OpenJPA
  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

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

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          People

          • Assignee:
            Albert Lee
            Reporter:
            Stephan Hagedorn
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            Dates

            • Created:
              Updated:
              Resolved:

              Development