require
│     ├─ gz-sim8-python >=8.3.0,<8.3.1.0a0  with the potential options
│     │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│     │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│     │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│     │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│     │  └─ gz-sim8-python 8.3.0 would require
│     │     └─ libgz-sim8 8.3.0 h166bd2e_0, which can be installed;
│     └─ libgz-sim8 8.3.0 h5fd5377_0, which conflicts with any installable versions previously reported;
├─ pin-1 is not installable because it requires
│  └─ python 3.11.* , which conflicts with any installable versions previously reported;
└─ swig 4.1.0  is not installable because there are no viable options
   ├─ swig 4.1.0 would require
   │  └─ pcre2 >=10.40,<10.41.0a0 , which conflicts with any installable versions previously reported;
   └─ swig 4.1.0 would require
      └─ pcre2 >=10.37,<10.38.0a0 , which conflicts with any installable versions previously reported.

@traversaro
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This is not the command I suggested to use. Can you try to create a new env as I suggested?

@16239014
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This is not the command I suggested to use. Can you try to create a new env as I suggested?

with new environment it installed all packages also gz-sim8

but I can't understand why this happens with these packges:

Downloading and Extracting Packages:
ogre-1.10.12.1       |Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x7f0c2bed89d0>: Failed to resolve 'conda.anaconda.org' ([Errno -3] Temporary failure in name resolution)")': /conda-forge/linux-64/vtk-base-9.2.6-qt_py312h1234567_219.conda                        |   0% 
python-3.12.2        | 30.8 MB   |                                       |   0% 
Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x7f0c2bebb490>: Failed to resolve 'conda.anaconda.org' ([Errno -3] Temporary failure in name resolution)")': /conda-forge/linux-64/gcc_impl_linux-64-12.3.0-h58ffeeb_13.condaMB   |                                       |   0% 
libstdcxx-devel_linu | 11.4 MB   |                                       |   0% 
Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x7f0c2be01f90>: Failed to resolve 'conda.anaconda.org' ([Errno -3] Temporary failure in name resolution)")': /conda-forge/linux-64/pillow-10.3.0-py312hdcec9eb_0.conda| 5.0 MB    |                                       |   0% 
libgz-rendering7-7.4 | 4.5 MB    |                                       |   0% 
libgz-rendering8-8.0 | 4.3 MB    |                                       |   0%Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x7f0c2bebbf90>: Failed to resolve 'conda.anaconda.org' ([Errno -3] Temporary failure in name resolution)")': /conda-forge/linux-64/ogre-1.10.12.1-hb5e08f3_1.conda

Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x7f0c2bebaed0>: Failed to resolve 'conda.anaconda.org' ([Errno -3] Temporary failure in name resolution)")': /conda-forge/linux-64/bullet-cpp-3.25-hfb8ada1_2.conda

@traversaro
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That seems a network problem. Did you tried again after some time?

@16239014
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yes i did it twice. But i will try it again with another network

@traversaro
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By the way, the problem described (and fixed) in conda-forge/zziplib-feedstock#11 may be related to the problem you were having in installing both gz-sim8 and gazebo in the same environment.

@16239014
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@traversaro i am unable to understand how its related to my issue?

@traversaro
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You had problems in installing gz-sim8 and gazebo packages in the same environment, and following the dependency path their dependency may ended up in requiring both a ne libzlib package and an older one, resulting in conflict. However, this is just a related problem, not something that solves all possilble problems you were having.

@16239014
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16239014 commented Jul 4, 2024

@traversaro ok, I get it, is there any other simulator then Gazebo that we can use for audio-video integration?

@traversaro
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@traversaro ok, I get it, is there any other simulator then Gazebo that we can use for audio-video integration?

It depends on your needs, I would say Gazebo is the only one that provides the same exact software interface you can find on the real iCub, but if you do not need that there is plenty of simulators people are using.

However, just to understand what is the problem of using gazebo or gz-sim8, i.e. without installing both in the same conda environment?

@16239014

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@traversaro
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I installed gazebo only but my supervoiser says also install gz-sim8.

