run jboss-cli.sh to check the deployment status and it shows FAILED.

NDO-2120:/opt/jboss/bin # /opt/jboss/bin/jboss-cli.sh --connect command="/deployment=nsm.ear:read-attribute(name=status)"
{
"outcome" => "success",
"result" => "FAILED"
}

nsm.ear is our application. But our application runs well and can be login successfully using client and executing operations are succeed. please help what is problem. what should i do to check the problem.