EAP 7 becomes slow with many weld-preloader threads

Solution Unverified - Updated -

Issue

  • JBoss is becoming slow and in thread dumps we see many weld-preloader threads that have no stack:
"weld-preloader-5" #4512 daemon prio=5 os_prio=0 tid=0x00007f1eec3af800 nid=0x242bd runnable [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
   Locked ownable synchronizers:
    - None

Environment

  • JBoss Enterprise Application Platform (EAP) 7.x

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