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From "Robbie Gemmell (JIRA)" <j...@apache.org>
Subject [jira] [Created] (QPIDJMS-334) warning emitted by 32bit JVM during attempt to load 64bit Netty native epoll transport
Date Wed, 04 Oct 2017 11:19:00 GMT
Robbie Gemmell created QPIDJMS-334:
--------------------------------------

             Summary: warning emitted by 32bit JVM during attempt to load 64bit Netty native
epoll transport
                 Key: QPIDJMS-334
                 URL: https://issues.apache.org/jira/browse/QPIDJMS-334
             Project: Qpid JMS
          Issue Type: Bug
          Components: qpid-jms-client
    Affects Versions: 0.25.0
            Reporter: Robbie Gemmell
            Assignee: Robbie Gemmell
            Priority: Minor
             Fix For: 0.26.0


As discussed on QPIDJMS-315 and before in ARTEMIS-1099, using Netty 4.1.15 and below with
its epoll transport module present can lead to a warning being emitted on a 32bit JVM, since
only a 64bit variant is provided but attempt was still made to load it during the availability
checking, leading the JVM itself to emit a warning about the architecture mismatch.

The PRs https://github.com/netty/netty/issues/7150 / https://github.com/netty/netty/pull/7163
addressed this in Netty 4.1.16, making the archiecture part of the native library name, so
it doesn't attempt to load the native 64bit library on a 32bit JVM.

QPIDJMS-318 covered the update to Netty 4.1.16 which incorporated this fix.



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