GitHub user ijuma opened a pull request:

    https://github.com/apache/kafka/pull/1547

    KAFKA-3594; After calling MemoryRecords.close() method, hasRoomFor() method 
should return false

    This exception is occurring when producer is trying to append a record to a 
Re-enqueued record batch in the accumulator. We should not allow to add a 
record to Re-enqueued record batch. This is due a bug in 
MemoryRecords.java/hasRoomFor() method. After calling MemoryRecords.close() 
method, hasRoomFor() method should return false.
    
    This is a backport to the 0.9.0 branch.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/ijuma/kafka kafka-3594-for-0.9.0

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/kafka/pull/1547.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1547
    
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commit 3e3e8a28d88f5d191bbdc0c35f086a925bc8c512
Author: Manikumar reddy O <manikumar.re...@gmail.com>
Date:   2016-04-21T22:13:25Z

    KAFKA-3594; After calling MemoryRecords.close() method, hasRoomFor() method 
should return false
    
    This exception is occurring when producer is trying to append a record to a 
Re-enqueued record batch in the accumulator. We should not allow to add a 
record to Re-enqueued record batch. This is due a bug in 
MemoryRecords.java/hasRoomFor() method. After calling MemoryRecords.close() 
method, hasRoomFor() method should return false.
    
    Author: Manikumar reddy O <manikumar.re...@gmail.com>
    
    Reviewers: Ismael Juma, Grant Henke, Guozhang Wang
    
    Closes #1249 from omkreddy/KAFKA-3594

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