JBoss - Java heap retention in BasicThreadPool$TimeoutInfo

Solution Verified - Updated -

Issue

  • "java.lang.OutOfMemoryError: Java heap space" errors are received  because the heap is consumed by org.jboss.util.threadpool.BasicThreadPool$TimeoutInfo

  • This BasicThreadPool$TimeoutInfo is stored in a single instance of EDU.oswego.cs.dl.util.concurrent.Heap called tasksWithTimeouts by the TimeoutMonitor thread (another subclass of BasicThreadPool).

Environment

  • JBoss Enterprise Application Platform

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