If you really need to use both (but just to clarify "my supervisor told me so" is not really a motivation that explain a lot to me about your goals), you can create an environment different for each.

@traversaro
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To ran it, source robotology then run gazebo (image attach), because I am getting error in spyder yarp module not found so my research paused here. you have any suggestions about it?

If python can find yarp and works in the terminal, from the point of view of superbuild installation went fine, unfortunaly I never used spyder so I can't help on it.

@LoreMoretti
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I have tried to repeat the install of conda dependencies as well.

So after creating an empty conda env, I run sequentially the following commands to install the conda dependencies as documented in https://github.com/robotology/robotology-superbuild/blob/84f1b1d9207de0856b7f79d5c7795fdba224f2de/doc/conda-forge.md

conda install -c conda-forge ace asio assimp boost eigen freetype glew glfw glm graphviz gsl ipopt irrlicht libjpeg-turbo libmatio libode libxml2 nlohmann_json qhull "pcl>=1.11.1" "libopencv>=4.10.0" opencv portaudio qt-main sdl sdl2 sqlite tinyxml tinyxml2 spdlog lua soxr qhull cmake compilers make ninja pkg-config tomlplusplus libzlib "ffmpeg==6.*" onnxruntime-cpp

conda install -c conda-forge bash-completion freeglut libdc1394 libi2c libselinux-cos7-x86_64 xorg-libxau libxcb xorg-libxdamage xorg-libxext xorg-libxfixes xorg-libxxf86vm xorg-libxrandr mesa-libgl-cos7-x86_64 mesa-libgl-devel-cos7-x86_64 libxshmfence-cos7-x86_64 libxshmfence-devel-cos7-x86_64

conda install -c conda-forge python numpy swig pybind11 pyqt matplotlib h5py tornado u-msgpack-python pyzmq ipython gst-plugins-good gst-plugins-bad pyqtwebengine qtpy pyyaml

conda install -c conda-forge "pcl>=1.11.1" vtk

conda install -c conda-forge gz-sim8

But after the last command (to install gz-sim8), I get the following error:

Click to see the error 
(TestRobsubDep) lomoretti@IITICUBLAP226:~$ conda install -c conda-forge gz-sim8
Channels:
- conda-forge
Platform: linux-64
Collecting package metadata (repodata.json): done
Solving environment: / warning  libmamba Added empty dependency for problem type SOLVER_RULE_UPDATE
failed

LibMambaUnsatisfiableError: Encountered problems while solving:
- package libopencv-4.10.0-qt6_py312h131ea51_601 requires ffmpeg >=6.1.1,<7.0a0, but none of the providers can be installed

