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  1. OpenJPA
  2. OPENJPA-2257

Concurreny in org.apache.openjpa.persistence.EntityManagerImpl.getProperties leads to NullPointer and ConcurrentModificationException

    Details

      Description

      A call of EntityManager.getProperties() can lead to NullPointer and ConcurrentModificationException. Issue occurs right after start up of the overlying JEE application if multiple EntityManager instance are created at same time.

      Please find the issued stack trace below:

      Caused by: java.lang.NullPointerException
      at java.lang.String.compareTo(String.java:482)
      at java.lang.String.compareTo(String.java:31)
      at java.util.TreeMap.cmp(TreeMap.java:4514)
      at java.util.TreeMap.putImpl(TreeMap.java:4556)
      at java.util.TreeMap.put(TreeMap.java:4536)
      at java.util.TreeSet.add(TreeSet.java:122)
      at
      org.apache.openjpa.lib.conf.ConfigurationImpl.getPropertyKeys(ConfigurationImpl.java:708)
      at
      org.apache.openjpa.kernel.BrokerImpl.getSupportedProperties(BrokerImpl.java:729)
      at
      org.apache.openjpa.kernel.DelegatingBroker.getSupportedProperties(DelegatingBroker.java:223)
      at
      org.apache.openjpa.persistence.EntityManagerImpl.getProperties(EntityManagerImpl.java:1624)
      ... 33 more

        Attachments

        1. OpenJPABugTest.zip
          7.74 MB
          Stephan Hagedorn
        2. OPENJPA-2257.patch
          4 kB
          Albert Lee

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            People

            • Assignee:
              allee8285 Albert Lee
              Reporter:
              stephan82 Stephan Hagedorn
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              Dates

              • Created:
                Updated:
                Resolved: