Spring Integration 6.1 to 6.2 Migration Guide

• Remove unused ThreadLocal from RedisStoreMessageSource
• Mail module is upgraded to org.eclipse.angus:jakarta.mail-2.0.2

Remove unused ThreadLocal from RedisStoreMessageSource

The ThreadLocal<RedisStore> resourceHolder variable in the RedisStoreMessageSource is out of use for a while in favor of IntegrationResourceHolder and its store attribute. Public methods getResource(), afterCommit(Object object), and afterRollback(Object object) were removed altogether since they haven't done any logic since functionality was migrated to IntegrationResourceHolder. See Redis Store Inbound Channel Adapter documentation for more information.

Mail module is upgraded to org.eclipse.angus:jakarta.mail-2.0.2

The IMAP functionality in Spring Integration has moved to the latest Java Mail implementation with Eclipse Angus. So, the com.sun.mail.imap package has been replaced with org.eclipse.angus.mail.imap.