Could not solve for environment specs
The following packages are incompatible
├─ ffmpeg 6**  is installable with the potential options
│  ├─ ffmpeg [6.1.1|7.0.1] would require
│  │  └─ libxcb >=1.16,<1.17.0a0 , which can be installed;
│  ├─ ffmpeg [6.0.0|6.0.1|6.1.0], which can be installed;
│  ├─ ffmpeg 6.1.1 would require
│  │  └─ libopenvino-tensorflow-frontend >=2024.2.0,<2024.2.1.0a0 , which requires
│  │     └─ libabseil >=20240116.2,<20240117.0a0 , which can be installed;
│  ├─ ffmpeg 6.1.1, which can be installed;
│  └─ ffmpeg 6.1.1 would require
│     └─ libopenvino-tensorflow-frontend >=2024.1.0,<2024.1.1.0a0  with the potential options
│        ├─ libopenvino-tensorflow-frontend 2024.1.0 would require
│        │  └─ libabseil >=20240116.1,<20240117.0a0 , which can be installed;
│        └─ libopenvino-tensorflow-frontend [2024.1.0|2024.2.0], which can be installed (as previously explained);
├─ gst-plugins-bad is installable with the potential options
│  ├─ gst-plugins-bad [1.18.4|1.18.5] would require
│  │  └─ gst-plugins-base >=1.18.4,<1.19.0a0  with the potential options
│  │     ├─ gst-plugins-base 1.18.4, which can be installed;
│  │     ├─ gst-plugins-base 1.18.5, which can be installed;
│  │     └─ gst-plugins-base 1.18.5 would require
│  │        └─ libxcb >=1.13,<1.14.0a0 , which conflicts with any installable versions previously reported;
│  ├─ gst-plugins-bad [1.22.3|1.22.4|...|1.24.4] would require
│  │  └─ libxcb >=1.15,<1.16.0a0 , which conflicts with any installable versions previously reported;
│  ├─ gst-plugins-bad [1.18.5|1.20.0|...|1.22.0] would require
│  │  └─ libxcb >=1.13,<1.14.0a0 , which conflicts with any installable versions previously reported;
│  ├─ gst-plugins-bad 1.18.5 would require
│  │  └─ gst-plugins-base >=1.18.5,<1.19.0a0  with the potential options
│  │     ├─ gst-plugins-base 1.18.5, which can be installed;
│  │     └─ gst-plugins-base 1.18.5, which cannot be installed (as previously explained);
│  └─ gst-plugins-bad 1.24.4 would require
│     └─ gstreamer 1.24.4.* , which can be installed;
├─ gz-sim8 is not installable because there are no viable options
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0] would require
│  │  │  │  └─ python >=3.10,<3.11.0a0 , which can be installed;
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0] would require
│  │  │  │  └─ python >=3.11,<3.12.0a0 , which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  ├─ libgz-sim8 8.0.0 h6566d4f_3, which requires
│  │  │  │  │  ├─ libabseil >=20230802.1,<20230803.0a0 , which conflicts with any installable versions previously reported;
│  │  │  │  │  └─ libprotobuf >=4.24.4,<4.24.5.0a0 , which can be installed;
│  │  │  │  └─ libprotobuf >=4.24.4,<4.24.5.0a0 , which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  ├─ libgz-sim8 8.0.0 hbe7bb36_4, which can be installed;
│  │  │  │  └─ libprotobuf >=4.24.4,<4.24.5.0a0 , which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 8.0.0 h35ec043_5, which can be installed;
│  │  │  ├─ gz-sim8-python 8.0.0 would require
│  │  │  │  └─ libgz-sim8 8.0.0 ha4f1e9f_2, which can be installed;
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0] would require
│  │  │  │  └─ python >=3.8,<3.9.0a0 , which can be installed;
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0] would require
│  │  │     └─ python >=3.9,<3.10.0a0 , which can be installed;
│  │  └─ libgz-sim8 [8.0.0 h2b00687_1|8.0.0 h2b00687_2|8.0.0 h69b2f4f_0], which requires
│  │     └─ libabseil >=20230802.1,<20230803.0a0 , which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.0.0 would require
│  │  └─ libgz-sim8 8.0.0 h6566d4f_3, which cannot be installed (as previously explained);
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which cannot be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.0.0 haa24753_4, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.0.0 would require
│  │  ├─ gz-sim8-python >=8.0.0,<8.0.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which cannot be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.0.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.0.0 ha430fe6_5, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.1.0 would require
