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Spring Integration 3.0 to 4.0 Migration Guide
Core classes/interfaces from Spring Integration have been moved to Spring Framework 4.0.
Users with direct references to the following classes, in order to migrate to Spring Integration 4.0 will need to change import
statements to reflect these changes.
Users who do not reference framework classes from their own (POJO) code, and use the integration namespace to configure their components will need no changes.
The following classes have been moved
from org.springframework.integration
to org.springframework.messaging
:
Message
MessageChannel
MessageHandler
MessageHeaders
PollableChannel
SubscribableChannel
MessagingException
MessageHandlingException
MessageDeliveryException
from org.springframework.integration.core
to org.springframework.messaging
:
MessageHandler
MessagePostProcessor
from org.springframework.integration.channel.interceptor
to org.springframework.messaging.support
:
ChannelInterceptorAdapter
from org.springframework.integration.message
to org.springframework.messaging.support
:
ErrorMessage
GenericMessage
##Spring Integration Global Properties
Spring Integration starting with version 3.0 introduced global options, which can be changed using META-INF/integration.properties
file or integrationGlobalProperties
bean. Since version 4.0 those properties have been enriched with spring.integraton.
prefix. Here is a list of all supported global options with their default values:
spring.integraton.channels.autoCreate=true
spring.integraton.channels.maxUnicastSubscribers=0x7fffffff
spring.integraton.channels.maxBroadcastSubscribers=0x7fffffff
spring.integraton.taskScheduler.poolSize=10
spring.integraton.messagingTemplate.throwExceptionOnLateReply=false
The backward compatibility for object-mapper
option of the <object-to-json-transformer/>
and <json-to-object-transformer/>
components has beed removed. Now they support only reference to the org.springframework.integration.support.json.JsonObjectMapper
impementation.