[mod_cluster-issues] [JBoss JIRA] (MODCLUSTER-356) BalancerMember directives cause httpd crash when using mod_cluster 1.2.x

[Weinan Li (JIRA)]

    [ https://issues.jboss.org/browse/MODCLUSTER-356?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12804419#comment-12804419 ] 

Weinan Li commented on MODCLUSTER-356:
--------------------------------------

Yeah if I restart httpd/EAP sometimes it will throw:

{code}
Error null sending STATUS command to min/10.0.1.13:10001, configuration will be reset: null
{code}

And this just happen during server restart to me. 

The httpd crashing stopped after I've upgrade mod_cluster to 1.2.6.Final in httpd. No crashing anymore, and no error log from both EAP and httpd sides, and node could be seen correctly from '/mod_cluster-manager'. From wireshark analyse the CPING/CPONG of AJP port between EAP/httpd are fine.

But the "<title>503 Service Temporarily Unavailable</title>" still exists. The node is not serving.

I've also tried to upgrade mod_cluster in EAP side also to 1.2.6.Final and the problem still there.

Not sure where the problem could be. Because Wireshark doesn't understand the MCMP in 10001 port, so it's hard for me to see if there are any problems.


                
> BalancerMember directives cause httpd crash when using mod_cluster 1.2.x
> ------------------------------------------------------------------------
>
>                 Key: MODCLUSTER-356
>                 URL: https://issues.jboss.org/browse/MODCLUSTER-356
>             Project: mod_cluster
>          Issue Type: Bug
>    Affects Versions: 1.2.4.Final
>         Environment: SLES-11-SP1 x86_64 running httpd 2.2.24 or 2.4.6 with any mod_cluster-1.2.x version and JBoss-AS-7.2.0.Final
>            Reporter: Marco Danti
>            Assignee: Jean-Frederic Clere
>              Labels: balancerMember, crash, httpd, mod_cluster
>
> httpd dumps core in mod_proxy_cluster.c if the httpd.conf file contains BalancerMember directives.
> this happens at least with the following two setups:
>  1) httpd-2.4.6 and mod_cluster-1.2.x
>  2) httpd-2.2.24 and mod_cluster-1.2.3.Final

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