MessagingTemplate: Emit WARN Log Message When Late Replies are Sent [INT-3004]

[spring-operator]

Gary Russell opened INT-3004 and commented

Currently 'late', or 'extra' replies in sendAndReceive are silently dropped.

There are two categories of late replies:

• the sender already timed out on the receive
• the sender caught an exception and will never execute receive()

In the second case the thread might have exited sendAndReceive or it might be waiting on a receive() in a new replyChannel after sending to the error channel.

In addition, 'extra' replies are simply ignored (if the sender already received a reply).

In the referenced forum post, the 'extra' reply received after the gateway had already processed an ErrorMessage was just ignored because the result was sent to the original reply channel.

Add WARN log entries when any of these conditions arise, to assist in debugging these situations.

---

Reference URL: http://forum.springsource.org/showthread.php?136732-In-my-example-how-to-handle-errors-with-agregator

Issue Links:

• Race Condition in MessagingTemplate.TemporaryReplyChannel [INT-3227] #7202 Race Condition in MessagingTemplate.TemporaryReplyChannel

• Consider Making the WARN Logs in INT-3004 Fatal [INT-3005] #6980 Consider Making the WARN Logs in MessagingTemplate: Emit WARN Log Message When Late Replies are Sent [INT-3004] #6979 Fatal

[spring-operator]

Gary Russell commented

PR: #800

[spring-operator]

Artem Bilan commented

Merged by Mark Fisher