The only other failure we see appears to be a subsequent failure:
Caused by: java.io.FileNotFoundException: File does not exist:
/PATH_OMITTED/hdht/62/62/62/0/0-0
at
org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:66)
at
org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:56)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocationsUpdateTimes(FSNamesystem.java:1932)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocationsInt(FSNamesystem.java:1873)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:1853)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:1825)
at
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getBlockLocations(NameNodeRpcServer.java:565)
at
org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.getBlockLocations(AuthorizationProviderProxyClientProtocol.java:87)
at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getBlockLocations(ClientNamenodeProtocolServerSideTranslatorPB.java:363)
at
org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1060)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2086)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2082)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1671)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2080)
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.ipc.RemoteException.instantiateException(RemoteException.java:106)
at
org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:73)
at
org.apache.hadoop.hdfs.DFSClient.callGetBlockLocations(DFSClient.java:1260)
at
org.apache.hadoop.hdfs.DFSClient.getLocatedBlocks(DFSClient.java:1245)
at
org.apache.hadoop.hdfs.DFSClient.getLocatedBlocks(DFSClient.java:1233)
at
org.apache.hadoop.hdfs.DFSInputStream.fetchLocatedBlocksAndGetLastBlockLength(DFSInputStream.java:302)
at
org.apache.hadoop.hdfs.DFSInputStream.openInfo(DFSInputStream.java:268)
at org.apache.hadoop.hdfs.DFSInputStream.<init>(DFSInputStream.java:260)
at org.apache.hadoop.hdfs.DFSClient.open(DFSClient.java:1564)
at
org.apache.hadoop.hdfs.DistributedFileSystem$3.doCall(DistributedFileSystem.java:308)
at
org.apache.hadoop.hdfs.DistributedFileSystem$3.doCall(DistributedFileSystem.java:304)
at
org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
at
org.apache.hadoop.hdfs.DistributedFileSystem.open(DistributedFileSystem.java:304)
at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:775)
at
com.datatorrent.contrib.hdht.HDHTFileAccessFSImpl.getInputStream(p:236)
at
com.datatorrent.contrib.hdht.tfile.TFileImpl$DTFileImpl.getReader(m:39)
at com.datatorrent.contrib.hdht.HDHTWriter.E(v:406)
at com.datatorrent.contrib.hdht.HDHTWriter.E(v:201)
at com.datatorrent.contrib.hdht.HDHTWriter$1.run(v:357)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
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)
On 3/8/16, 11:27 AM, "Pramod Immaneni" <[email protected]> wrote:
>Ilya,
>
>Are there any other exceptions from HDFS that you see in the logs around
>this exception?
>
>Thanks
>
>On Tue, Mar 8, 2016 at 11:25 AM, Ganelin, Ilya <[email protected]>
>wrote:
>
>> Hi all – we are seeing the following error when running our DAG. Would
>> really appreciate any insight as to why this is happening. Is HDFS full? Is
>> this a serialization failure? Any way to track down what is going on?
>>
>>
>> Stopped running due to an exception. java.lang.RuntimeException: Error
>> while flushing write cache.
>>
>> at com.datatorrent.contrib.hdht.HDHTWriter.committed(v:549)
>>
>> at
>> com.datatorrent.stram.engine.StreamingContainer$1.execute(StreamingContainer.java:765)
>>
>> at com.datatorrent.stram.engine.Node.handleRequests(Node.java:353)
>>
>> at
>> com.datatorrent.stram.engine.GenericNode.processEndWindow(GenericNode.java:171)
>>
>> at
>> com.datatorrent.stram.engine.OiONode$ControlSink.put(OiONode.java:86)
>>
>> at
>> com.datatorrent.stram.engine.OiONode$ControlSink.put(OiONode.java:54)
>>
>> at com.datatorrent.stram.stream.OiOStream.put(OiOStream.java:67)
>>
>> at com.datatorrent.stram.stream.MuxStream.put(MuxStream.java:120)
>>
>> at
>> com.datatorrent.stram.engine.GenericNode.processEndWindow(GenericNode.java:150)
>>
>> at
>> com.datatorrent.stram.engine.GenericNode.run(GenericNode.java:307)
>>
>> at
>> com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1380)
>> ________________________________________________________
>>
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________________________________________________________
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intended only for use by the individual or entity to which it is addressed. If
the reader of this message is not the intended recipient, you are hereby
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