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https://issues.apache.org/jira/browse/SENTRY-803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14628316#comment-14628316
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Anne Yu commented on SENTRY-803:
--------------------------------

looks like https://builds.apache.org/job/PreCommit-SENTRY-Build/685/ hits the 
same problem. it causes intermittent test failures.

> TestLinkEndToEnd.testUpdateDtestUpdateDeleteLinkeleteLink test failure: 
> SentryAlreadyExistsException: Role: role4
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: SENTRY-803
>                 URL: https://issues.apache.org/jira/browse/SENTRY-803
>             Project: Sentry
>          Issue Type: Bug
>          Components: Sqoop plugin
>    Affects Versions: 1.5.1
>            Reporter: Anne Yu
>             Fix For: 1.5.1
>
>
> see this error very often, seems like it will be good if could clean up test 
> data (roles) after each test in TestLinkEndToEnd.java. JDK 7 returns a more 
> or less random order.
> mvn -Dtest=TestLinkEndToEnd test
> {code}
> Running org.apache.sentry.tests.e2e.sqoop.TestLinkEndToEnd
> Tests run: 3, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 55.852 sec 
> <<< FAILURE! - in org.apache.sentry.tests.e2e.sqoop.TestLinkEndToEnd
> testUpdateDtestUpdateDeleteLinkeleteLink on 
> testUpdateDtestUpdateDeleteLinkeleteLink(org.apache.sentry.tests.e2e.sqoop.TestLinkEndToEnd)(org.apache.sentry.tests.e2e.sqoop.TestLinkEndToEnd)
>   Time elapsed: 0.225 sec  <<< FAILURE!
> org.apache.sqoop.common.SqoopException: CLIENT_0001:Server has returned 
> exception
>       at 
> org.apache.sqoop.client.request.ResourceRequest.doHttpRequest(ResourceRequest.java:129)
>       at 
> org.apache.sqoop.client.request.ResourceRequest.post(ResourceRequest.java:175)
>       at 
> org.apache.sqoop.client.request.AuthorizationResourceRequest.createRole(AuthorizationResourceRequest.java:66)
>       at 
> org.apache.sqoop.client.request.SqoopResourceRequests.createRole(SqoopResourceRequests.java:173)
>       at org.apache.sqoop.client.SqoopClient.createRole(SqoopClient.java:570)
>       at 
> org.apache.sentry.tests.e2e.sqoop.TestLinkEndToEnd.testUpdateDtestUpdateDeleteLinkeleteLink(TestLinkEndToEnd.java:122)
> Caused by: org.apache.sqoop.common.SqoopException: AUTH_0014:Authorization 
> exception - Unable to excute command on sentry server: Role: role4. Server 
> Stacktrace: org.apache.sentry.provider.db.SentryAlreadyExistsException: Role: 
> role4
>       at 
> org.apache.sentry.provider.db.service.persistent.SentryStore.createSentryRole(SentryStore.java:310)
>       at 
> org.apache.sentry.provider.db.generic.service.persistent.DelegateSentryStore.createRole(DelegateSentryStore.java:102)
>       at 
> org.apache.sentry.provider.db.generic.service.thrift.SentryGenericPolicyProcessor$2.handle(SentryGenericPolicyProcessor.java:284)
>       at 
> org.apache.sentry.provider.db.generic.service.thrift.SentryGenericPolicyProcessor.requestHandle(SentryGenericPolicyProcessor.java:173)
>       at 
> org.apache.sentry.provider.db.generic.service.thrift.SentryGenericPolicyProcessor.create_sentry_role(SentryGenericPolicyProcessor.java:279)
>       at 
> org.apache.sentry.provider.db.generic.service.thrift.SentryGenericPolicyService$Processor$create_sentry_role.getResult(SentryGenericPolicyService.java:773)
>       at 
> org.apache.sentry.provider.db.generic.service.thrift.SentryGenericPolicyService$Processor$create_sentry_role.getResult(SentryGenericPolicyService.java:758)
>       at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
>       at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
>       at 
> org.apache.thrift.TMultiplexedProcessor.process(TMultiplexedProcessor.java:123)
>       at 
> org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:285)
>       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)
>       at 
> org.apache.sentry.sqoop.binding.SqoopAuthBinding.execute(SqoopAuthBinding.java:387)
>       at 
> org.apache.sentry.sqoop.binding.SqoopAuthBinding.createRole(SqoopAuthBinding.java:149)
>       at 
> org.apache.sentry.sqoop.authz.SentryAccessController.createRole(SentryAccessController.java:50)
>       at 
> org.apache.sentry.sqoop.authz.SentryAuthorizationHander.createRole(SentryAuthorizationHander.java:54)
>       at 
> org.apache.sqoop.handler.AuthorizationRequestHandler.createRole(AuthorizationRequestHandler.java:215)
>       at 
> org.apache.sqoop.handler.AuthorizationRequestHandler.handleEvent(AuthorizationRequestHandler.java:96)
>       at 
> org.apache.sqoop.server.v1.AuthorizationServlet.handlePostRequest(AuthorizationServlet.java:80)
>       at 
> org.apache.sqoop.server.SqoopProtocolServlet.doPost(SqoopProtocolServlet.java:63)
>       at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
>       at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>       at 
> org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:572)
>       at 
> org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticationFilter.doFilter(DelegationTokenAuthenticationFilter.java:269)
>       at 
> org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:542)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>       at 
