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From "Markus Schuch (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CONNECTORS-1581) [Set priority thread] Error tossed: null during startup
Date Fri, 08 Feb 2019 12:59:00 GMT

    [ https://issues.apache.org/jira/browse/CONNECTORS-1581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16763567#comment-16763567
] 

Markus Schuch commented on CONNECTORS-1581:
-------------------------------------------

JDBC driver is mariadb javaclient 2.3.0.

I will enable {{org.apache.manifoldcf.db}} debug logging to see which job ids are involved.

What is the impact of this error happening in the "set priority thread"?
The exception is logged several times but then it stops and startup seems to complete without
further problems.

We didn't see any problems so far.

> [Set priority thread] Error tossed: null during startup
> -------------------------------------------------------
>
>                 Key: CONNECTORS-1581
>                 URL: https://issues.apache.org/jira/browse/CONNECTORS-1581
>             Project: ManifoldCF
>          Issue Type: Bug
>         Environment: •	ManifoldCF 2.12, running in a Docker Container based on Redhat
Linux, OpenJDK 8 
> •	AWS RDS Database (Aurora MySQL -> 5.6 compatible, utf8 (collation utf8_bin))
> •	Single Process Setup
>            Reporter: Markus Schuch
>            Priority: Major
>
> We see the following {{NullPointerException}} at startup:
> {code}
> [Set priority thread] FATAL org.apache.manifoldcf.crawlerthreads- Error tossed: null
> java.lang.NullPointerException
> at org.apache.manifoldcf.crawler.system.ManifoldCF.writeDocumentPriorities(ManifoldCF.java:1202)
> at org.apache.manifoldcf.crawler.system.SetPriorityThread.run(SetPriorityThread.java:141)
> {code}
> What could be the cause of that?



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