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https://issues.apache.org/jira/browse/DISPATCH-1751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17217614#comment-17217614
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ASF GitHub Bot commented on DISPATCH-1751:
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ChugR commented on a change in pull request #847:
URL: https://github.com/apache/qpid-dispatch/pull/847#discussion_r508519223
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File path: src/amqp.c
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@@ -96,6 +96,8 @@ const char * const QD_AMQPS_PORT_STR = "5671";
const char * const QD_AMQP_DFLT_PROTO = "tcp";
+const int PN_AMQP_MAX_SESSION_CAPACITY_32BIT = 2147483647;
Review comment:
2^31-1 is not a limit imposed by Proton or by AMQP. It is half of a
32-bit address space and the chances of it being reached are about zero.
I've renamed the constant and reduced its scope in another patch.
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> unexpected incoming-window in begin frame when running Dispatch on 32 bit
> system
> --------------------------------------------------------------------------------
>
> Key: DISPATCH-1751
> URL: https://issues.apache.org/jira/browse/DISPATCH-1751
> Project: Qpid Dispatch
> Issue Type: Bug
> Affects Versions: 1.13.0
> Reporter: Ganesh Murthy
> Priority: Major
>
> On 32bit systems, an unexpected incoming-window value is set. This for
> example causes system_tests_protocol_settings failures on 32bit systems, with
> test expecting to see the incoming-window be 2147483647 but instead finding
> it much less, e.g 131071.
> This is due to the way the session capacity is configured, particularly on
> 32bit systems. See more details (output, code, etc) from prior discussions on
> PROTON-2255 (raised when this was incorrectly thought to be a proton issue).
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