[QPID-8180] [JMS AMQP 0-8..0-91] Improve error message associated with the channel not found during frame dispatch

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.32
• Fix Version/s: qpid-java-client-0-x-6.3.1
• Component/s: JMS AMQP 0-x
• Assignee: Unassigned
• Reporter: Keith Wall
• Created: 04/May/18 10:26
• Updated: 02/Oct/19 19:22
• Resolved: 04/May/18 15:05

Description

A defect report against a 0.32 derivative client included a seemingly spontaneous NullPointerException stack trace whilst the IOReceiver was processing an incoming content.body frame. There is no indication that the underlying channel had been closed.

2018-05-01 15:30:27.914 ERROR Exception processing frame                                                                      [IoRcvr-/x.x.x.x:45506-yyy-rrqpid1.us.xxxxx.xxxxxx/x.xx.x:5681][AMQProtocolHandler.java:512]
java.lang.NullPointerException: null
                at org.apache.qpid.client.protocol.AMQProtocolSession.deliverMessageToAMQSession(AMQProtocolSession.java:290) ~[qpid-client-x.x.x.jar: x.x.x]
                at org.apache.qpid.client.protocol.AMQProtocolSession.contentBodyReceived(AMQProtocolSession.java:272) ~[qpid-client- x.x.x.jar: x.x.x]
                at org.apache.qpid.framing.ContentBody.handle(ContentBody.java:72) ~[qpid-common- x.x.x.jar: x.x.x]
                at org.apache.qpid.client.protocol.AMQProtocolHandler.received(AMQProtocolHandler.java:492) [qpid-client- x.x.x.jar: x.x.x]
                at org.apache.qpid.client.protocol.AMQProtocolHandler.received(AMQProtocolHandler.java:120) [qpid-client- x.x.x.jar:5.1.8]
                at org.apache.qpid.client.AMQConnectionDelegate_8_0$ReceiverClosedWaiter.received(AMQConnectionDelegate_8_0.java:538) [qpid-client- x.x.x.jar: x.x.x]
                at org.apache.qpid.client.AMQConnectionDelegate_8_0$ReceiverClosedWaiter.received(AMQConnectionDelegate_8_0.java:524) [qpid-client- x.x.x.jar: x.x.x]

Attempts to reproduce the problem have so far been unsuccessful. Improving the error message used in this situation should help a future investigation, if it occurs again.