Martin Centner created JCR-3425:
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Summary: XAAwareRWLock implementation fails with
IllegalStateException on JBoss AS7
Key: JCR-3425
URL: https://issues.apache.org/jira/browse/JCR-3425
Project: Jackrabbit Content Repository
Issue Type: Bug
Components: jackrabbit-jca
Affects Versions: 2.4.3
Environment: JBoss AS7 7.1.1.Final
Reporter: Martin Centner
The class XAAwareRWLock uses a HashMap readers_. The static function
TransactionContext.getCurrentThreadId() is used to obtain an object currentId
used as key in for the HashMap. When running under a transaction the currentId
is set to Xid.getGlobalTransactionId which returns a byte[].
However, the class
org.jboss.jca.core.spi.transaction.xa.XidWrapper.getGlobalTransactionId()
returns globalTransactionId.clone() - it returns a new instance of byte[] on
every invocation and the hashCode of the byte[] changes. Therefore,
readers_.get(currentId) returns null for the second invocation in the same
transaction and the result ist an IllegalStateTransaction:
java.lang.IllegalStateException
at
org.apache.jackrabbit.core.version.VersioningLock$XAAwareRWLock.endRead(VersioningLock.java:167)
[jackrabbit-core-2.4.3.jar:2.4.3]
...
I suggest using a wrapper for the globalTransactionId byte[] that computes the
hashCode on the contents of the byte instead of the object identity.
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