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https://issues.apache.org/jira/browse/QPID-7739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16039219#comment-16039219
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ASF subversion and git services commented on QPID-7739:
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Commit 268338aba0764f7e554573417699d3b2fc9ffa5f in qpid-broker-j's branch
refs/heads/master from [~alex.rufous]
[ https://git-wip-us.apache.org/repos/asf?p=qpid-broker-j.git;h=268338a ]
QPID-7739: [Java Broker] [AMQP 1.0] Change type of field
AbstractLinkEndpoint#_deliveryCount to SequenceNumber
> [Java Broker] In AMQP 1.0 fix handling of channel Id > 2^15
> -----------------------------------------------------------
>
> Key: QPID-7739
> URL: https://issues.apache.org/jira/browse/QPID-7739
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Reporter: Lorenz Quack
> Fix For: qpid-java-broker-7.0.0
>
>
> In AMQP 1.0 the channel ID is an Unsigned Short, i.e. 0 <= x < 2^16
> However in the amqp 1.0 plugin the channel is modeled as a java short which
> is signed and thus in the range -2^15 <= x < 2^15.
> This causes some problems if the channel id exceeds 2^15. Some issues are
> minor like the error statement in {{AMQPConnection_1_0Impl#getSession}}
> taking on a negative value but some will be more unfortunate like the
> {{ArrayIndexOutOfBoundsException}} earlier in the same method (will fail the
> session Begin and close the connection).
> There are several possible solutions:
> * handle the unsigned short correctly (either as UnsignedShort or as int)
> * enforce a max-channel of 2^15 - 1 on connection Open
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