[jboss-user] [Persistence, JBoss/CMP, Hibernate, Database] - Jboss SQL Error

[new_to_jboss_4]

2008-03-07 17:13:37,265 WARN  [org.jboss.resource.connectionmanager.JBossManagedConnectionPool] Exception destroying Man
agedConnection org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener at 7beded[state=DESTROYED
 mc=org.jboss.resource.adapter.jdbc.local.LocalManagedConnection at 4163e1 handles=0 lastUse=1204936637404 permit=false tra
ckByTx=false mcp=org.jboss.resource.connectionmanager.JBossManagedConnectionPool$OnePool at 167a256 context=org.jboss.resou
rce.connectionmanager.InternalManagedConnectionPool at d2ee0f xaResource=org.jboss.resource.connectionmanager.TxConnectionM
anager$LocalXAResource at 1045431 txSync=null]
org.jboss.resource.JBossResourceException: SQLException; - nested throwable: (java.sql.SQLRecoverableException: Io excep
tion: Connection reset)
        at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.checkException(BaseWrapperManagedConnection.java
:481)
        at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.destroy(BaseWrapperManagedConnection.java:206)
        at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.doDestroy(InternalManagedConnectionPool.ja
va:550)
        at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.removeTimedOut(InternalManagedConnectionPo
ol.java:415)
        at org.jboss.resource.connectionmanager.IdleRemover$1.run(IdleRemover.java:81)
        at java.lang.Thread.run(Thread.java:619)
Caused by: java.sql.SQLRecoverableException: Io exception: Connection reset
        at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:281)
        at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:118)
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:224)
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:296)
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:611)
        at oracle.jdbc.driver.T4CConnection.logoff(T4CConnection.java:602)
        at oracle.jdbc.driver.PhysicalConnection.close(PhysicalConnection.java:4783)
        at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.destroy(BaseWrapperManagedConnection.java:202)
        ... 4 more


Please guide...

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