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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DISPATCH-550) Assertion failure in router in larger scale networks
Date Wed, 02 Nov 2016 17:36:58 GMT

    [ https://issues.apache.org/jira/browse/DISPATCH-550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15629758#comment-15629758
] 

ASF subversion and git services commented on DISPATCH-550:
----------------------------------------------------------

Commit 3b73b03c0e02db00885ccb9e58ed938fcdc8237f in qpid-dispatch's branch refs/heads/master
from [~tross@redhat.com]
[ https://git-wip-us.apache.org/repos/asf?p=qpid-dispatch.git;h=3b73b03 ]

DISPATCH-550 - Remove closed links from the routing tables immediately upon link/connection
closure.


> Assertion failure in router in larger scale networks
> ----------------------------------------------------
>
>                 Key: DISPATCH-550
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-550
>             Project: Qpid Dispatch
>          Issue Type: Bug
>          Components: Router Node
>    Affects Versions: 0.7.0
>            Reporter: Ted Ross
>            Assignee: Ted Ross
>            Priority: Blocker
>             Fix For: 0.7.0
>
>
> When running network topologies of six or more router nodes, the following crash is seen
intermittently:
> {noformat}
> #0  0x00007fdf8a448a28 in raise () from /lib64/libc.so.6
> #1  0x00007fdf8a44a62a in abort () from /lib64/libc.so.6
> #2  0x00007fdf8a441227 in __assert_fail_base () from /lib64/libc.so.6
> #3  0x00007fdf8a4412d2 in __assert_fail () from /lib64/libc.so.6
> #4  0x00007fdf8b44dcb1 in sys_mutex_lock (mutex=0x7fdf70032a40) at /home/ross/git/qpid-dispatch/src/posix/threading.c:57
> #5  0x00007fdf8b45b442 in qdr_forward_deliver_CT (core=0x123d8b0, link=0x7fdf7004d4a0,
dlv=0x7fdf6c03bc20) at /home/ross/git/qpid-dispatch/src/router_core/forwarder.c:154
> #6  0x00007fdf8b45c302 in qdr_forward_closest_CT (core=0x123d8b0, addr=0x7fdf78027460,
msg=0x7fdf780e5be0, in_delivery=0x0, exclude_inprocess=true, control=true) at /home/ross/git/qpid-dispatch/src/router_core/forwarder.c:436
> #7  0x00007fdf8b45d2ad in qdr_forward_message_CT (core=0x123d8b0, addr=0x7fdf78027460,
msg=0x7fdf780e5be0, in_delivery=0x0, exclude_inprocess=true, control=true) at /home/ross/git/qpid-dispatch/src/router_core/forwarder.c:749
> #8  0x00007fdf8b466b9f in qdr_send_to_CT (core=0x123d8b0, action=0x7fdf6c344d60, discard=false)
at /home/ross/git/qpid-dispatch/src/router_core/transfer.c:649
> #9  0x00007fdf8b460d91 in router_core_thread (arg=0x123d8b0) at /home/ross/git/qpid-dispatch/src/router_core/router_core_thread.c:83
> #10 0x00007fdf8afb761a in start_thread () from /lib64/libpthread.so.0
> #11 0x00007fdf8a5165fd in clone () from /lib64/libc.so.6
> {noformat}
> It appears that the router_core is attempting to deliver a message on a link that is
associated with a closed connection.  It is also possible that the link itself has been closed
and freed.



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