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From "Balazs Zsoldos (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DBCP-356) ManagedDataSource doesn't work with an active transaction in progress on IBM JDK 6+
Date Thu, 12 Apr 2012 11:31:22 GMT

     [ https://issues.apache.org/jira/browse/DBCP-356?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Balazs Zsoldos updated DBCP-356:
--------------------------------

    Attachment: TransactionRegistry.java.patch
                TransactionRegistry.java.patch

I experienced this problem on JDK 1.6_30. I managed to solve it by applying the patch (not
hacking equals or any other function just being sure that the same object is used during getting
the XAResource from the weakhashmap)
                
> ManagedDataSource doesn't work with an active transaction in progress on IBM JDK 6+
> -----------------------------------------------------------------------------------
>
>                 Key: DBCP-356
>                 URL: https://issues.apache.org/jira/browse/DBCP-356
>             Project: Commons Dbcp
>          Issue Type: Bug
>    Affects Versions: 1.3, 1.4
>         Environment: IBM JDK 6
> java version "1.6.0"
> Java(TM) SE Runtime Environment (build pwa6460sr9fp1-20110208_03(SR9 FP1))
> IBM J9 VM (build 2.4, JRE 1.6.0 IBM J9 2.4 Windows 7 amd64-64 jvmwa6460sr9-20110203_74623
(JIT enabled, AOT enabled)
> J9VM - 20110203_074623
> JIT  - r9_20101028_17488ifx3
> GC   - 20101027_AA)
> JCL  - 20110203_01
> commons-dbcp of version 1.3 / 1.4
>            Reporter: an envy guest
>              Labels: ibm, xaresource
>             Fix For: 1.3.1, 1.4.1
>
>         Attachments: TransactionRegistry.java.patch, TransactionRegistry.java.patch
>
>
> When using IBM JDK 6+ and trying to build commons-dbcp, these tests fail:
> org.apache.commons.dbcp.managed.TestBasicManagedDataSource
> org.apache.commons.dbcp.managed.TestManagedDataSourceInTx
> with error:
> java.sql.SQLException: Connection does not have a registered XAResource null, UserName=null,
null
> 	at org.apache.commons.dbcp.managed.TransactionRegistry.getXAResource(TransactionRegistry.java:81)
> 	at org.apache.commons.dbcp.managed.TransactionContext.setSharedConnection(TransactionContext.java:88)
> 	at org.apache.commons.dbcp.managed.ManagedConnection.updateTransactionStatus(ManagedConnection.java:131)
> 	at org.apache.commons.dbcp.managed.ManagedConnection.<init>(ManagedConnection.java:55)
> 	at org.apache.commons.dbcp.managed.ManagedDataSource.getConnection(ManagedDataSource.java:76)
> 	at org.apache.commons.dbcp.managed.TestManagedDataSource.getConnection(TestManagedDataSource.java:53)
> 	at org.apache.commons.dbcp.TestConnectionPool.newConnection(TestConnectionPool.java:81)
> 	at org.apache.commons.dbcp.managed.TestManagedDataSourceInTx.testMaxActive(TestManagedDataSourceInTx.java:102)
> When used in conjunction with OpenEJB 3.1.4 examples, the error is the same.
> The problem disappears when switched to Oracle JDK 1.6.24 (so, all tests are passed and
OpenEJB examples are working).
> I beleive this has something to do with differences in java.lang.ref.WeakReference implementations
between IBM and Oracle JDKs, which was already discussed here:
> http://www.mail-archive.com/dev@commons.apache.org/msg13107.html

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