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https://issues.apache.org/jira/browse/PROTON-2057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16851208#comment-16851208
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ASF GitHub Bot commented on PROTON-2057:
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asfgit commented on pull request #34: PROTON-2057 fix short array decoding
URL: https://github.com/apache/qpid-proton-j/pull/34
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> small/array8 primitive arrays >=128 bytes fail to encode
> --------------------------------------------------------
>
> Key: PROTON-2057
> URL: https://issues.apache.org/jira/browse/PROTON-2057
> Project: Qpid Proton
> Issue Type: Bug
> Components: proton-j
> Affects Versions: proton-j-0.30.0, proton-j-0.31.0, proton-j-0.32.0,
> proton-j-0.33.0
> Environment: OS: RHEL 7.2
> JRE: OpenJDK Runtime Environment (build 1.8.0_102-b14)
> proton-j 0.32.0 and 0.33.0
> qpid-jms-client 0.41.0 and 0.42.0
> Reporter: Ang Iongchun
> Assignee: Robbie Gemmell
> Priority: Major
> Fix For: proton-j-0.34.0
>
>
> While encoding a small/array8 primitive array with >=128 bytes content (and
> obviously <=255 bytes given array8 type), an exception will be thrown. The
> array size is being stored in a byte variable, which can be negative, for
> later writing out as a raw 1byte size field during the encoding. The value
> was mistakengly also being used to facilitate checking for buffer capacity or
> expansion, which can fail due to the potentially negative value if the array
> is in the appropate size range.
> This was introduced during proton-j 0.30.0 changes for PROTON-1941.
>
> ================
> Original Description:
> Receiving a AMQP short array (length less than 256) with qpid-jms-client
> causes this error in log:
> [AmqpProvider :(1):[amqp://localhost:5672]] WARN o.a.q.j.p.a.AmqpConsumer -
> Error on transform: minWritableBytes: -92 (expected: >= 0)
> The message is still kept in queue.
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