[jira] [Created] (AMQ-5431) lack of link context when processing AMQP detach response results in NPE and stopping connection

["Robbie Gemmell (JIRA)" <ji...@apache.org>]

Robbie Gemmell created AMQ-5431:
-----------------------------------

             Summary: lack of link context when processing AMQP detach response results in NPE and stopping connection
                 Key: AMQ-5431
                 URL: https://issues.apache.org/jira/browse/AMQ-5431
             Project: ActiveMQ
          Issue Type: Bug
          Components: AMQP
    Affects Versions: 5.10.0
            Reporter: Robbie Gemmell
             Fix For: 5.11.0


When an AMQP 1.0 link (producer/consumer) is detached/closed by the broker with an error, clients must send a response Detach frame. If the link context was not set before the error occurred, this leads to the broker experiencing an NPE while processing the reply and then stopping the entire connection.

{noformat}
org.apache.activemq.transport.amqp.AmqpProtocolException: Could not process AMQP commands
	at org.apache.activemq.transport.amqp.AmqpProtocolConverter.onFrame(AmqpProtocolConverter.java:319)
	at org.apache.activemq.transport.amqp.AmqpProtocolConverter.onAMQPData(AmqpProtocolConverter.java:247)
	at org.apache.activemq.transport.amqp.AmqpTransportFilter.onCommand(AmqpTransportFilter.java:98)
	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:745)
Caused by: java.lang.NullPointerException
	at org.apache.activemq.transport.amqp.AmqpProtocolConverter.processLinkEvent(AmqpProtocolConverter.java:359)
	at org.apache.activemq.transport.amqp.AmqpProtocolConverter.onFrame(AmqpProtocolConverter.java:303)
	... 6 more
{noformat}



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