Looks like they are up. I see the following on one of the nodes but both look generally the same (1 live datanode).
[hadoop@localhost bin]$ hdfs dfsadmin -report 14/10/01 12:51:56 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable Configured Capacity: 40797364224 (38.00 GB) Present Capacity: 37030862848 (34.49 GB) DFS Remaining: 37030830080 (34.49 GB) DFS Used: 32768 (32 KB) DFS Used%: 0.00% Under replicated blocks: 0 Blocks with corrupt replicas: 0 Missing blocks: 0 ------------------------------------------------- Datanodes available: 1 (1 total, 0 dead) Live datanodes: Name: 127.0.0.1:50010 (localhost) Hostname: localhost Decommission Status : Normal Configured Capacity: 40797364224 (38.00 GB) DFS Used: 32768 (32 KB) Non DFS Used: 3766501376 (3.51 GB) DFS Remaining: 37030830080 (34.49 GB) DFS Used%: 0.00% DFS Remaining%: 90.77% Configured Cache Capacity: 0 (0 B) Cache Used: 0 (0 B) Cache Remaining: 0 (0 B) Cache Used%: 100.00% Cache Remaining%: 0.00% Last contact: Wed Oct 01 12:51:57 UTC 2014 I don’t know how to demonstrate that they are accessible except to telnet into each of them. Right now that test shows that both nodes accept the connection to port 50010. Is there some other test I can perform? Thanks, -Ed On Oct 1, 2014, at 12:31 AM, Hari Shreedharan <[email protected]> wrote: > Looks like one data node is inaccessible or down - so the HDFS client has > black listed it and the writes are failing as blocks are allocated to that > one. > > Thanks, > Hari > > > On Tue, Sep 30, 2014 at 7:33 PM, Ed Judge <[email protected]> wrote: > > I’ve pulled over all of the Hadoop jar files for my flume instance to use. I > am seeing some slightly different errors now. Basically I have 2 identically > configured hadoop instances on the same subnet. Running flume on those same > instances and pointing flume at the local hadoop/hdfs instance works fine and > the files get written. However, when I point it to the adjacent hadoop/hdfs > instance I get many exceptions/errors (show below) and the files never get > written. Here is my HDFS sink configuration on 10.0.0.14: > > # Describe the sink > a1.sinks.k1.type = hdfs > a1.sinks.k1.hdfs.path = hdfs://10.0.0.16:9000/tmp/ > a1.sinks.k1.hdfs.filePrefix = twitter > a1.sinks.k1.hdfs.fileSuffix = .ds > a1.sinks.k1.hdfs.rollInterval = 0 > a1.sinks.k1.hdfs.rollSize = 10 > a1.sinks.k1.hdfs.rollCount = 0 > a1.sinks.k1.hdfs.fileType = DataStream > #a1.sinks.k1.serializer = TEXT > a1.sinks.k1.channel = c1 > > Any idea why this is not working? > > Thanks. > > 01 Oct 2014 01:59:45,098 INFO > [SinkRunner-PollingRunner-DefaultSinkProcessor] > (org.apache.flume.sink.hdfs.HDFSDataStream.configure:58) - Serializer = > TEXT, UseRawLocalFileSystem = false > 01 Oct 2014 01:59:45,385 INFO > [SinkRunner-PollingRunner-DefaultSinkProcessor] > (org.apache.flume.sink.hdfs.BucketWriter.open:261) - Creating > hdfs://10.0.0.16:9000/tmp//twitter.1412128785099.ds.tmp > 01 Oct 2014 01:59:45,997 INFO [Twitter4J Async Dispatcher[0]] > (org.apache.flume.source.twitter.TwitterSource.onStatus:178) - Processed 100 > docs > 01 Oct 2014 01:59:47,754 INFO [Twitter4J Async Dispatcher[0]] > (org.apache.flume.source.twitter.TwitterSource.onStatus:178) - Processed 200 > docs > 01 Oct 2014 01:59:49,379 INFO [Thread-7] > (org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.createBlockOutputStream:1378) > - Exception in createBlockOutputStream > java.io.EOFException: Premature EOF: no length prefix available > at > org.apache.hadoop.hdfs.protocolPB.PBHelper.vintPrefixed(PBHelper.java:1987) > at > org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.createBlockOutputStream(DFSOutputStream.java:1346) > at > org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1272) > at > org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:525) > 01 Oct 2014 01:59:49,390 INFO [Thread-7] > (org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream:1275) > - Abandoning BP-1768727495-127.0.0.1-1412117897373:blk_1073743575_2751 > 01 Oct 2014 01:59:49,398 INFO [Thread-7] > (org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream:1278) > - Excluding datanode 127.0.0.1:50010 > 01 Oct 2014 01:59:49,431 WARN [Thread-7] > (org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run:627) - DataStreamer > Exception > org.apache.hadoop.ipc.RemoteException(java.io.IOException): File > /tmp/twitter.1412128785099.ds.tmp could only be replicated to 0 nodes instead > of minReplication (=1). There are 1 datanode(s) running and 1 node(s) are > excluded in this operation. > at > org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget(BlockManager.java:1430) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:2684) > at > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:584) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:440) > at > org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:585) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2013) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2009) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:415) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2007) > > at org.apache.hadoop.ipc.Client.call(Client.java:1410) > at org.apache.hadoop.ipc.Client.call(Client.java:1363) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206) > at com.sun.proxy.$Proxy18.addBlock(Unknown Source) > 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.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:190) > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:103) > at com.sun.proxy.$Proxy18.addBlock(Unknown Source) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.addBlock(ClientNamenodeProtocolTranslatorPB.java:361) > at > org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.locateFollowingBlock(DFSOutputStream.java:1439) > at > org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1261) > at > org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:525) > 01 Oct 2014 01:59:49,437 WARN [hdfs-k1-call-runner-2] > (org.apache.hadoop.hdfs.DFSOutputStream.flushOrSync:1950) - Error while > syncing > org.apache.hadoop.ipc.RemoteException(java.io.IOException): File > /tmp/twitter.1412128785099.ds.tmp could only be replicated to 0 nodes instead > of minReplication (=1). There are 1 datanode(s) running and 1 node(s) are > excluded in this operation. > at > org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget(BlockManager.java:1430) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:2684) > at > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:584) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:440) > at > org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:585) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2013) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2009) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:415) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2007) > > at org.apache.hadoop.ipc.Client.call(Client.java:1410) > at org.apache.hadoop.ipc.Client.call(Client.java:1363) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206) > at com.sun.proxy.$Proxy18.addBlock(Unknown Source) > 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.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:190) > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:103) > at com.sun.proxy.$Proxy18.addBlock(Unknown Source) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.addBlock(ClientNamenodeProtocolTranslatorPB.java:361) > at > org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.locateFollowingBlock(DFSOutputStream.java:1439) > at > org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1261) > at > org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:525) > 01 Oct 2014 01:59:49,439 WARN > [SinkRunner-PollingRunner-DefaultSinkProcessor] > (org.apache.flume.sink.hdfs.HDFSEventSink.process:463) - HDFS IO error > org.apache.hadoop.ipc.RemoteException(java.io.IOException): File > /tmp/twitter.1412128785099.ds.tmp could only be replicated to 0 nodes instead > of minReplication (=1). There are 1 datanode(s) running and 1 node(s) are > excluded in this operation. > > On Sep 30, 2014, at 3:18 PM, Hari Shreedharan <[email protected]> > wrote: > >> You'd need to add the jars that hadoop itself depends on. Flume pulls it in >> if Hadoop is installed on that machine, else you'd need to manually download >> it and install it. If you are using Hadoop 2.x, install the RPM provided by >> Bigtop. >> >> On Tue, Sep 30, 2014 at 