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Привет Я новичок в каскадировании и последующей работе с документом «Рабочие процессы с каскадом». Я проверил с hadoop 1.0.4, и я загружаю каскадирование 2.1.6. Я настраиваю все с помощью NetBeans IDE со всеми файлами jar.Каскадирование 2.1.6 + hadoop 1.0.4 Ошибка
Код:
package main.java.impatient;
import java.util.Properties;
import cascading.flow.Flow;
import cascading.flow.FlowDef;
import cascading.flow.hadoop.HadoopFlowConnector;
import cascading.pipe.Pipe;
import cascading.property.AppProps;
import cascading.scheme.hadoop.TextDelimited;
import cascading.tap.Tap;
import cascading.tap.hadoop.Hfs;
import cascading.tuple.Fields;
public class
Main
{
public static void
main(String[] args)
{
String inPath = args[ 0 ];
String outPath = args[ 1 ];
Properties properties = new Properties();
AppProps.setApplicationJarClass(properties, Main.class);
HadoopFlowConnector flowConnector = new HadoopFlowConnector(properties);
// create the source tap
Tap inTap = new Hfs(new TextDelimited(true, "\t"), inPath);
// create the sink tap
Tap outTap = new Hfs(new TextDelimited(true, "\t"), outPath);
// specify a pipe to connect the taps
Pipe copyPipe = new Pipe("copy");
// connect the taps, pipes, etc., into a flow
FlowDef flowDef = FlowDef.flowDef()
.addSource(copyPipe, inTap)
.addTailSink(copyPipe, outTap);
// run the flow
flowConnector.connect(flowDef).complete();
}
}
Вот ошибка: Ошибка
Exception in thread "main" cascading.flow.FlowException: step failed: (1/1) ...ka/cascading/part1/output, with job id: job_201310020226_0004, please see cluster logs for failure messages
at cascading.flow.planner.FlowStepJob.blockOnJob(FlowStepJob.java:210)
at cascading.flow.planner.FlowStepJob.start(FlowStepJob.java:145)
at cascading.flow.planner.FlowStepJob.call(FlowStepJob.java:120)
at cascading.flow.planner.FlowStepJob.call(FlowStepJob.java:42)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:680)
Hadoop Работа:
java.io.IOException: Split class cascading.tap.hadoop.io.MultiInputSplit not found
at org.apache.hadoop.mapred.MapTask.getSplitDetails(MapTask.java:387)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:412)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:372)
at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
at org.apache.hadoop.mapred.Child.main(Child.java:249)
Caused by: java.lang.ClassNotFoundException: cascading.tap.hadoop.io.MultiInputSplit
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:249)
at org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:820)
at org.apache.hadoop.mapred.MapTask.getSplitDetails(MapTask.java:385)
... 7 more
Может кто-нибудь помочь мне
Спасибо