High CPU in concurrent access to the JSSESupport keySizeCache map

Solution Verified - Updated -

Issue

  • JBoss is consuming high CPU. Thread dumps and CPU data shows high CPU in web request threads that are accessing the keySizeCache WeakHashMap in JSSESupport.getKeySize().

Environment

  • JBoss Enterprise Application Platform (EAP)
    • 6.2 CP01
    • 6.2 CP02
    • 6.2 CP03

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