OpenJPA
  1. OpenJPA
  2. OPENJPA-1898

TestQueryMultiThreaded fails with OOME "unable to create new native thread"

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 2.0.1
    • Fix Version/s: 2.1.0, 2.2.0
    • Component/s: None
    • Labels:
      None

      Description

      here comes the stacktrace:
      <error message="unable to create new native thread" type="java.lang.OutOfMemoryError">java.lang.OutOfMemoryError: unable to create new native thread
      at java.lang.Thread.start0(Native Method)
      at java.lang.Thread.start(Thread.java:597)
      at org.apache.openjpa.slice.TestQueryMultiThreaded.testHeavyLoad(TestQueryMultiThreaded.java:236)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:597)
      at junit.framework.TestCase.runTest(TestCase.java:154)

      reducing the thread count to 800 should help to prevent this problem. This might be caused to the 1024 processes ulimit on most linux installations.

      1. OPENJPA-1898.patch
        0.7 kB
        Mark Struberg

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          People

          • Assignee:
            Michael Dick
            Reporter:
            Mark Struberg
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            Dates

            • Created:
              Updated:
              Resolved:

              Development