│  │  ├─ gz-sim8-python >=8.1.0,<8.1.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.1.0 would require
│  │  │  │  └─ libgz-sim8 8.1.0 h35ec043_0, which can be installed;
│  │  │  ├─ gz-sim8-python 8.1.0 would require
│  │  │  │  ├─ libgz-sim8 8.1.0 hce50c1e_1, which conflicts with any installable versions previously reported;
│  │  │  │  └─ libprotobuf >=4.25.2,<4.25.3.0a0 , which can be installed;
│  │  │  └─ gz-sim8-python 8.1.0 would require
│  │  │     └─ libgz-sim8 8.1.0 h81317a9_2, which can be installed;
│  │  └─ libgz-sim8 8.1.0 h5f21e3b_0, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.1.0 would require
│  │  ├─ gz-sim8-python >=8.1.0,<8.1.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.1.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.1.0, which cannot be installed (as previously explained);
│  │  │  └─ gz-sim8-python 8.1.0, which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.1.0 hce50c1e_1, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.1.0 would require
│  │  ├─ gz-sim8-python >=8.1.0,<8.1.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.1.0, which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python 8.1.0, which cannot be installed (as previously explained);
│  │  │  └─ gz-sim8-python 8.1.0, which can be installed (as previously explained);
│  │  └─ libgz-sim8 8.1.0 h5fd5377_2, which conflicts with any installable versions previously reported;
│  ├─ gz-sim8 8.2.0 would require
│  │  ├─ gz-sim8-python >=8.2.0,<8.2.1.0a0  with the potential options
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│  │  │  └─ gz-sim8-python 8.2.0 would require
│  │  │     └─ libgz-sim8 8.2.0 h81317a9_0, which can be installed;
│  │  └─ libgz-sim8 8.2.0 h38a5098_0, which conflicts with any installable versions previously reported;
│  └─ gz-sim8 8.3.0 would require
│     ├─ gz-sim8-python >=8.3.0,<8.3.1.0a0  with the potential options
│     │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│     │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│     │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│     │  ├─ gz-sim8-python [8.0.0|8.1.0|8.2.0|8.3.0], which can be installed (as previously explained);
│     │  └─ gz-sim8-python 8.3.0 would require
│     │     └─ libgz-sim8 8.3.0 h81317a9_0, which can be installed;
│     └─ libgz-sim8 8.3.0 h5fd5377_0, which conflicts with any installable versions previously reported;
├─ libopencv >=4.10.0  is installable with the potential options
│  ├─ libopencv 4.10.0 would require
│  │  ├─ ffmpeg >=6.1.1,<7.0a0  with the potential options
│  │  │  ├─ ffmpeg [6.1.1|7.0.1], which can be installed (as previously explained);
│  │  │  ├─ ffmpeg 6.1.1, which cannot be installed (as previously explained);
│  │  │  ├─ ffmpeg 6.1.1, which can be installed;
│  │  │  └─ ffmpeg 6.1.1, which can be installed (as previously explained);
│  │  └─ libprotobuf >=4.25.3,<4.25.4.0a0 , which conflicts with any installable versions previously reported;
│  └─ libopencv 4.10.0 would require
│     └─ ffmpeg >=7.0.1,<8.0a0  with the potential options
│        ├─ ffmpeg [6.1.1|7.0.1], which can be installed (as previously explained);
│        └─ ffmpeg 7.0.1 conflicts with any installable versions previously reported;
├─ pin-1 is not installable because it requires
│  └─ python 3.12.* , which conflicts with any installable versions previously reported;
└─ qt-main is not installable because there are no viable options
 ├─ qt-main 5.15.8 would require
 │  └─ libxcb >=1.15,<1.16.0a0 , which conflicts with any installable versions previously reported;
 ├─ qt-main [5.15.2|5.15.3|5.15.4|5.15.6|5.15.8] would require
 │  └─ libxcb >=1.13,<1.14.0a0 , which conflicts with any installable versions previously reported;
 └─ qt-main 5.15.8 would require
    ├─ gst-plugins-base >=1.24.5,<1.25.0a0 , which conflicts with any installable versions previously reported;
    └─ gstreamer >=1.24.5,<1.25.0a0 , which conflicts with any installable versions previously reported.

