Oracle SOA Suite 11g - Error retrieving NXSD encoding exception in MQ adapter

Oracle SOA Suite 11g - Error retrieving NXSD encoding exception in MQ adapter:

The following exception has been thrown whenever a composite enqueue the message to the Queue through the MQ Adapter.

MQSeriesAdapter PropagateOrderRequest:OrderRequest [ Enqueue_ptt::Enqueue(Request) ] Error retrieving NXSD encoding...>>
<11-Jan-2012 12:58:16 o'clock GMT> <Notice> <Stdout> <BEA-000000> <<11-Jan-2012 12:58:16 o'clock GMT> <Error> <oracle.soa.adapter> <BEA-000000> <MQSeriesAdapter CCRMOM_PropagateOrderRequest:OrderRequest [ Enqueue_ptt::Enqueue(Request) ]
java.lang.NullPointerException

This is a Runtime exception, even after receiving the above exception the messages are successfully enqueued.

The Oracle SOA Suite version in which the issue has been observed is 11.1.1.5.0

Solution to suppress this exception:

               We have applied the patch 13718139 as suggested by oracle and it resolved the issue.
               Download the patch from metalink by specifying the patch number as 13718139.