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>       at 
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>       at 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>       at 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
>       at 
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:615)
>       at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>       at 
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
>       at 
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
>       at 
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
>       at 
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
>       at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.sentry.provider.db.SentryAlreadyExistsException: Role: 
> role4. Server Stacktrace: 
> org.apache.sentry.provider.db.SentryAlreadyExistsException: Role: role4
>       at 
> org.apache.sentry.provider.db.service.persistent.SentryStore.createSentryRole(SentryStore.java:310)
>       at 
> org.apache.sentry.provider.db.generic.service.persistent.DelegateSentryStore.createRole(DelegateSentryStore.java:102)
>       at 
> org.apache.sentry.provider.db.generic.service.thrift.SentryGenericPolicyProcessor$2.handle(SentryGenericPolicyProcessor.java:284)
>       at 
> org.apache.sentry.provider.db.generic.service.thrift.SentryGenericPolicyProcessor.requestHandle(SentryGenericPolicyProcessor.java:173)
>       at 
> org.apache.sentry.provider.db.generic.service.thrift.SentryGenericPolicyProcessor.create_sentry_role(SentryGenericPolicyProcessor.java:279)
>       at 
> org.apache.sentry.provider.db.generic.service.thrift.SentryGenericPolicyService$Processor$create_sentry_role.getResult(SentryGenericPolicyService.java:773)
>       at 
> org.apache.sentry.provider.db.generic.service.thrift.SentryGenericPolicyService$Processor$create_sentry_role.getResult(SentryGenericPolicyService.java:758)
>       at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
>       at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
>       at 
> org.apache.thrift.TMultiplexedProcessor.process(TMultiplexedProcessor.java:123)
>       at 
> org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:285)
>       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)
>       at org.apache.sentry.service.thrift.Status.throwIfNotOk(Status.java:100)
>       at 
> org.apache.sentry.provider.db.generic.service.thrift.SentryGenericServiceClient.createRole(SentryGenericServiceClient.java:179)
>       at 
> org.apache.sentry.sqoop.binding.SqoopAuthBinding$1.run(SqoopAuthBinding.java:152)
>       at 
> org.apache.sentry.sqoop.binding.SqoopAuthBinding$1.run(SqoopAuthBinding.java:149)
>       at 
> org.apache.sentry.sqoop.binding.SqoopAuthBinding.execute(SqoopAuthBinding.java:383)
>       at 
> org.apache.sentry.sqoop.binding.SqoopAuthBinding.createRole(SqoopAuthBinding.java:149)
>       at 
> org.apache.sentry.sqoop.authz.SentryAccessController.createRole(SentryAccessController.java:50)
>       at 
> org.apache.sentry.sqoop.authz.SentryAuthorizationHander.createRole(SentryAuthorizationHander.java:54)
>       at 
> org.apache.sqoop.handler.AuthorizationRequestHandler.createRole(AuthorizationRequestHandler.java:215)
>       at 
> org.apache.sqoop.handler.AuthorizationRequestHandler.handleEvent(AuthorizationRequestHandler.java:96)
>       at 
> org.apache.sqoop.server.v1.AuthorizationServlet.handlePostRequest(AuthorizationServlet.java:80)
>       at 
> org.apache.sqoop.server.SqoopProtocolServlet.doPost(SqoopProtocolServlet.java:63)
>       at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
>       at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>       at 
> org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:572)
>       at 
> org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticationFilter.doFilter(DelegationTokenAuthenticationFilter.java:269)
>       at 
> org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:542)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>       at 
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>       at 
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>       at 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>       at 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
>       at 
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:615)
>       at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>       at 
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
>       at 
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
>       at 
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
>       at 
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
>       at java.lang.Thread.run(Thread.java:745)
> Results :
> Failed tests:
>   TestLinkEndToEnd.testUpdateDtestUpdateDeleteLinkeleteLink:122 ยป Sqoop 
> CLIENT_0...
> Tests run: 3, Failures: 1, Errors: 0, Skipped: 0
> {code}
> [~guoquan], could you help investigate this one. this error causes test to 
> fail intermittently. For example, if the first time run mvn 
> -Dtest=TestLinkEndToEnd test, test passes, but if run the second time, the 
> failure will pop up. it will be better it sooner. thanks!



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