Java java.lang.OutOfMemoryError "unable to create new native thread" or "Failed to create a thread"

Solution Verified - Updated -


  • Encountered the following exception in the JBoss server log using OpenJDK or Oracle JDK:

        java.lang.OutOfMemoryError: unable to create new native thread
          at java.lang.Thread.start0(Native Method)
          at java.lang.Thread.start(
  • The IBM javacore file shows the following:

        1TISIGINFO     Dump Event "systhrow" (00040000) Detail "java/lang/OutOfMemoryError" "Failed to create a thread: retVal -1073741830, errno 11" received
  • The Oracle crash file reports the following:

    # There is insufficient memory for the Java Runtime Environment to continue.
    # Cannot create GC thread. Out of system resources.
  • ActiveMQ on broker throw java OOM error

  • The following in the OpenJDK or Oracle/Sun JDK fatal error log:

    #  Out of Memory Error (gcTaskThread.cpp:46), pid=5490, tid=139954866263808


  • OpenJDK
  • Oracle JDK

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