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https://issues.apache.org/jira/browse/SENTRY-1751?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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kalyan kumar kalvagadda updated SENTRY-1751:
--------------------------------------------
Attachment: SENTRY-1751.002-sentry-ha-redesign.patch
> HMSFollower should not persist empty full snapshot
> --------------------------------------------------
>
> Key: SENTRY-1751
> URL: https://issues.apache.org/jira/browse/SENTRY-1751
> Project: Sentry
> Issue Type: Bug
> Components: Sentry
> Affects Versions: sentry-ha-redesign
> Reporter: Na Li
> Assignee: kalyan kumar kalvagadda
> Attachments: SENTRY-1751.001-sentry-ha-redesign.patch,
> SENTRY-1751.002-sentry-ha-redesign.patch
>
>
> When HMSFollower gets empty full snapshot, it should not persist it in
> SentryStore.
> Right now, it persists the empty full snapshot, and causes default AuthzObj
> saved in SentryStore. When another empty full snapshot is persisted,
> exception occurs.
> 2017-05-03 09:58:42,209 (pool-5-thread-1) [ERROR -
> org.apache.sentry.service.thrift.HMSFollower.run(HMSFollower.java:304)]
> Caught unexpected exception in HMSFollower! Caused by: AuthzObj: default
> already exists
> org.apache.sentry.core.common.exception.SentryAlreadyExistsException:
> AuthzObj: default already exists
> at
> org.apache.sentry.provider.db.service.persistent.SentryStore.createAuthzPathsMappingCore(SentryStore.java:2541)
> at
> org.apache.sentry.provider.db.service.persistent.SentryStore.access$3000(SentryStore.java:101)
> at
> org.apache.sentry.provider.db.service.persistent.SentryStore$42.execute(SentryStore.java:2515)
> at
> org.apache.sentry.provider.db.service.persistent.TransactionManager.executeTransaction(TransactionManager.java:114)
> at
> org.apache.sentry.provider.db.service.persistent.TransactionManager.executeTransactionWithRetry(TransactionManager.java:181)
> at
> org.apache.sentry.provider.db.service.persistent.SentryStore.persistFullPathsImage(SentryStore.java:2511)
> at
> org.apache.sentry.service.thrift.HMSFollower.run(HMSFollower.java:269)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
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