[MAPREDUCE-4652] ValueAggregatorJob sets the wrong job jar

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0.3
• Fix Version/s: 1.2.0
• Component/s: examples, mrv1
• Hadoop Flags: Reviewed
• Assignee: Ahmed Radwan
• Reporter: Ahmed Radwan
• Created: 13/Sep/12 00:12
• Updated: 15/May/13 05:15
• Resolved: 25/Sep/12 11:51

Description

Using branch-1 tarball, if the user tries to submit an example aggregatewordcount, the job fails with the following error:

ahmed@ubuntu:~/demo/deploy/hadoop-1.2.0-SNAPSHOT$ bin/hadoop jar hadoop-examples-1.2.0-SNAPSHOT.jar aggregatewordcount input examples-output/aggregatewordcount 2 textinputformat
12/09/12 17:09:46 INFO mapred.JobClient: originalJarPath: /home/ahmed/demo/deploy/hadoop-1.2.0-SNAPSHOT/hadoop-core-1.2.0-SNAPSHOT.jar
12/09/12 17:09:48 INFO mapred.JobClient: submitJarFile: hdfs://localhost:9000/tmp/hadoop-ahmed/mapred/staging/ahmed/.staging/job_201209121702_0008/job.jar
12/09/12 17:09:48 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
12/09/12 17:09:48 WARN snappy.LoadSnappy: Snappy native library not loaded
12/09/12 17:09:48 INFO mapred.FileInputFormat: Total input paths to process : 21
12/09/12 17:09:49 INFO mapred.JobClient: Running job: job_201209121702_0008
12/09/12 17:09:50 INFO mapred.JobClient:  map 0% reduce 0%
12/09/12 17:09:58 INFO mapred.JobClient: Task Id : attempt_201209121702_0008_m_000000_0, Status : FAILED
java.lang.RuntimeException: Error in configuring object
	at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:93)
	at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:64)
	at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:117)
	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:432)
	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:372)
	at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:396)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1136)
	at org.apache.hadoop.mapred.Child.main(Child.java:249)
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:88)
	... 9 more
Caused by: java.lang.RuntimeException: Error in configuring object
	at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:93)
	at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:64)
	at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:117)
	at org.apache.hadoop.mapred.MapRunner.configure(MapRunner.java:34)
	... 14 more
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:88)
	... 17 more
Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: org.apache.hadoop.examples.AggregateWordCount$WordCountPlugInClass
	at org.apache.hadoop.mapred.lib.aggregate.UserDefinedValueAggregatorDescriptor.createInstance(UserDefinedValueAggregatorDescriptor.java:57)
	at org.apache.hadoop.mapred.lib.aggregate.UserDefinedValueAggregatorDescriptor.createAggregator(UserDefinedValueAggregatorDescriptor.java:64)
	at org.apache.hadoop.mapred.lib.aggregate.UserDefinedValueAggregatorDescriptor.<init>(UserDefinedValueAggregatorDescriptor.java:76)
	at org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJobBase.getValueAggregatorDescriptor(ValueAggregatorJobBase.java:54)
	at org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJobBase.getAggregatorDescriptors(ValueAggregatorJobBase.java:65)
	at org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJobBase.initializeMySpec(ValueAggregatorJobBase.java:74)
	at org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJobBase.configure(ValueAggregatorJobBase.java:42)
	... 22 more
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.examples.AggregateWordCount$WordCountPlugInClass
	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:247)
	at org.apache.hadoop.mapred.lib.aggregate.UserDefinedValueAggregatorDescriptor.createInstance(UserDefinedValueAggregatorDescriptor.java:52)
	... 28 more