12:12 PM, Ed Judge <[email protected]> wrote: >> I added commons-configuration and there is now another missing dependency. >> What do you mean by “all of Hadoop’s dependencies”? >> >> >> On Sep 30, 2014, at 2:51 PM, Hari Shreedharan <[email protected]> >> wrote: >> >>> You actually need to add of all Hadoop’s dependencies to Flume classpath. >>> Looks like Apache Commons Configuration is missing in classpath. >>> >>> Thanks, >>> Hari >>> >>> >>> On Tue, Sep 30, 2014 at 11:48 AM, Ed Judge <[email protected]> wrote: >>> >>> Thank you. I am using hadoop 2.5 which I think uses >>> protobuf-java-2.5.0.jar. >>> >>> I am getting the following error even after adding those 2 jar files to my >>> flume-ng classpath: >>> >>> 30 Sep 2014 18:27:03,269 INFO [lifecycleSupervisor-1-0] >>> (org.apache.flume.node.PollingPropertiesFileConfigurationProvider.start:61) >>> - Configuration provider starting >>> 30 Sep 2014 18:27:03,278 INFO [conf-file-poller-0] >>> (org.apache.flume.node.PollingPropertiesFileConfigurationProvider$FileWatcherRunnable.run:133) >>> - Reloading configuration file:./src.conf >>> 30 Sep 2014 18:27:03,288 INFO [conf-file-poller-0] >>> (org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016) >>> - Processing:k1 >>> 30 Sep 2014 18:27:03,289 INFO [conf-file-poller-0] >>> (org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:930) >>> - Added sinks: k1 Agent: a1 >>> 30 Sep 2014 18:27:03,289 INFO [conf-file-poller-0] >>> (org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016) >>> - Processing:k1 >>> 30 Sep 2014 18:27:03,292 WARN [conf-file-poller-0] >>> (org.apache.flume.conf.FlumeConfiguration.<init>:101) - Configuration >>> property ignored: i# = Describe the sink >>> 30 Sep 2014 18:27:03,292 INFO [conf-file-poller-0] >>> (org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016) >>> - Processing:k1 >>> 30 Sep 2014 18:27:03,292 INFO [conf-file-poller-0] >>> (org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016) >>> - Processing:k1 >>> 30 Sep 2014 18:27:03,293 INFO [conf-file-poller-0] >>> (org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016) >>> - Processing:k1 >>> 30 Sep 2014 18:27:03,293 INFO [conf-file-poller-0] >>> (org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016) >>> - Processing:k1 >>> 30 Sep 2014 18:27:03,293 INFO [conf-file-poller-0] >>> (org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016) >>> - Processing:k1 >>> 30 Sep 2014 18:27:03,293 INFO [conf-file-poller-0] >>> (org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016) >>> - Processing:k1 >>> 30 Sep 2014 18:27:03,293 INFO [conf-file-poller-0] >>> (org.apache.flume.conf.FlumeConfiguration$AgentConfiguration.addProperty:1016) >>> - Processing:k1 >>> 30 Sep 2014 18:27:03,312 INFO [conf-file-poller-0] >>> (org.apache.flume.conf.FlumeConfiguration.validateConfiguration:140) - >>> Post-validation flume configuration contains configuration for agents: [a1] >>> 30 Sep 2014 18:27:03,312 INFO [conf-file-poller-0] >>> (org.apache.flume.node.AbstractConfigurationProvider.loadChannels:150) - >>> Creating channels >>> 30 Sep 2014 18:27:03,329 INFO [conf-file-poller-0] >>> (org.apache.flume.channel.DefaultChannelFactory.create:40) - Creating >>> instance of channel c1 type memory >>> 30 Sep 2014 18:27:03,351 INFO [conf-file-poller-0] >>> (org.apache.flume.node.AbstractConfigurationProvider.loadChannels:205) - >>> Created channel c1 >>> 30 Sep 2014 18:27:03,352 INFO [conf-file-poller-0] >>> (org.apache.flume.source.DefaultSourceFactory.create:39) - Creating >>> instance of source r1, type org.apache.flume.source.twitter.TwitterSource >>> 30 Sep 2014 18:27:03,363 INFO [conf-file-poller-0] >>> (org.apache.flume.source.twitter.TwitterSource.configure:110) - Consumer >>> Key: 'tobhMtidckJoe1tByXDmI4pW3' >>> 30 Sep 2014 18:27:03,363 INFO [conf-file-poller-0] >>> (org.apache.flume.source.twitter.TwitterSource.configure:111) - Consumer >>> Secret: '6eZKRpd6JvGT3Dg9jtd9fG9UMEhBzGxoLhLUGP1dqzkKznrXuQ' >>> 30 Sep 2014 18:27:03,363 INFO [conf-file-poller-0] >>> (org.apache.flume.source.twitter.TwitterSource.configure:112) - Access >>> Token: '1588514408-o36mOSbXYCVacQ3p6Knsf6Kho17iCwNYLZyA9V5' >>> 30 Sep 2014 18:27:03,364 INFO [conf-file-poller-0] >>> (org.apache.flume.source.twitter.TwitterSource.configure:113) - Access >>> Token Secret: 'vBtp7wKsi2BOQqZSBpSBQSgZcc93oHea38T9OdckDCLKn' >>> 30 Sep 2014 18:27:03,825 INFO [conf-file-poller-0] >>> (org.apache.flume.sink.DefaultSinkFactory.create:40) - Creating instance >>> of sink: k1, type: hdfs >>> 30 Sep 2014 18:27:03,874 ERROR [conf-file-poller-0] >>> (org.apache.flume.node.PollingPropertiesFileConfigurationProvider$FileWatcherRunnable.run:145) >>> - Failed to start agent because dependencies were not found in classpath. >>> Error follows. >>> java.lang.NoClassDefFoundError: >>> org/apache/commons/configuration/Configuration >>> at >>> org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.<init>(DefaultMetricsSystem.java:38) >>> at >>> org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.<clinit>(DefaultMetricsSystem.java:36) >>> at >>> org.apache.hadoop.security.UserGroupInformation$UgiMetrics.create(UserGroupInformation.java:106) >>> at >>> org.apache.hadoop.security.UserGroupInformation.<clinit>(UserGroupInformation.java:208) >>> at >>> org.apache.flume.sink.hdfs.HDFSEventSink.authenticate(HDFSEventSink.java:553) >>> at >>> org.apache.flume.sink.hdfs.HDFSEventSink.configure(HDFSEventSink.java:272) >>> at org.apache.flume.conf.Configurables.configure(Configurables.java:41) >>> at >>> org.apache.flume.node.AbstractConfigurationProvider.loadSinks(AbstractConfigurationProvider.java:418) >>> at >>> org.apache.flume.node.AbstractConfigurationProvider.getConfiguration(AbstractConfigurationProvider.java:103) >>> at >>> org.apache.flume.node.PollingPropertiesFileConfigurationProvider$FileWatcherRunnable.run(PollingPropertiesFileConfigurationProvider.java:140) >>> at >>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) >>> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304) >>> at >>> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178) >>> at >>> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) >>> 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) >>> Caused by: java.lang.ClassNotFoundException: >>> org.apache.commons.configuration.Configuration >>> at java.net.URLClassLoader$1.run(URLClassLoader.java:366) >>> at java.net.URLClassLoader$1.run(URLClassLoader.java:355) >>> at java.security.AccessController.doPrivileged(Native Method) >>> at java.net.URLClassLoader.findClass(URLClassLoader.java:354) >>> at java.lang.ClassLoader.loadClass(ClassLoader.java:425) >>> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) >>> at java.lang.ClassLoader.loadClass(ClassLoader.java:358) >>> ... 17 more >>> 30 Sep 2014 18:27:33,491 INFO [agent-shutdown-hook] >>> (org.apache.flume.lifecycle.LifecycleSupervisor.stop:79) - Stopping >>> lifecycle supervisor 10 >>> 30 Sep 2014 18:27:33,493 INFO [agent-shutdown-hook] >>> (org.apache.flume.node.PollingPropertiesFileConfigurationProvider.stop:83) >>> - Configuration provider stopping >>> [vagrant@localhost 6]$ >>> >>> Is there another jar file I need? >>> >>> Thanks. >>> >>> On Sep 29, 2014, at 9:04 PM, shengyi.pan <[email protected]> wrote: >>> >>>> you need hadoop-common-x.x.x.jar and hadoop-hdfs-x.x.x.jar under your >>>> flume-ng classpath, and the dependent hadoop jar version must match your >>>> hadoop system. >>>> >>>> if sink to hadoop-2.0.0, you should use "protobuf-java-2.4.1.jar" >>>> (defaultly, flume-1.5.0 uses "protobuf-java-2.5.0.jar", the jar file is >>>> under flume lib directory ), because the pb interface of hdfs-2.0 is >>>> compiled wtih protobuf-2.4, while using protobuf-2.5 the flume-ng will >>>> fail to start.... >>>> >>>> >>>> >>>> >>>> 2014-09-30 >>>> shengyi.pan >>>> 发件人：Ed Judge <[email protected]> >>>> 发送时间：2014-09-29 22:38 >>>> 主题：HDFS sink to a remote HDFS node >>>> 收件人："[email protected]"<[email protected]> >>>> 抄送： >>>> >>>> I am trying to run the flume-ng agent on one node with an HDFS sink >>>> pointing to an HDFS filesystem on another node. >>>> Is this possible? What packages/jar files are needed on the flume agent >>>> node for this to work? Secondary goal is to install only what is needed >>>> on the flume-ng node. >>>> >>>> # Describe the sink >>>> a1.sinks.k1.type = hdfs >>>> a1.sinks.k1.hdfs.path = hdfs://<remote IP address>/tmp/ >>>> >>>> >>>> Thanks, >>>> Ed >>> >>> >> >> > >
