[jira] [Created] (ROCKETMQ-134) the offset of message filter by tags may be not commit to broker

[Jie.Tang (JIRA)]

Jie.Tang created ROCKETMQ-134:
---------------------------------

             Summary: the offset of message filter by tags may be not commit to 
broker
                 Key: ROCKETMQ-134
                 URL: https://issues.apache.org/jira/browse/ROCKETMQ-134
             Project: Apache RocketMQ
          Issue Type: Bug
          Components: rocketmq-client
    Affects Versions: 4.0.0-incubating
            Reporter: Jie.Tang
            Assignee: Xiaorui Wang
            Priority: Trivial


when different string has a same hash code.the message commit offset of 
filtered message may be not commit to broker.
for example:
1.consumer pull message from broker, broker return status FOUND and messages 
filter by tags hash code
2.consumer client get the messages and than processPullResult will filter 
message by tags.
3.PullCallback may get a pullResult which status is FOUND but messageList is 
empty.(filter by tags)

but only NO_MATCHED_MSG and NO_NEW_MSG will correctTagsOffset
we can't commit the right with status of FOUND(for messageList is empty).

Is that so?



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