[mod_cluster-issues] [JBoss JIRA] (MODCLUSTER-636) When setting PersistSlots to On, EAP node can not rejoin mod_cluster due to java.lang.IllegalArgumentException

[Alex Cai (JIRA)]

    [ https://issues.jboss.org/browse/MODCLUSTER-636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13507650#comment-13507650 ] 

Alex Cai commented on MODCLUSTER-636:
-------------------------------------

Thanks [~jfclere] however customer only changes ThreadsPerChild to try to reproduce the original problem. This might be related to that sometimes customer can reproduce the issue by changing mpm file, but the initial problem is "When setting PersistSlots to On, EAP node can not rejoin mod_cluster due to java.lang.IllegalArgumentException". Do you think it (ThreadsPerChild) is also relevant? 

I will confirm with customer when they touch ThreadsPerChild.


> When setting PersistSlots to On, EAP node can not rejoin mod_cluster due to java.lang.IllegalArgumentException
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: MODCLUSTER-636
>                 URL: https://issues.jboss.org/browse/MODCLUSTER-636
>             Project: mod_cluster
>          Issue Type: Bug
>          Components: Native (httpd modules)
>    Affects Versions: 1.3.5.Final
>         Environment: * JBCS httpd 2.4.23 SP2
> * mod_cluster: 1.3.5
> * EAP: 7.0.8
>            Reporter: Alex Cai
>            Assignee: Jean-Frederic Clere
>
> Customer set 'PersistSlots On' and sometimes the jboss eap node could not rejoing into mod_cluster due to java.lang.IllegalArgumentException
> When they got this exception, they have to delete every cache files then restart httpd and jboss for join correctly.
> Customer tried the below actions:
> 1) apache stop -> delet manager.* files in the mod_cluster directory -> apache start 
> - this action could cause http 503 error
> or
> 2) pre-backup the all files(normal files before issue) in the mod_cluster directory. when the issue occure, apache stop -> restore manager.* files from backuped files -> apache start
> - no http 503 error
> Please see the case for more details:
> https://access.redhat.com/support/cases/01986243



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