Threads looping in WeakHashMap.get called from com.sun.facelets.tag.MetaRulesetImpl.getMetadataTarget on JBoss

Environment

• JBoss Enterprise Application Platform (EAP)

Issue

• Many threads got stuck in JSF and consumed high CPU at the following location:

    at java.util.WeakHashMap.get(WeakHashMap.java:355)
    at com.sun.facelets.tag.MetaRulesetImpl.getMetadataTarget(MetaRulesetImpl.java:101)
    at com.sun.facelets.tag.MetaRulesetImpl.finish(MetaRulesetImpl.java:123)
    at com.sun.facelets.tag.MetaTagHandler.setAttributes(MetaTagHandler.java:60)

Resolution

• Use the This content is not included.one-off patch

Root Cause

• Content from java.net is not included.JAVASERVERFACES-1602

Diagnostic Steps

• Troubleshoot with CPU data and other diagnostic steps as described in Java application high CPU

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