Hi,
Does anyone know why i have this problem: Broken pipe , No more data to read from 
socket and Connection handle has been closed and is unusable

2004-05-15 19:32:56,742 INFO  
[org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener] 
Unregistered handle that was not registered! null for managedConnection: [EMAIL 
PROTECTED]
2004-05-15 19:32:56,743 INFO  
[org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener] 
Unregistered handle that was not registered! null for managedConnection: [EMAIL 
PROTECTED]
2004-05-15 19:32:56,743 INFO  
[org.jboss.resource.connectionmanager.JBossManagedConnectionPool] Exception destroying 
ManagedConnection
org.jboss.resource.JBossResourceException: SQLException; - nested throwable: 
(java.sql.SQLException: Io exception: Broken pipe)
        at 
org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.checkException(BaseWrapperManagedConnection.java:445)
        at 
org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.destroy(BaseWrapperManagedConnection.java:229)
        at 
org.jboss.resource.connectionmanager.InternalManagedConnectionPool.doDestroy(InternalManagedConnectionPool.java:374)
        at 
org.jboss.resource.connectionmanager.InternalManagedConnectionPool.returnConnection(InternalManagedConnectionPool.java:250)
        at 
org.jboss.resource.connectionmanager.JBossManagedConnectionPool$OnePool.returnConnection(JBossManagedConnectionPool.java:648)
        at 
org.jboss.resource.connectionmanager.BaseConnectionManager2.returnManagedConnection(BaseConnectionManager2.java:451)
        at 
org.jboss.resource.connectionmanager.BaseConnectionManager2$BaseConnectionEventListener.connectionErrorOccurred(BaseConnectionManager2.java:762)
        at 
org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener.connectionErrorOccurred(TxConnectionManager.java:629)
        at 
org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.broadcastConnectionError(BaseWrapperManagedConnection.java:309)
        at 
org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.connectionError(BaseWrapperManagedConnection.java:294)
        at 
org.jboss.resource.adapter.jdbc.WrappedConnection.checkException(WrappedConnection.java:819)
        at 
org.jboss.resource.adapter.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:225)
        at 
sqlj.runtime.profile.ref.JDBCProfile.prepareCachedStatement(JDBCProfile.java:334)
        at 
sqlj.runtime.profile.ref.JDBCProfile.getCachedStatement(JDBCProfile.java:192)


2004-05-15 17:38:39,641 INFO  
[org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener] 
Unregistered handle that was not registered! null for managedConnection: [EMAIL 
PROTECTED]
2004-05-15 17:38:39,641 WARN  
[org.jboss.resource.connectionmanager.JBossManagedConnectionPool] ResourceException 
cleaning up ManagedConnection:org.jboss.resource.JBossResourceException: Could not 
cleanup: ; - nested throwable: (java.sql.SQLException: Io exception: Broken pipe)
2004-05-15 17:38:39,642 INFO  
[org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener] 
Unregistered handle that was not registered! null for managedConnection: [EMAIL 
PROTECTED]
2004-05-15 17:38:39,642 INFO  
[org.jboss.resource.connectionmanager.JBossManagedConnectionPool] Exception destroying 
ManagedConnection
org.jboss.resource.JBossResourceException: SQLException; - nested throwable: 
(java.sql.SQLException: Io exception: Broken pipe)
        at 
org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.checkException(BaseWrapperManagedConnection.java:445)
        at 
org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.destroy(BaseWrapperManagedConnection.java:229)
        at 
org.jboss.resource.connectionmanager.InternalManagedConnectionPool.doDestroy(InternalManagedConnectionPool.java:374)
        at 
org.jboss.resource.connectionmanager.InternalManagedConnectionPool.returnConnection(InternalManagedConnectionPool.java:250)
        at 
org.jboss.resource.connectionmanager.JBossManagedConnectionPool$OnePool.returnConnection(JBossManagedConnectionPool.java:648)



2004-05-15 19:32:56,747 ERROR [STDERR] java.sql.SQLException: No more data to read 
from socket
2004-05-15 19:32:56,747 ERROR [STDERR]  at 
oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:180)
2004-05-15 19:32:56,747 ERROR [STDERR]  at 
oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:222)
2004-05-15 19:32:56,747 ERROR [STDERR]  at 
oracle.jdbc.dbaccess.DBError.check_error(DBError.java:944)
2004-05-15 19:32:56,748 ERROR [STDERR]  at 
oracle.jdbc.ttc7.MAREngine.unmarshalUB1(MAREngine.java:741)
2004-05-15 19:32:56,748 ERROR [STDERR]  at 
oracle.jdbc.ttc7.MAREngine.unmarshalSB1(MAREngine.java:700)
2004-05-15 19:32:56,748 ERROR [STDERR]  at 
oracle.jdbc.ttc7.Oopen.receive(Oopen.java:103)
2004-05-15 19:32:56,748 ERROR [STDERR]  at 
oracle.jdbc.ttc7.TTC7Protocol.open(TTC7Protocol.java:472)
2004-05-15 19:32:56,748 ERROR [STDERR]  at 
oracle.jdbc.driver.OracleStatement.(OracleStatement.java:499)
2004-05-15 19:32:56,748 ERROR [STDERR]  at 
oracle.jdbc.driver.OracleStatement.(OracleStatement.java:518)
2004-05-15 19:32:56,748 ERROR [STDERR]  at 
oracle.jdbc.driver.OraclePreparedStatement.(OraclePreparedStatement.java:210)
2004-05-15 19:32:56,748 ERROR [STDERR]  at 
oracle.jdbc.driver.OraclePreparedStatement.(OraclePreparedStatement.java:193)


As i know, it is because of the connection is closed but why is it the connection 
close? 

Pls Help. Thanks in advance

yuki


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