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https://issues.apache.org/jira/browse/HBASE-13084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14336043#comment-14336043
]
stack commented on HBASE-13084:
-------------------------------
Of course. Try anything to get tests passing again [~ram_krish] Can always back
it out.
> Add labels to VisibilityLabelsCache asynchronously causes TestShell flakey
> --------------------------------------------------------------------------
>
> Key: HBASE-13084
> URL: https://issues.apache.org/jira/browse/HBASE-13084
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: zhangduo
> Assignee: zhangduo
> Fix For: 2.0.0, 1.1.0
>
> Attachments: HBASE-13084.patch, HBASE-13084_1.patch,
> HBASE-13084_2.patch, HBASE-13084_2.patch, HBASE-13084_2.patch,
> HBASE-13084_2.patch
>
>
> As discussed in HBASE-12953, we found this error in PreCommit log
> https://builds.apache.org/job/PreCommit-HBASE-Build/12918/artifact/hbase-shell/target/surefire-reports/org.apache.hadoop.hbase.client.TestShell-output.txt
> {noformat}
> 1) Error:
> test_The_get/put_methods_should_work_for_data_written_with_Visibility(Hbase::VisibilityLabelsAdminMethodsTest):
> ArgumentError: org.apache.hadoop.hbase.DoNotRetryIOException:
> org.apache.hadoop.hbase.security.visibility.InvalidLabelException: Label
> 'TEST_VISIBILITY' doesn't exists
> at
> org.apache.hadoop.hbase.security.visibility.VisibilityController.setAuths(VisibilityController.java:808)
> at
> org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos$VisibilityLabelsService$1.setAuths(VisibilityLabelsProtos.java:6036)
> at
> org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos$VisibilityLabelsService.callMethod(VisibilityLabelsProtos.java:6219)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.execService(HRegion.java:6867)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.execServiceOnRegion(RSRpcServices.java:1707)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.execService(RSRpcServices.java:1689)
> at
> org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:31309)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2038)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:107)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:130)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:107)
> at java.lang.Thread.run(Thread.java:744)
>
> /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-shell/src/main/ruby/hbase/visibility_labels.rb:84:in
> `set_auths'
> ./src/test/ruby/hbase/visibility_labels_admin_test.rb:77:in
> `test_The_get/put_methods_should_work_for_data_written_with_Visibility'
> org/jruby/RubyProc.java:270:in `call'
> org/jruby/RubyKernel.java:2105:in `send'
> org/jruby/RubyArray.java:1620:in `each'
> org/jruby/RubyArray.java:1620:in `each'
> 2) Error:
> test_The_set/clear_methods_should_work_with_authorizations(Hbase::VisibilityLabelsAdminMethodsTest):
> ArgumentError: No authentication set for the given user jenkins
>
> /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-shell/src/main/ruby/hbase/visibility_labels.rb:97:in
> `get_auths'
> ./src/test/ruby/hbase/visibility_labels_admin_test.rb:57:in
> `test_The_set/clear_methods_should_work_with_authorizations'
> org/jruby/RubyProc.java:270:in `call'
> org/jruby/RubyKernel.java:2105:in `send'
> org/jruby/RubyArray.java:1620:in `each'
> org/jruby/RubyArray.java:1620:in `each'
> {noformat}
> This is the test code
> {code:title=visibility_labels_admin_test.rb}
> label = 'TEST_VISIBILITY'
> user = org.apache.hadoop.hbase.security.User.getCurrent().getName();
> visibility_admin.add_labels(label)
> visibility_admin.set_auths(user, label)
> {code}
> It says 'label does not exists' when calling set_auths.
> Then I add some ugly logs in DefaultVisibilityLabelServiceImpl and
> VisibilityLabelsCache.
> {code:title=DefaultVisibilityLabelServiceImpl.java}
> public OperationStatus[] addLabels(List<byte[]> labels) throws IOException {
> ...
> if (mutateLabelsRegion(puts, finalOpStatus)) {
> updateZk(true);
> }
> for (byte[] label : labels) {
> String labelStr = Bytes.toString(label);
> LOG.info(labelStr + "=====" +
> this.labelsCache.getLabelOrdinal(labelStr));
> }
> ...
> }
> {code}
> {code:title=VisibilityLabelsCache.java}
> public void refreshLabelsCache(byte[] data) throws IOException {
> LOG.info("========refresh", new Exception());
> ...
> }
> {code}
> And I modified TestVisibilityLabelsWithCustomVisLabService to use
> DefaultVisibilityLabelServiceImpl, then collected the logs of setupBeforeClass
> {noformat}
> 2015-02-21 20:39:16,362 INFO
> [B.defaultRpcServer.handler=0,queue=0,port=42678]
> visibility.DefaultVisibilityLabelServiceImpl(236): secret=====0
> 2015-02-21 20:39:16,362 INFO
> [B.defaultRpcServer.handler=0,queue=0,port=42678]
> visibility.DefaultVisibilityLabelServiceImpl(236): topsecret=====0
> 2015-02-21 20:39:16,362 INFO
> [B.defaultRpcServer.handler=0,queue=0,port=42678]
> visibility.DefaultVisibilityLabelServiceImpl(236): confidential=====0
> 2015-02-21 20:39:16,362 INFO
> [B.defaultRpcServer.handler=0,queue=0,port=42678]
> visibility.DefaultVisibilityLabelServiceImpl(236): public=====0
> 2015-02-21 20:39:16,362 INFO
> [B.defaultRpcServer.handler=0,queue=0,port=42678]
> visibility.DefaultVisibilityLabelServiceImpl(236): private=====0
> 2015-02-21 20:39:16,362 INFO
> [B.defaultRpcServer.handler=0,queue=0,port=42678]
> visibility.DefaultVisibilityLabelServiceImpl(236): ©ABC=====0
> 2015-02-21 20:39:16,362 INFO
> [B.defaultRpcServer.handler=0,queue=0,port=42678]
> visibility.DefaultVisibilityLabelServiceImpl(236): ु=====0
> 2015-02-21 20:39:16,362 INFO
> [B.defaultRpcServer.handler=0,queue=0,port=42678]
> visibility.DefaultVisibilityLabelServiceImpl(236): ©ABC"ु\secret"'&\=====0
> 2015-02-21 20:39:16,363 INFO
> [B.defaultRpcServer.handler=0,queue=0,port=42678]
> visibility.DefaultVisibilityLabelServiceImpl(236): '"+=====0
> 2015-02-21 20:39:16,363 INFO
> [B.defaultRpcServer.handler=0,queue=0,port=42678]
> visibility.DefaultVisibilityLabelServiceImpl(236): -?=====0
> 2015-02-21 20:39:16,363 INFO [main-EventThread]
> visibility.VisibilityLabelsCache(115): ========refresh
> java.lang.Exception
> at
> org.apache.hadoop.hbase.security.visibility.VisibilityLabelsCache.refreshLabelsCache(VisibilityLabelsCache.java:115)
> at
> org.apache.hadoop.hbase.security.visibility.ZKVisibilityLabelWatcher.refreshVisibilityLabelsCache(ZKVisibilityLabelWatcher.java:76)
> at
> org.apache.hadoop.hbase.security.visibility.ZKVisibilityLabelWatcher.nodeDataChanged(ZKVisibilityLabelWatcher.java:115)
> at
> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:412)
> at
> org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:522)
> at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:498)
> {noformat}
> We can see that, refresh is triggered from a background zk watcher, and it is
> possible that the labels are not in labelsCache after addLabels being called.
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