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https://issues.apache.org/jira/browse/THRIFT-5628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17605168#comment-17605168
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Jens Geyer commented on THRIFT-5628:
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{quote}I'm thinking that ReadMessageEndAsync should reset MaxMessageSize.{quote}
Makes sense. But not ReadAsync as you proposed above.
> MaxMessageSize is never reset on a read buffer
> ----------------------------------------------
>
> Key: THRIFT-5628
> URL: https://issues.apache.org/jira/browse/THRIFT-5628
> Project: Thrift
> Issue Type: Bug
> Components: netstd - Library
> Affects Versions: 0.16.0
> Reporter: Philip Lee
> Priority: Major
>
> It appears that for the ReadBuffer of a TMemoryBufferTransport the method
> CountConsumedMessageBytes() is called, but ResetConsumedMessageSize() is
> never called.
> Our code as a long lived client which is polling periodically for an extended
> time. RemainingMessageSize eventually falls to <= 0 and a
> TTransportException("MaxMessageSize reached") is then thrown.
> Is this a bug or expected?
> I can fix this by changing TMemoryBufferTransport as follows
> {code:java}
> public override ValueTask<int> ReadAsync(byte[] buffer, int offset, int
> length, CancellationToken cancellationToken)
> {
> var count = Math.Min(Length - Position, length);
> Buffer.BlockCopy(Bytes, Position, buffer, offset, count);
> Position += count;
> CountConsumedMessageBytes(count);
> ---> ResetConsumedMessageSize();
> return new ValueTask<int>(count);
> }{code}
> but not confident this is correct.
> Or as a work around I can set TConfiguration.MaxMessageSize = int.MaxValue
> which will allow our code to operate for longer (20x) before failing.
> Or I can recreate the client periodically.
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