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From Claus Köll (JIRA) <j...@apache.org>
Subject [jira] [Commented] (JCR-3682) If we get a unexpected exception from the jdbc driver it's possible create a unreleased VersioningLock
Date Thu, 17 Oct 2013 06:26:43 GMT

    [ https://issues.apache.org/jira/browse/JCR-3682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13797654#comment-13797654
] 

Claus Köll commented on JCR-3682:
---------------------------------

Committed to 2.6.x branch in revision 1532976.

> If we get a unexpected exception from the jdbc driver it's possible create a unreleased
VersioningLock
> ------------------------------------------------------------------------------------------------------
>
>                 Key: JCR-3682
>                 URL: https://issues.apache.org/jira/browse/JCR-3682
>             Project: Jackrabbit Content Repository
>          Issue Type: Bug
>          Components: jackrabbit-core, transactions
>    Affects Versions: 2.6.4, 2.7.1
>            Reporter: Claus Köll
>            Assignee: Claus Köll
>             Fix For: 2.6.5, 2.7.2
>
>         Attachments: JCR-3682.patch
>
>
> If we get a unexpected exception from the jdbc driver the VersioningLock from the versionMgr.getXAResourceEnd()
XAResource will never be released so the repository is locked forever. We should catch every
Exception in BundleDbPersistenceManager.readBundle() to prevent that situation.
> Following Stacktrace shows the problem ...
> Caused by: java.lang.ArrayIndexOutOfBoundsException
> 	at oracle.jdbc.driver.T4CSocketInputStreamWrapper.readLongMSB(T4CSocketInputStreamWrapper.java:201)
> 	at oracle.jdbc.driver.T4CMAREngine.buffer2Value(T4CMAREngine.java:2374)
> 	at oracle.jdbc.driver.T4CMAREngine.unmarshalUB4(T4CMAREngine.java:1310)
> 	at oracle.jdbc.driver.T4CTTIoer.unmarshal(T4CTTIoer.java:257)
> 	at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:447)
> 	at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:192)
> 	at oracle.jdbc.driver.T4C8TTILob.read(T4C8TTILob.java:146)
> 	at oracle.jdbc.driver.T4CConnection.getBytes(T4CConnection.java:2392)
> 	at oracle.sql.BLOB.getBytes(BLOB.java:348)
> 	at oracle.jdbc.driver.OracleBlobInputStream.needBytes(OracleBlobInputStream.java:181)
> 	at oracle.jdbc.driver.OracleBufferedStream.readInternal(OracleBufferedStream.java:174)
> 	at oracle.jdbc.driver.OracleBufferedStream.read(OracleBufferedStream.java:143)
> 	at org.apache.commons.io.input.ProxyInputStream.read(ProxyInputStream.java:75)
> 	at org.apache.commons.io.input.CountingInputStream.read(CountingInputStream.java:74)
> 	at java.io.DataInputStream.readFully(DataInputStream.java:189)
> 	at java.io.DataInputStream.readFully(DataInputStream.java:163)
> 	at org.apache.jackrabbit.core.persistence.util.BundleReader.readBytes(BundleReader.java:669)
> 	at org.apache.jackrabbit.core.persistence.util.BundleReader.readName(BundleReader.java:520)
> 	at org.apache.jackrabbit.core.persistence.util.BundleReader.readQName(BundleReader.java:469)
> 	at org.apache.jackrabbit.core.persistence.util.BundleReader.readBundleNew(BundleReader.java:194)
> 	at org.apache.jackrabbit.core.persistence.util.BundleReader.readBundle(BundleReader.java:145)
> 	at org.apache.jackrabbit.core.persistence.util.BundleBinding.readBundle(BundleBinding.java:152)
> 	at org.apache.jackrabbit.core.persistence.pool.BundleDbPersistenceManager.readBundle(BundleDbPersistenceManager.java:927)
> 	at org.apache.jackrabbit.core.persistence.pool.BundleDbPersistenceManager.loadBundle(BundleDbPersistenceManager.java:889)
> 	at org.apache.jackrabbit.core.persistence.bundle.AbstractBundlePersistenceManager.getBundleCacheMiss(AbstractBundlePersistenceManager.java:766)
> 	at org.apache.jackrabbit.core.persistence.bundle.AbstractBundlePersistenceManager.getBundle(AbstractBundlePersistenceManager.java:749)
> 	at org.apache.jackrabbit.core.persistence.bundle.AbstractBundlePersistenceManager.storeInternal(AbstractBundlePersistenceManager.java:633)
> 	at org.apache.jackrabbit.core.persistence.bundle.AbstractBundlePersistenceManager.store(AbstractBundlePersistenceManager.java:590)
> 	at org.apache.jackrabbit.core.persistence.pool.BundleDbPersistenceManager.store(BundleDbPersistenceManager.java:482)
> 	at org.apache.jackrabbit.core.state.SharedItemStateManager$Update.end(SharedItemStateManager.java:788)
> 	at org.apache.jackrabbit.core.state.XAItemStateManager.commit(XAItemStateManager.java:181)
> 	at org.apache.jackrabbit.core.TransactionContext.commit(TransactionContext.java:195)
> 	at org.apache.jackrabbit.core.XASessionImpl.commit(XASessionImpl.java:326)
> 	at org.apache.jackrabbit.jca.TransactionBoundXAResource.commit(TransactionBoundXAResource.java:49)
> 	at com.ibm.ejs.j2c.XATransactionWrapper.commit(XATransactionWrapper.java:490)



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