Na Li created SENTRY-1751:
-----------------------------
Summary: 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
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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