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webMethods Knowlegebase : Memory leak suspects in Apache Shiro HTTP session manager (1779851)

Troubleshooting


Problem

After changing the configuration to SSL, JVM heap for Integration Server (IS) is gradually increased and Out Of Memory is about to happen.

"Leak Suspects" from heapdump analysis by MAT is as follows.

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One instance of "org.apache.shiro.session.mgt.DefaultSessionManager" loaded by "org.apache.shiro.core" occupies 45,360,960 (16.97%) bytes. The memory is accumulated in one instance of "java.util.concurrent.ConcurrentHashMap$Node[]" loaded by "<system class loader>".

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Document Location

Worldwide

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Document Information

Modified date:
20 March 2025

UID

ibm17224617