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

[Jean-Frederic Clere (JIRA)]

    [ https://issues.jboss.org/browse/MODCLUSTER-636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13507153#comment-13507153 ] 

Jean-Frederic Clere commented on MODCLUSTER-636:
------------------------------------------------

As the default is PersistSlots Off  I would rather no use it... Except for a very good reason, any reason for it?

> 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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