[SENTRY-334] Handle errors more user firendly in db store when objects are not present.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.3.0
• Fix Version/s: 1.5.0
• Assignee: Sravya Tirukkovalur
• Reporter: Sravya Tirukkovalur
• Created: 15/Jul/14 00:30
• Updated: 23/Sep/14 22:03
• Resolved: 23/Sep/14 22:03

Description

For example show role grant group <groupName> throws a stack trace if the group has no roles granted:

0: jdbc:hive2://localhost:10000/> show role grant group admin;
Error: Error while processing statement: FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.SentryGrantRevokeTask. Role: TListSentryRolesRequest(protocol_version:1, requestorUserName:hive, groupName:admin) couldn't be retrieved.. Server Stacktrace: org.apache.sentry.provider.db.SentryNoSuchObjectException: Group admin
	at org.apache.sentry.provider.db.service.persistent.SentryStore.getMSentryRolesByGroupName(SentryStore.java:855)
	at org.apache.sentry.provider.db.service.persistent.SentryStore.getTSentryRolesByGroupName(SentryStore.java:884)
	at org.apache.sentry.provider.db.service.thrift.SentryPolicyStoreProcessor.list_sentry_roles_by_group(SentryPolicyStoreProcessor.java:326)
	at org.apache.sentry.provider.db.service.thrift.SentryPolicyService$Processor$list_sentry_roles_by_group.getResult(SentryPolicyService.java:773)
	at org.apache.sentry.provider.db.service.thrift.SentryPolicyService$Processor$list_sentry_roles_by_group.getResult(SentryPolicyService.java:758)
	at sentry.org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
	at sentry.org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
	at sentry.org.apache.thrift.TMultiplexedProcessor.process(TMultiplexedProcessor.java:123)
	at sentry.org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:244)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745) (state=08S01,code=1)

Issue Links

• Is contained by: SENTRY-409 Do not print stack traces for SentryUserExceptions in Hive