Return-Path: X-Original-To: apmail-accumulo-notifications-archive@minotaur.apache.org Delivered-To: apmail-accumulo-notifications-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 8F04F18028 for ; Thu, 2 Jul 2015 13:46:05 +0000 (UTC) Received: (qmail 56652 invoked by uid 500); 2 Jul 2015 13:46:05 -0000 Delivered-To: apmail-accumulo-notifications-archive@accumulo.apache.org Received: (qmail 56620 invoked by uid 500); 2 Jul 2015 13:46:05 -0000 Mailing-List: contact notifications-help@accumulo.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: jira@apache.org Delivered-To: mailing list notifications@accumulo.apache.org Received: (qmail 56603 invoked by uid 99); 2 Jul 2015 13:46:05 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 02 Jul 2015 13:46:05 +0000 Date: Thu, 2 Jul 2015 13:46:05 +0000 (UTC) From: "Sean Busbey (JIRA)" To: notifications@accumulo.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (ACCUMULO-3914) Restarting HDFS caused scan to fail MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/ACCUMULO-3914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14611970#comment-14611970 ] Sean Busbey commented on ACCUMULO-3914: --------------------------------------- was this only a problem in master? {quote} I think most of the time, we've made the decision to keep retrying as long as possible in our use of HDSF. This has helped us make a more overall "stable" product in that I definitively know that I can kill -9 HDFS, go get lunch, restart it when I get back, and Accumulo will happily start working again. Is the retry policy something we can do locally and not globally (not in hdfs-site.xml)? {quote} Accumulo's hdfs-site.xml file need not match the one used by e.g. the DataNodes or other clients. > Restarting HDFS caused scan to fail > ------------------------------------ > > Key: ACCUMULO-3914 > URL: https://issues.apache.org/jira/browse/ACCUMULO-3914 > Project: Accumulo > Issue Type: Bug > Reporter: Keith Turner > Assignee: Eric Newton > Fix For: 1.8.0 > > Attachments: ACCUMULO-3914-001.patch > > > I was running random walk to test 1.6.3 RC1. I had an incorrect hdfs config. I changed the hdfs config and restarted hdfs while the test was running. I would not have expected this to cause problems, but it caused scans to fail. > Below are client logs from RW. > {noformat} > 23 14:37:36,547 [randomwalk.Framework] ERROR: Error during random walk > java.lang.Exception: Error running node Conditional.xml > at org.apache.accumulo.test.randomwalk.Module.visit(Module.java:344) > at org.apache.accumulo.test.randomwalk.Framework.run(Framework.java:63) > at org.apache.accumulo.test.randomwalk.Framework.main(Framework.java:122) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at org.apache.accumulo.start.Main$1.run(Main.java:141) > at java.lang.Thread.run(Thread.java:745) > Caused by: java.lang.Exception: Error running node ct.Transfer > at org.apache.accumulo.test.randomwalk.Module.visit(Module.java:344) > at org.apache.accumulo.test.randomwalk.Module$1.call(Module.java:281) > at org.apache.accumulo.test.randomwalk.Module$1.call(Module.java:276) > at java.util.concurrent.FutureTask.run(FutureTask.java:262) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) > at java.util.concurrent.FutureTask.run(FutureTask.java:262) > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47) > at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34) > ... 1 more > Caused by: java.lang.RuntimeException: org.apache.accumulo.core.client.impl.AccumuloServerException: Error on server worker0:9997 > at org.apache.accumulo.core.client.impl.ScannerIterator.hasNext(ScannerIterator.java:187) > at org.apache.accumulo.core.client.IsolatedScanner$RowBufferingIterator.readRow(IsolatedScanner.java:69) > at org.apache.accumulo.core.client.IsolatedScanner$RowBufferingIterator.(IsolatedScanner.java:148) > at org.apache.accumulo.core.client.IsolatedScanner.iterator(IsolatedScanner.java:236) > at org.apache.accumulo.test.randomwalk.conditional.Transfer.visit(Transfer.java:91) > ... 10 more > Caused by: org.apache.accumulo.core.client.impl.AccumuloServerException: Error on server worker0:9997 > at org.apache.accumulo.core.client.impl.ThriftScanner.scan(ThriftScanner.java:287) > at org.apache.accumulo.core.client.impl.ScannerIterator$Reader.run(ScannerIterator.java:84) > at org.apache.accumulo.core.client.impl.ScannerIterator.hasNext(ScannerIterator.java:177) > ... 14 more > Caused by: org.apache.thrift.TApplicationException: Internal error processing startScan > at org.apache.thrift.TApplicationException.read(TApplicationException.java:111) > at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:71) > at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.recv_startScan(TabletClientService.java:228) > at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Client.startScan(TabletClientService.java:204) > at org.apache.accumulo.core.client.impl.ThriftScanner.scan(ThriftScanner.java:403) > at org.apache.accumulo.core.client.impl.ThriftScanner.scan(ThriftScanner.java:279) > ... 16 more > {noformat} > Below are logs from the tserver. > {noformat} > 2015-06-23 14:37:36,553 [thrift.ProcessFunction] ERROR: Internal error processing startScan > org.apache.thrift.TException: java.util.concurrent.ExecutionException: java.net.ConnectException: Call From worker0/10.1.5.184 to leader2:10000 failed on connection exception: java.net.ConnectException: Connection refused; For more detai > ls see: http://wiki.apache.org/hadoop/ConnectionRefused > at org.apache.accumulo.server.util.RpcWrapper$1.invoke(RpcWrapper.java:51) > at com.sun.proxy.