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huaxiang sun commented on HBASE-17904: -------------------------------------- I think so [~saint....@gmail.com]. HBASE-16775 is supposed to fix the flakey test for testExportRetry. It failed in the precommit test. Copy @appy to get more input, thanks. {code} 2017-04-15 14:14:39,440 ERROR [Time-limited test] snapshot.ExportSnapshot(1067): Snapshot export failed org.apache.hadoop.hbase.snapshot.ExportSnapshotException: Copy Files Map-Reduce Job failed at org.apache.hadoop.hbase.snapshot.ExportSnapshot.runCopyJob(ExportSnapshot.java:831) at org.apache.hadoop.hbase.snapshot.ExportSnapshot.doWork(ExportSnapshot.java:1046) at org.apache.hadoop.hbase.util.AbstractHBaseTool.run(AbstractHBaseTool.java:154) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.hadoop.hbase.snapshot.TestExportSnapshot.testExportFileSystemState(TestExportSnapshot.java:232) at org.apache.hadoop.hbase.snapshot.TestExportSnapshot.testExportRetry(TestExportSnapshot.java:273) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55) at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298) at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.lang.Thread.run(Thread.java:745) {code} > Get runs into NoSuchElementException when using Read Replica, with hbase. > ipc.client.specificThreadForWriting to be true and hbase.rpc.client.impl to > be org.apache.hadoop.hbase.ipc.RpcClientImpl > -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- > > Key: HBASE-17904 > URL: https://issues.apache.org/jira/browse/HBASE-17904 > Project: HBase > Issue Type: Bug > Components: Client, IPC/RPC > Affects Versions: 2.0.0, 1.4.0, 1.5.0 > Reporter: huaxiang sun > Assignee: huaxiang sun > Fix For: 2.0.0, 1.4.0, 1.5.0 > > Attachments: HBASE-17904-master-v001.patch, > HBASE-17904-master-v002.patch, HBASE-17904-master-v002.patch > > > When testing read replica with 2.0.0 code, with the following config > {code} > <property> > <name>hbase.ipc.client.specificThreadForWriting</name> > <value>true</value> > </property> > <property> > <name>hbase.rpc.client.impl</name> > <value>org.apache.hadoop.hbase.ipc.RpcClientImpl</value> > </property> > {code} > The hbase client runs into the following exception > {code} > Exception in thread "main" java.util.NoSuchElementException > at java.util.ArrayDeque.removeFirst(ArrayDeque.java:280) > at java.util.ArrayDeque.remove(ArrayDeque.java:447) > at > org.apache.hadoop.hbase.ipc.BlockingRpcConnection$CallSender.remove(BlockingRpcConnection.java:159) > at > org.apache.hadoop.hbase.ipc.BlockingRpcConnection$3.run(BlockingRpcConnection.java:760) > at > org.apache.hadoop.hbase.ipc.HBaseRpcControllerImpl.startCancel(HBaseRpcControllerImpl.java:229) > at > org.apache.hadoop.hbase.client.CancellableRegionServerCallable.cancel(CancellableRegionServerCallable.java:86) > at > org.apache.hadoop.hbase.client.ResultBoundedCompletionService$QueueingFuture.cancel(ResultBoundedCompletionService.java:106) > at > org.apache.hadoop.hbase.client.ResultBoundedCompletionService.cancelAll(ResultBoundedCompletionService.java:274) > at > org.apache.hadoop.hbase.client.RpcRetryingCallerWithReadReplicas.call(RpcRetryingCallerWithReadReplicas.java:224) > at org.apache.hadoop.hbase.client.HTable.get(HTable.java:445) > at org.apache.hadoop.hbase.client.HTable.get(HTable.java:409) > at HBaseThreadedGet.doWork(HBaseThreadedGet.java:45) > at HBaseThreadedGet.main(HBaseThreadedGet.java:19) > {code} -- This message was sent by Atlassian JIRA (v6.3.15#6346)