[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)
issues at jboss.org
Tue Dec 19 12:15:00 EST 2017
[ https://issues.jboss.org/browse/MODCLUSTER-636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13507208#comment-13507208 ]
Jean-Frederic Clere commented on MODCLUSTER-636:
------------------------------------------------
I think I have found the changes in the 00-mpm.conf that will cause the problem: the number of threads per process. # of threads/child by config
> 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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