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https://issues.apache.org/jira/browse/KYLIN-3562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16819753#comment-16819753
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zhao jintao commented on KYLIN-3562:
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Hi [~Aron.tao]
My Kylin version is 2.5.2, that is the latest code of . I use kylin-cluster
mode, but I also face the same "Overwrting conflict" error. The exception stack
is the same as yours. This may be occured in cluster mode when same user login
kylin to query in different nodes at the same time by using jdbc.
I add a new switch setting to the "Kylin.properties". If open that switch,
Kylin doesn't update user information to HBase. That mean Kylin doesn't update
user information in “testing” mode, Kylin also update information in "LDAP"
mode. That works fine.
> TS conflict when kylin update metadata in HBase
> -----------------------------------------------
>
> Key: KYLIN-3562
> URL: https://issues.apache.org/jira/browse/KYLIN-3562
> Project: Kylin
> Issue Type: Bug
> Affects Versions: v2.4.0
> Reporter: Lingang Deng
> Assignee: Jiatao Tao
> Priority: Major
> Fix For: v2.4.2, v2.5.1
>
> Attachments: image-2018-09-17-16-40-56-212.png,
> image-2018-09-25-15-03-51-009.png, image-2018-09-25-16-43-50-277.png
>
>
> Error log was as follows,
> {code:java}
> org.apache.kylin.common.persistence.WriteConflictException: Overwriting
> conflict /user/admin, expect old TS 1536928877043, but it is 1536928907207
> at
> org.apache.kylin.storage.hbase.HBaseResourceStore.checkAndPutResourceImpl(HBaseResourceStore.java:325)
> at
> org.apache.kylin.common.persistence.ResourceStore.checkAndPutResourceCheckpoint(ResourceStore.java:318)
> at
> org.apache.kylin.common.persistence.ResourceStore.putResource(ResourceStore.java:303)
> at
> org.apache.kylin.common.persistence.ResourceStore.putResource(ResourceStore.java:282)
> at
> org.apache.kylin.metadata.cachesync.CachedCrudAssist.save(CachedCrudAssist.java:192){code}
>
> what disturbs me the most was that the error was happened several hours,
> then my all build job and query job failed.
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