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From "Albert Lee (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OPENJPA-2257) Concurreny in org.apache.openjpa.persistence.EntityManagerImpl.getProperties leads to NullPointer and ConcurrentModificationException
Date Tue, 09 Apr 2013 21:40:15 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-2257?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Albert Lee updated OPENJPA-2257:
--------------------------------

    Fix Version/s: 2.2.1.1
                   2.2.2
                   2.1.2
    
> Concurreny in org.apache.openjpa.persistence.EntityManagerImpl.getProperties leads to
NullPointer and ConcurrentModificationException
> -------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: OPENJPA-2257
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2257
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jpa
>    Affects Versions: 2.1.2
>         Environment: AIX 6.1 (64-bit)
> WebSphere Application Server V8.0 (32-bit) 
>            Reporter: Stephan Hagedorn
>            Assignee: Albert Lee
>              Labels: concurrency, concurrentmodificationexception, nullpointerexception
>             Fix For: 2.1.2, 2.3.0, 2.2.2, 2.2.1.1
>
>         Attachments: OPENJPA-2257.patch, OpenJPABugTest.zip
>
>
> 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

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