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    Re: What is the REASON for the exception: could not enlist in transaction
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    created by <a href="https://community.jboss.org/people/rpraveenkumar">rpraveenkumar</a> in <i>IronJacamar</i> - <a href="https://community.jboss.org/message/780615#780615">View the full discussion</a>
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<div class="jive-rendered-content"><p>For your reference my stack trace is </p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>am wondering how this could not enlist will come even if i use only one &lt;local-tx-datasource&gt;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>i think the exception occurs when trying to get connection from connection pool [based on following exception info]</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>org.jboss.util.NestedSQLException: Could not enlist in transaction on entering meta-aware object!javax.transaction.SystemException: enlistResource failed; - nested throwable: (javax.resource.ResourceException: Could not enlist in transaction on entering meta-aware object!javax.transaction.SystemException: enlistResource failed)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: No operations allowed after connection closed.Connection was implicitly closed due to underlying exception/error:</p><p>** BEGIN NESTED EXCEPTION ** </p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>com.mysql.jdbc.CommunicationsException</p><p>MESSAGE: Communications link failure due to underlying exception: </p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>** BEGIN NESTED EXCEPTION ** </p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>java.net.SocketException</p><p>MESSAGE: Software caused connection abort: socket write error</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>STACKTRACE:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>java.net.SocketException: Software caused connection abort: socket write error</p><p>&#160;&#160;&#160; at java.net.SocketOutputStream.socketWrite0(Native Method)</p><p>&#160;&#160;&#160; at java.net.SocketOutputStream.socketWrite(Unknown Source)</p><p>&#160;&#160;&#160; at java.net.SocketOutputStream.write(Unknown Source)</p><p>&#160;&#160;&#160; at java.io.BufferedOutputStream.flushBuffer(Unknown Source)</p><p>&#160;&#160;&#160; at java.io.BufferedOutputStream.flush(Unknown Source)</p><p>&#160;&#160;&#160; at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2631)</p><p>&#160;&#160;&#160; at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1548)</p><p>&#160;&#160;&#160; at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1659)</p><p>&#160;&#160;&#160; at com.mysql.jdbc.Connection.execSQL(Connection.java:3112)</p><p>&#160;&#160;&#160; at com.mysql.jdbc.Connection.setAutoCommit(Connection.java:5209)</p><p>&#160;&#160;&#160; at org.jboss.resource.adapter.jdbc.local.LocalManagedConnection.begin(LocalManagedConnection.java:135)</p><p>&#160;&#160;&#160; at org.jboss.resource.connectionmanager.TxConnectionManager$LocalXAResource.start(TxConnectionManager.java:650)</p><p>&#160;&#160;&#160; at org.jboss.tm.TransactionImpl.startResource(TransactionImpl.java:1196)</p><p>&#160;&#160;&#160; at org.jboss.tm.TransactionImpl.enlistResource(TransactionImpl.java:649)</p><p>&#160;&#160;&#160; at org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener.enlist(TxConnectionManager.java:437)</p><p>&#160;&#160;&#160; at org.jboss.resource.connectionmanager.TxConnectionManager.managedConnectionReconnected(TxConnectionManager.java:323)</p><p>&#160;&#160;&#160; at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:502)</p><p>&#160;&#160;&#160;&#160; .</p><p>&#160;&#160;&#160;&#160; .</p><p>&#160;&#160;&#160;&#160; .</p></div>

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