After exhaustive investigation we realized that when a WAR uses a shared library in Weblogic, EJBs and many other object instances are not being garbage-collected, even after the undeployment and deletion of the war.
weblogic.xml:
{code} <library-ref>
\{\{
<library-name>SSPCommonLibsWar</library-name>
</library-ref> {code}
}}
inside common libs war :
\{\{
{code} hibernate-core-5.2.11.Final.jar
{code } }
We are absolutely sure that no other library inside SSPCommonLibsWar causes this because we exclude them one-by-one.
Only when hibernate-core-5.2.11.Final.jar existed inside SSPCommonLibsWar the memory leak happens. |
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