Jaskey Lam created ROCKETMQ-97:
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Summary: SendCallback should bring response code and extMessags in
OnException
Key: ROCKETMQ-97
URL: https://issues.apache.org/jira/browse/ROCKETMQ-97
Project: Apache RocketMQ
Issue Type: Improvement
Components: rocketmq-client
Reporter: Jaskey Lam
Assignee: Xiaorui Wang
For sendAsync, when excpetion occurs, the developer will have nothing to
distiguish what kind of exception it is unless read the remark or stacktrace.
Actually, for some broker problems, say service_not_availble or system_error,
the devs should do some special actions.
But for now, with no response code , we can't distinguish them, even, for some
situation, the queue sent to is even needed , if possible there should be a
ext fields where collect as many message as possible to let developer to
descide their callback behavior.
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