Pins seem to be involved in the conflict. Currently pinned specs:
- python 3.12.* (labeled as 'pin-1')

Instead, if I create an empty conda environment, and I install all conda dependencies in a single command as suggested in this comment, which is:

conda install -c conda-forge ace asio assimp boost eigen freetype glew glfw glm graphviz gsl ipopt irrlicht libjpeg-turbo libmatio libode libxml2 nlohmann_json qhull "pcl>=1.11.1" "libopencv>=4.10.0" opencv portaudio qt-main sdl sdl2 sqlite tinyxml tinyxml2 spdlog lua soxr qhull cmake compilers make ninja pkg-config tomlplusplus libzlib "ffmpeg==6.*" onnxruntime-cpp bash-completion freeglut libdc1394 libi2c libselinux-cos7-x86_64 xorg-libxau libxcb xorg-libxdamage xorg-libxext xorg-libxfixes xorg-libxxf86vm xorg-libxrandr mesa-libgl-cos7-x86_64 mesa-libgl-devel-cos7-x86_64 libxshmfence-cos7-x86_64 libxshmfence-devel-cos7-x86_64 python numpy swig pybind11 pyqt matplotlib h5py tornado u-msgpack-python pyzmq ipython gst-plugins-good gst-plugins-bad pyqtwebengine qtpy pyyaml "pcl>=1.11.1" vtk gz-sim8

it works fine ( I am just installing gz-sim8, not gazebo).

Therefore, does it make sense to document it in the installation guide? @traversaro

@traversaro
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Sure! Do you have any suggestion on the best way to do that?

@16239014
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16239014 commented Aug 1, 2024

@LoreMoretti can you please help me to understand what you say earlier
it works fine ( I am just installing gz-sim8, not gazebo)

  1. If you don't install a gazebo, how can you simulate it?
  2. what if I don't install gz-sim8 then what happens to simulation (effect of gz-sim8)?

@LoreMoretti
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Sure! Do you have any suggestion on the best way to do that?

What about something like:

> [!IMPORTANT]
> If it happens that conda cannot resolve the environment when sequentially installing the needed packages as reported later, please consider to install all the conda packages in a unique command.

placed just below the other IMPORTANT statements in the Source Installation section?

In case you like it, I can open a PR.

@LoreMoretti
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Hi @16239014

maybe this link can clarify a bit.

Basically, you can think of gz-sim as the new Gazebo, because the old one (or classic one), which we have been referring to as gazebo along this issue, is going to be dismissed.

This means that you can choose which one (modern or classic) to use for your simulations. Therefore, my suggestion is just use one.

@16239014
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16239014 commented Aug 1, 2024

[!IMPORTANT]
If it happens that conda cannot resolve the environment when sequentially installing the needed packages as reported later, please consider to install all the conda packages in a unique command.

Hi @LoreMoretti

I know when put all dependencies in a single command to new environment they will install but when you try to install it in pre-existed environment like the example you followed (robotology-superbuild) it will give an error.

so you suggest just installing either gazebo or gz-sim8 because both are the same?

@LoreMoretti
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so you suggest just installing either gazebo or gz-sim8 because both are the same?

Yes, I suggest to install either gazebo or gz-sim8.

But, note that they are note the same. Think at one as the newer version of the other.

@traversaro
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Sure! Do you have any suggestion on the best way to do that?

What about something like:

> [!IMPORTANT]
> If it happens that conda cannot resolve the environment when sequentially installing the needed packages as reported later, please consider to install all the conda packages in a unique command.

placed just below the other IMPORTANT statements in the Source Installation section?

In case you like it, I can open a PR.

Perfect, feel free to open the PR.

@S-Dafarra
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With @AriannaPietrasanta we had a similar issue with conda not solving the environment when installing gz-sim8. By installing all the packages with a single command, it went smooth.

@traversaro
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Thanks! We need to understand how to refactor the docs to suggest this, perhaps we should install gz-sim8 by default?

@traversaro
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A possible kind of alternative is just to suggest people to either use pixi shell and let interact with the locked environment, or document how to create the conda environment out of the pixi lock file (see https://pixi.sh/latest/reference/cli/#project-export-conda_environment), something like:

git clone https://github.com/robotology/robotology-superbuild
cd robotology-superbuild
pixi project export conda-environment robsub.yml
conda create --name robsub --file robsub.yml

We could even just store the locked environment automatically in the repo, so that we could document something like:

git clone https://github.com/robotology/robotology-superbuild
conda create --name robsub --file ./envs/robsub.linux-64.yml

That is the advantage that the locked dependencies in robsub.linux-64.yml would be exactly the one checked in CI, avoiding regressions due to update in the packages.

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@traversaro @S-Dafarra @16239014 @LoreMoretti