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https://issues.apache.org/jira/browse/OOZIE-3638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17423406#comment-17423406
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Dénes Bodó commented on OOZIE-3638:
-----------------------------------
[~bubble]
This site describes how to configure a back-end database for Oozie in the
oozie-site.xml:
[https://oozie.apache.org/docs/5.2.1/AG_Install.html#Database_Configuration]
{quote}Why oozie would create the *.lck files, I'm not sure if these files
cause the locking.
{quote}
I think the .lck file is not created by Oozie but created by the embedded Derby
system. See:
[https://db.apache.org/derby/docs/10.0/manuals/develop/develop120.html]
There must be a misunderstanding: when you start Oozie it starts using the
Derby database. When you are trying to use the ooziedb.sh that does not
communicates with Derby through Oozie but with Derby directly => ooziedb.sh is
another client.
I hope this helped you out.
> Execute command failed after oozie started
> ------------------------------------------
>
> Key: OOZIE-3638
> URL: https://issues.apache.org/jira/browse/OOZIE-3638
> Project: Oozie
> Issue Type: Bug
> Affects Versions: 5.2.0
> Reporter: meitingli
> Priority: Major
> Attachments: image-2021-09-30-19-39-53-160.png,
> image-2021-09-30-19-40-00-109.png, image-2021-09-30-19-40-08-394.png,
> image-2021-09-30-19-41-18-290.png
>
>
> The version of oozie and the kernel version of OS as below:
> !image-2021-09-30-19-41-18-290.png!
> # Set the java path
> export JAVA_HOME=/usr/lib/jvm/$java11_version
> export PATH=$JAVA_HOME/bin:$PATH
> export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
> # Execute below command to start oozie
> oozie-start.sh
> # Check the path /var/cache/oozie/data/oozie-db， there were *.lck files
> created. !image-2021-09-30-19-40-08-394.png!
> # Executed other command line, such like ooziedb.sh version, it would pop up
> error that the database failed to start.
> !image-2021-09-30-19-39-53-160.png!!image-2021-09-30-19-40-00-109.png!
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