[QPID-6001] Prevent NPE when publishing using ADDR destination to Broker using AMQP 0-9-1 or lower

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.16, 0.18, 0.20, 0.22, 0.24, 0.26, 0.28
• Fix Version/s: 0.30
• Component/s: JMS AMQP 0-x
• Assignee: Keith Wall
• Reporter: Keith Wall
• Created: 14/Aug/14 18:41
• Updated: 02/Oct/19 19:22
• Resolved: 19/Aug/14 08:20

Description

If I try an run the Hello example (from qpid-client-examples) against a Java Broker configured to use AMQP 0-9-1 or lower, or Rabbit MQ, I receive the following NPE:

java.lang.NullPointerException
	at org.apache.qpid.client.BasicMessageProducer_0_8.declareDestination(BasicMessageProducer_0_8.java:63)
	at org.apache.qpid.client.BasicMessageProducer.<init>(BasicMessageProducer.java:136)
	at org.apache.qpid.client.BasicMessageProducer_0_8.<init>(BasicMessageProducer_0_8.java:55)
	at org.apache.qpid.client.AMQSession_0_8.createMessageProducer(AMQSession_0_8.java:559)
	at org.apache.qpid.client.AMQSession_0_8.createMessageProducer(AMQSession_0_8.java:62)
	at org.apache.qpid.client.AMQSession$7.execute(AMQSession.java:2613)
	at org.apache.qpid.client.AMQSession$7.execute(AMQSession.java:2604)
	at org.apache.qpid.client.AMQConnectionDelegate_8_0.executeRetrySupport(AMQConnectionDelegate_8_0.java:333)
	at org.apache.qpid.client.AMQConnection.executeRetrySupport(AMQConnection.java:625)
	at org.apache.qpid.client.failover.FailoverRetrySupport.execute(FailoverRetrySupport.java:96)
	at org.apache.qpid.client.AMQSession.createProducerImpl(AMQSession.java:2602)
	at org.apache.qpid.client.AMQSession.createProducer(AMQSession.java:1175)
	at org.apache.qpid.client.AMQSession.createProducer(AMQSession.java:93)
	at org.apache.qpid.example.Hello.runTest(Hello.java:66)
	at org.apache.qpid.example.Hello.main(Hello.java:48)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)

This error was reported on users@q.a.o sometime ago.

http://qpid.2158936.n2.nabble.com/Java-example-Hello-java-throws-NPE-td7581155.html