Issue

• sending a JMS message with JMSType set to "null" over AMQP throws the following java.lang.NullPointerException on the broker side

org.apache.activemq.transport.amqp.AmqpProtocolException: Could not process AMQP commands
    at org.apache.activemq.transport.amqp.AmqpProtocolConverter.onFrame(AmqpProtocolConverter.java:317)
    at org.apache.activemq.transport.amqp.AmqpProtocolConverter.onAMQPData(AmqpProtocolConverter.java:224)
    at org.apache.activemq.transport.amqp.AmqpTransportFilter.onCommand(AmqpTransportFilter.java:96)
    at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
    at org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:214)
    at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:196)
    at java.lang.Thread.run(Thread.java:695)
Caused by: java.lang.NullPointerException
    at org.apache.qpid.proton.jms.InboundTransformer.populateMessage(InboundTransformer.java:141)
    at org.apache.qpid.proton.jms.AMQPNativeInboundTransformer.transform(AMQPNativeInboundTransformer.java:37)
    at org.apache.activemq.transport.amqp.AmqpProtocolConverter$ProducerContext.onMessage(AmqpProtocolConverter.java:556)
    at org.apache.activemq.transport.amqp.AmqpProtocolConverter$BaseProducerContext.onDelivery(AmqpProtocolConverter.java:531)
    at org.apache.activemq.transport.amqp.AmqpProtocolConverter.onFrame(AmqpProtocolConverter.java:288)
    ... 6 more