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Posted to dev@openjpa.apache.org by "Albert Lee (JIRA)" <ji...@apache.org> on 2012/09/06 16:52:08 UTC
[jira] [Updated] (OPENJPA-2257) Concurreny in
org.apache.openjpa.persistence.EntityManagerImpl.getProperties leads to
NullPointer and ConcurrentModificationException
[ https://issues.apache.org/jira/browse/OPENJPA-2257?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Albert Lee updated OPENJPA-2257:
--------------------------------
Attachment: OPENJPA-2257.patch
> 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: 2.3.0
>
> 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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