[jboss-user] [Persistence, JBoss/CMP, Hibernate, Database] - Problem with datasource

[rocksayz]

i am using oracle data source and it was working fine but suddenly this error prompted after a month
[JBossManagedConnectionPool] Exception destroying ManagedConnection org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener at e6899[state=DESTROYED mc=org.jboss.resource.adapter.jdbc.local.LocalManagedConnection at 7103af handles=0 lastUse=1156519380593 permit=false trackByTx=false mcp=org.jboss.resource.connectionmanager.JBossManagedConnectionPool$OnePool at 1a8ecf4 context=org.jboss.resource.connectionmanager.InternalManagedConnectionPool at 15c9f9d xaResource=org.jboss.resource.connectionmanager.TxConnectionManager$LocalXAResource at 1f33bb0 txSync=null]org.jboss.resource.JBossResourceException: SQLException; - nested throwable: (java.sql.SQLException: Io exception: 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.java:550)
        at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.removeTimedOut(InternalManagedConnectionPool.java:415)
        at org.jboss.resource.connectionmanager.IdleRemover$1.run(IdleRemover.java:81)
        at java.lang.Thread.run(Thread.java:536)
Caused by: java.sql.SQLException: Io exception: Connection reset
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:124)
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:161)
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:273)
        at oracle.jdbc.driver.T4CConnection.logoff(T4CConnection.java:395)
        at oracle.jdbc.driver.PhysicalConnection.close(PhysicalConnection.java:1046)
        at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.destroy(BaseWrapperManagedConnection.java:202)
        ... 4 more

Please let me what is the solution for this

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