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https://issues.apache.org/jira/browse/KYLIN-3562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16627165#comment-16627165
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jiatao.tao edited comment on KYLIN-3562 at 9/25/18 11:15 AM:
-------------------------------------------------------------
Hi [~baibaichen], I think your thought about
KylinAuthenticationProvider.authenticate is pretty right. The updating
operation is pretty confusing and useless, I think may be remove this is the
right path.
For KylinUserService, it actually just rename UserService(you can see
UserService's git log), we extracted this for preparing better LDAP support.
was (Author: aron.tao):
Hi [~baibaichen], I think your thought about
KylinAuthenticationProvider.authenticate is right. The updating operation is
pretty confusing and useless, I think may be remove this is the right path.
For KylinUserService, it actually just rename UserService(you can see
UserService's git log), we extracted this for better LDAP support preparation.
> 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
> Priority: Major
> 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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