Hi, I have written a Map reduce job which uses third party libraries to process unseen data which makes job fail because of errors in records.
I realized 'Skipping Bad Records' feature in Hadoop Map/Reduce. Can Anyone send me the code snippet which enables this feature by setting properties on JobConf Thanks, Ashwin! > Date: Sun, 7 Aug 2011 01:11:29 +0530 > From: [email protected] > Subject: Help on DFSClient > To: [email protected]; [email protected] > > I am keeping a Stream Open and writing through it using a multithreaded > application. > The application is in a different box and I am connecting to NN remotely. > > I was using FileSystem and getting same error and now I am trying DFSClient > and getting the same error. > > When I am running it via simple StandAlone class, it is not throwing any > error but when i put that in my Application, it is throwing this error. > > Please help me with this. > > Regards, > JD > > > public String toString() { > String s = getClass().getSimpleName(); > if (LOG.isTraceEnabled()) { > return s + "@" + DFSClient.this + ": " > + StringUtils.stringifyException(new Throwable("for testing")); > } > return s; > } > > My Stack Trace ::: > > > 06Aug2011 12:29:24,345 DEBUG [listenerContainer-1] (DFSClient.java:1115) - > Wait for lease checker to terminate > 06Aug2011 12:29:24,346 DEBUG > [LeaseChecker@DFSClient[clientName=DFSClient_280246853, ugi=jagarandas]: > java.lang.Throwable: for testing > at org.apache.hadoop.hdfs.DFSClient$LeaseChecker.toString(DFSClient.java:1181) > at org.apache.hadoop.util.Daemon.<init>(Daemon.java:38) > at org.apache.hadoop.hdfs.DFSClient$LeaseChecker.put(DFSClient.java:1094) > at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:547) > at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:513) > at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:497) > at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:442) > at > com.apple.ireporter.common.persistence.ConnectionManager.createConnection(ConnectionManager.java:74) > at > com.apple.ireporter.common.persistence.HDPPersistor.writeToHDP(HDPPersistor.java:95) > at > com.apple.ireporter.datatransformer.translator.HDFSTranslator.persistData(HDFSTranslator.java:41) > at > com.apple.ireporter.datatransformer.adapter.TranslatorAdapter.processData(TranslatorAdapter.java:61) > at > com.apple.ireporter.datatransformer.DefaultMessageListener.persistValidatedData(DefaultMessageListener.java:276) > at > com.apple.ireporter.datatransformer.DefaultMessageListener.onMessage(DefaultMessageListener.java:93) > at > org.springframework.jms.listener.AbstractMessageListenerContainer.doInvokeListener(AbstractMessageListenerContainer.java:506) > at > org.springframework.jms.listener.AbstractMessageListenerContainer.invokeListener(AbstractMessageListenerContainer.java:463) > at > org.springframework.jms.listener.AbstractMessageListenerContainer.doExecuteListener(AbstractMessageListenerContainer.java:435) > at > org.springframework.jms.listener.AbstractPollingMessageListenerContainer.doReceiveAndExecute(AbstractPollingMessageListenerContainer.java:322) > at > org.springframework.jms.listener.AbstractPollingMessageListenerContainer.receiveAndExecute(AbstractPollingMessageListenerContainer.java:260) > at > org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.invokeListener(DefaultMessageListenerContainer.java:944) > at > org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:868) > at java.lang.Thread.run(Thread.java:680)
