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

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content