$Proxy17.startScan(Unknown Source) > at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$startScan.getResult(TabletClientService.java:2179) > at org.apache.accumulo.core.tabletserver.thrift.TabletClientService$Processor$startScan.getResult(TabletClientService.java:2163) > at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39) > at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39) > at org.apache.accumulo.server.util.TServerUtils$TimedProcessor.process(TServerUtils.java:168) > at org.apache.thrift.server.AbstractNonblockingServer$FrameBuffer.invoke(AbstractNonblockingServer.java:516) > at org.apache.accumulo.server.util.CustomNonBlockingServer$1.run(CustomNonBlockingServer.java:77) > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47) > at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34) > at java.lang.Thread.run(Thread.java:745) > 2015-06-23 14:37:36,556 [tserver.TabletServer] WARN : exception while scanning tablet b;b174< > java.net.ConnectException: Call From worker0/10.1.5.184 to leader2:10000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) > at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) > at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > at java.lang.reflect.Constructor.newInstance(Constructor.java:526) > at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:791) > at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:731) > at org.apache.hadoop.ipc.Client.call(Client.java:1472) > at org.apache.hadoop.ipc.Client.call(Client.java:1399) > at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232) > at com.sun.proxy.$Proxy15.getBlockLocations(Unknown Source) > at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getBlockLocations(ClientNamenodeProtocolTranslatorPB.java:254) > at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source) > at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187) > at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102) > at com.sun.proxy.$Proxy16.getBlockLocations(Unknown Source) > at org.apache.hadoop.hdfs.DFSClient.callGetBlockLocations(DFSClient.java:1220) > at org.apache.hadoop.hdfs.DFSClient.getLocatedBlocks(DFSClient.java:1210) > at org.apache.hadoop.hdfs.DFSClient.getLocatedBlocks(DFSClient.java:1200) > at org.apache.hadoop.hdfs.DFSInputStream.fetchLocatedBlocksAndGetLastBlockLength(DFSInputStream.java:271) > at org.apache.hadoop.hdfs.DFSInputStream.openInfo(DFSInputStream.java:238) > at org.apache.hadoop.hdfs.DFSInputStream.(DFSInputStream.java:231) > at org.apache.hadoop.hdfs.DFSClient.open(DFSClient.java:1498) > at org.apache.hadoop.hdfs.DistributedFileSystem$3.doCall(DistributedFileSystem.java:302) > at org.apache.hadoop.hdfs.DistributedFileSystem$3.doCall(DistributedFileSystem.java:298) > at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) > at org.apache.hadoop.hdfs.DistributedFileSystem.open(DistributedFileSystem.java:298) > at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:766) > at org.apache.accumulo.core.file.blockfile.impl.CachableBlockFile$Reader.getBCFile(CachableBlockFile.java:263) > at org.apache.accumulo.core.file.blockfile.impl.CachableBlockFile$Reader.access$100(CachableBlockFile.java:144) > at org.apache.accumulo.core.file.blockfile.impl.CachableBlockFile$Reader$RawBlockLoader.get(CachableBlockFile.java:195) > at org.apache.accumulo.core.file.blockfile.impl.CachableBlockFile$Reader.getBlock(CachableBlockFile.java:320) > at org.apache.accumulo.core.file.blockfile.impl.CachableBlockFile$Reader.getDataBlock(CachableBlockFile.java:400) > at org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader.getDataBlock(RFile.java:590) > at org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader._seek(RFile.java:715) > at org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader.seek(RFile.java:607) > at org.apache.accumulo.core.iterators.system.LocalityGroupIterator.seek(LocalityGroupIterator.java:138) > at org.apache.accumulo.core.file.rfile.RFile$Reader.seek(RFile.java:980) > at org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.readNext(SourceSwitchingIterator.java:135) > at org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.seek(SourceSwitchingIterator.java:182) > at org.apache.accumulo.server.problems.ProblemReportingIterator.seek(ProblemReportingIterator.java:94) > at org.apache.accumulo.core.iterators.system.MultiIterator.seek(MultiIterator.java:105) > at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.system.StatsIterator.seek(StatsIterator.java:64) > at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.system.DeletingIterator.seek(DeletingIterator.java:67) > at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.SkippingIterator.seek(SkippingIterator.java:42) > at org.apache.accumulo.core.iterators.system.ColumnFamilySkippingIterator.seek(ColumnFamilySkippingIterator.java:123) > at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.Filter.seek(Filter.java:64) > at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.Filter.seek(Filter.java:64) > at org.apache.accumulo.core.iterators.system.SynchronizedIterator.seek(SynchronizedIterator.java:56) > at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.user.VersioningIterator.seek(VersioningIterator.java:81) > at org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.readNext(SourceSwitchingIterator.java:135) > at org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.seek(SourceSwitchingIterator.java:182) > at org.apache.accumulo.tserver.Tablet.nextBatch(Tablet.java:1664) > at org.apache.accumulo.tserver.Tablet.access$3200(Tablet.java:174) > at org.apache.accumulo.tserver.Tablet$Scanner.read(Tablet.java:1804) > at org.apache.accumulo.tserver.TabletServer$ThriftClientHandler$NextBatchTask.run(TabletServer.java:1081) > at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47) > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47) > at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34) > at java.lang.Thread.run(Thread.java:745) > Caused by: java.net.ConnectException: Connection refused > at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) > at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) > at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206) > at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:530) > at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:494) > at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:607) > at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:705) > at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:368) > at org.apache.hadoop.ipc.Client.getConnection(Client.java:1521) > at org.apache.hadoop.ipc.Client.call(Client.java:1438) > ... 62 more > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)