[jira] [Created] (HDDS-1057) get key operation fails when client cannot communicate with 2 of the datanodes in 3 node cluster

["Nilotpal Nandi (JIRA)" <ji...@apache.org>]

Nilotpal Nandi created HDDS-1057:
------------------------------------

             Summary: get key operation fails when client cannot communicate with 2 of the datanodes in 3 node cluster
                 Key: HDDS-1057
                 URL: https://issues.apache.org/jira/browse/HDDS-1057
             Project: Hadoop Distributed Data Store
          Issue Type: Bug
          Components: Ozone Client
            Reporter: Nilotpal Nandi


steps taken :

------------------
 # created 3 node docker cluster.
 # wrote a key
 # created partition such that 2 out of 3 datanodes cannot communicate with any other node.
 # Third datanode can communicate with all other nodes.
 # Tried to read the key

Exception seen :

------------------------

 
{noformat}
Failed to execute command cmdType: GetBlock
E traceID: "9b3ebd93-e598-4ca2-a6f4-2389f2d35f63"
E containerID: 22
E datanodeUuid: "15345663-15c9-4fe3-9b8f-a46123ba8a6e"
E getBlock {
E blockID {
E containerID: 22
E localID: 101545011736215553
E blockCommitSequenceId: 5
E }
E }
E on datanode 15345663-15c9-4fe3-9b8f-a46123ba8a6e
E java.util.concurrent.ExecutionException: org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception
E at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357)
E at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1895)
E at org.apache.hadoop.hdds.scm.XceiverClientGrpc.sendCommandWithRetry(XceiverClientGrpc.java:220)
E at org.apache.hadoop.hdds.scm.XceiverClientGrpc.sendCommand(XceiverClientGrpc.java:201)
E at org.apache.hadoop.hdds.scm.storage.ContainerProtocolCalls.getBlock(ContainerProtocolCalls.java:118)
E at org.apache.hadoop.ozone.client.io.KeyInputStream.getFromOmKeyInfo(KeyInputStream.java:305)
E at org.apache.hadoop.ozone.client.rpc.RpcClient.getKey(RpcClient.java:608)
E at org.apache.hadoop.ozone.client.OzoneBucket.readKey(OzoneBucket.java:284)
E at org.apache.hadoop.ozone.web.ozShell.keys.GetKeyHandler.call(GetKeyHandler.java:95)
E at org.apache.hadoop.ozone.web.ozShell.keys.GetKeyHandler.call(GetKeyHandler.java:48)
E at picocli.CommandLine.execute(CommandLine.java:919)
E at picocli.CommandLine.access$700(CommandLine.java:104)
E at picocli.CommandLine$RunLast.handle(CommandLine.java:1083)
E at picocli.CommandLine$RunLast.handle(CommandLine.java:1051)
E at picocli.CommandLine$AbstractParseResultHandler.handleParseResult(CommandLine.java:959)
E at picocli.CommandLine.parseWithHandlers(CommandLine.java:1242)
E at picocli.CommandLine.parseWithHandler(CommandLine.java:1181)
E at org.apache.hadoop.hdds.cli.GenericCli.execute(GenericCli.java:61)
E at org.apache.hadoop.hdds.cli.GenericCli.run(GenericCli.java:52)
E at org.apache.hadoop.ozone.web.ozShell.Shell.main(Shell.java:83)
E Caused by: org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException: UNAVAILABLE: io exception
E at org.apache.ratis.thirdparty.io.grpc.Status.asRuntimeException(Status.java:526)
E at org.apache.ratis.thirdparty.io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:434)
E at org.apache.ratis.thirdparty.io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39)
E at org.apache.ratis.thirdparty.io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23)
E at org.apache.ratis.thirdparty.io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40)
E at org.apache.ratis.thirdparty.io.grpc.internal.CensusStatsModule$StatsClientInterceptor$1$1.onClose(CensusStatsModule.java:678)
E at org.apache.ratis.thirdparty.io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39)
E at org.apache.ratis.thirdparty.io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23)
E at org.apache.ratis.thirdparty.io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40)
E at org.apache.ratis.thirdparty.io.grpc.internal.CensusTracingModule$TracingClientInterceptor$1$1.onClose(CensusTracingModule.java:397)
E at org.apache.ratis.thirdparty.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:459)
E at org.apache.ratis.thirdparty.io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:63)
E at org.apache.ratis.thirdparty.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.close(ClientCallImpl.java:546)
E at org.apache.ratis.thirdparty.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.access$600(ClientCallImpl.java:467)
E at org.apache.ratis.thirdparty.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:584)
E at org.apache.ratis.thirdparty.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
E at org.apache.ratis.thirdparty.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
E at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
E at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
E at java.lang.Thread.run(Thread.java:748)
E Caused by: org.apache.ratis.thirdparty.io.netty.channel.ConnectTimeoutException: connection timed out: /172.20.0.7:9859
E at org.apache.ratis.thirdparty.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe$1.run(AbstractNioChannel.java:267)
E at org.apache.ratis.thirdparty.io.netty.util.concurrent.PromiseTask$RunnableAdapter.call(PromiseTask.java:38)
E at org.apache.ratis.thirdparty.io.netty.util.concurrent.ScheduledFutureTask.run(ScheduledFutureTask.java:127)
E at org.apache.ratis.thirdparty.io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
E at org.apache.ratis.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404)
E at org.apache.ratis.thirdparty.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:462)
E at org.apache.ratis.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:897)
E at org.apache.ratis.thirdparty.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
E ... 1 more
E Failed to execute command cmdType: GetBlock]
 
{noformat}
 



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