connect to database error in JBoss

Issue

• Stacktrace showing similar to below

<date> <timestamp> WARN  [org.jboss.resource.connectionmanager.TxConnectionManager] (<thread id>) Connection error occured: org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener@26edfc19[state=NORMAL mc=org.jboss.resource.adapter.jdbc.local.LocalManagedConnection@6fb1103c handles=1 lastUse=1383583028219 permit=true trackByTx=false mcp=org.jboss.resource.connectionmanager.JBossManagedConnectionPool$PoolBySubjectAndCri@2c7bf31a context=org.jboss.resource.connectionmanager.InternalManagedConnectionPool@7d9546c6 xaResource=org.jboss.resource.connectionmanager.TxConnectionManager$LocalXAResource@51a10c6d txSync=null]