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While testing this project, which I found here, I think I found a bug somehow related to Hibernate. I downloaded a Spring Boot demo from Spring Initializr, modified it a bit, incorporated code from that project and I got the following stack trace when trying to access some members from user.getManager():
org.hibernate.LazyInitializationException: could not initialize proxy - no Session
at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:155)
at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:268)
at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:73)
at com.example.demo.User_$$_jvstdbc_0.getAddress(User_$$_jvstdbc_0.java)
at com.example.demo.DemoApplicationTests.testSerialize(DemoApplicationTests.java:52)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.springframework.test.context.junit4.statements.RunBeforeTestExecutionCallbacks.evaluate(RunBeforeTestExecutionCallbacks.java:73)
at org.springframework.test.context.junit4.statements.RunAfterTestExecutionCallbacks.evaluate(RunAfterTestExecutionCallbacks.java:83)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:251)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
The most important changes from that project to mine is the introduction of Spring Boot and newer dependencies versions. To reproduce, download the project from here, build with Maven and run the tests from src/test/java/com/example/demo/DemoApplicationTests.java. This exception is not thrown in the project I mentioned (when changing from user.getManager().getId() to user.getManager().getAddress()).
I'm not sure if it's a bug or if I'm doing something wrong/that wasn't supposed to be possible, because this is not the problem I'm trying to solve, but I thought I should post it anyway, since I've seen a recent need of easily reproducible use cases. I'm also not sure if this is the place to post this. If it isn't, please tell me where.
The text was updated successfully, but these errors were encountered:
I know It is 3 years late. But I encountered a similar exception. I expected Hibernate5Module will ignore the property if the property is lazy and not loaded yet. Is this correct? I can't get this behavior. I created a very minimal project with no other dependencies for demonstration purposes. It seems related to the hibernate-enhance-maven-plugin. If I disable hibernate-enhance-maven-plugin it simply serializes as null.
Hi everyone.
While testing this project, which I found here, I think I found a bug somehow related to Hibernate. I downloaded a Spring Boot demo from Spring Initializr, modified it a bit, incorporated code from that project and I got the following stack trace when trying to access some members from
user.getManager()
:The most important changes from that project to mine is the introduction of Spring Boot and newer dependencies versions. To reproduce, download the project from here, build with Maven and run the tests from
src/test/java/com/example/demo/DemoApplicationTests.java
. This exception is not thrown in the project I mentioned (when changing fromuser.getManager().getId()
touser.getManager().getAddress()
).I'm not sure if it's a bug or if I'm doing something wrong/that wasn't supposed to be possible, because this is not the problem I'm trying to solve, but I thought I should post it anyway, since I've seen a recent need of easily reproducible use cases. I'm also not sure if this is the place to post this. If it isn't, please tell me where.
The text was updated successfully, but these errors were encountered: