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Confluence drops

At random times, day or night, the confluence stops working.

 

The log file is attached below just at the moment when the server crashed.

 

https://owncloud.uniscan.biz/index.php/s/DZPAwtERB7VbqMd

1 answer

@Burlakov Eduard   After going  through your Atlassian  Confluence log file,  There are lots  of errors.

Found some interesting stuff,  JavaOutOfMemoryError caused  by the scroll word exporter plugin,  by K15t

2020-03-16 14:30:11,934 ERROR [scroll-exporter-download:thread-2] [scroll.exporter.util.ExportThreadFactory] lambda$newThread$0 Unexpected error in thread Thread[scroll-exporter-download:thread-2,5,scroll-exporter-download]
java.lang.OutOfMemoryError: Java heap space

You would need to increase Java memory,  How to fix out of memory errors by increasing available memory 

 

The gap in the log before the getWorkflows error  started generating is  interesting almost 7mins

2020-03-13 18:03:54,396 ERROR [https-jsse-nio2-443-exec-11] [[Standalone].[localhost].[/].[noop]] log Servlet.service() for servlet [noop] in context with path [] threw exception
2020-03-13 18:10:18,673 ERROR [https-jsse-nio2-443-exec-9] [comalatech.confluence.workflow.DefaultWorkflowAccessor] getWorkflows
2020-03-13 18:10:18,676 ERROR [https-jsse-nio2-443-exec-9] [confluence.workflow.listeners.TriggersListener] handleEvent com.atlassian.confluence.pages.Attachment cannot be cast to com.atlassian.confluence.pages.AbstractPage
2020-03-13 18:12:54,421 ERROR [https-jsse-nio2-443-exec-1] [comalatech.confluence.workflow.DefaultWorkflowAccessor] getWorkflows
2020-03-13 18:12:54,427 ERROR [https-jsse-nio2-443-exec-1] [confluence.workflow.listeners.TriggersListener] handleEvent com.atlassian.confluence.pages.Attachment cannot be cast to com.atlassian.confluence.pages.AbstractPage

.......................................
2020-03-13 18:55:07,830 ERROR [Caesium-1-4] [atlassian.crowd.directory.DbCachingDirectoryPoller] pollChanges Error occurred while refreshing the cache for directory [ 15532033 ].

Before and after this  error,  There is some pool  changes  error with refreshing db cache directory . I think  you  have a  Comala Workflow  for confluence plugin .  As i know the plugin is now  Comala  Document Management.

PLEASE disable this plugin or UN-install it  completely 

Stop and Restart Confluence and monitor your instance to see if  this was the root cause. 

 

The below  error also appears  a lot of times

2020-03-13 11:56:37,689 ERROR [https-jsse-nio2-443-exec-1] [core.persistence.hibernate.HibernateObjectDao] findSingleObject Uh oh - found more than one object when single object requested: [Attachment: user-avatar v.1 (6325449) guest-rnd, Attachment: user-avatar v.1 (6325450) guest-rnd]

You may also want to fix  the error there are multiple versions of  V.1 for this user avatar  you will need  remove  duplicate. I suspect  that  the  Username is   guest-rnd  not certain.  follow  article  here to  find  content id  and there is path to  this  attachment mention in article.

How to find specific user profile pictures from the Confluence attachments directory 

 

It took lots  of  time to get reponse from  request  to Opserver.2.rb.local running at port 88

2020-03-13 10:15:47,197 ERROR [https-jsse-nio2-443-exec-25] [plugins.macros.html.WhitelistedHttpRetrievalMacro] execute Unable to get HTTP response from http://opserver2.rb.local:88/html/rd?path=Current

You added a whietlist  in confluence  for this link  http://opserver2.rb.local:88/html/rd?path=Current .   you may  want to  verify if  this server is working.

 

 

Kind regards,

Mo

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