[
https://issues.apache.org/jira/browse/MAPREDUCE-5309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Rushabh S Shah reassigned MAPREDUCE-5309:
-----------------------------------------
Assignee: Rushabh S Shah
> 2.0.4 JobHistoryParser can't parse certain failed job history files generated
> by 2.0.3 history server
> -----------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-5309
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5309
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobhistoryserver, mrv2
> Affects Versions: 2.0.4-alpha
> Reporter: Vrushali C
> Assignee: Rushabh S Shah
> Attachments: Test20JobHistoryParsing.java, job_2_0_3-KILLED.jhist
>
>
> When the 2.0.4 JobHistoryParser tries to parse a job history file generated
> by hadoop 2.0.3, the jobhistoryparser throws as an error as
> java.lang.ClassCastException: org.apache.avro.generic.GenericData$Array
> cannot be cast to org.apache.hadoop.mapreduce.jobhistory.JhCounters
> at
> org.apache.hadoop.mapreduce.jobhistory.TaskAttemptUnsuccessfulCompletion.put(TaskAttemptUnsuccessfulCompletion.java:58)
> at org.apache.avro.generic.GenericData.setField(GenericData.java:463)
> at
> org.apache.avro.generic.GenericDatumReader.readRecord(GenericDatumReader.java:166)
> at
> org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:138)
> at
> org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:142)
> at
> org.apache.avro.generic.GenericDatumReader.readRecord(GenericDatumReader.java:166)
> at
> org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:138)
> at
> org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:129)
> at
> org.apache.hadoop.mapreduce.jobhistory.EventReader.getNextEvent(EventReader.java:93)
> at
> org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.parse(JobHistoryParser.java:111)
> at
> org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.parse(JobHistoryParser.java:156)
> at
> org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.parse(JobHistoryParser.java:142)
> at
> com.twitter.somepackage.Test20JobHistoryParsing.testFileAvro(Test20JobHistoryParsing.java:23)
> 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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
> at
> org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
> at
> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
> Test code and the job history file are attached.
> Test code:
> package com.twitter.somepackagel;
> import java.io.IOException;
> import org.apache.hadoop.conf.Configuration;
> import org.apache.hadoop.fs.FileSystem;
> import org.apache.hadoop.fs.Path;
> import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser;
> import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.JobInfo;
> import org.junit.Test;
> import org.apache.hadoop.yarn.YarnException;
> public class Test20JobHistoryParsing {
>
> @Test
> public void testFileAvro() throws IOException
> {
> Path local_path2 = new Path("/tmp/job_2_0_3-KILLED.jhist");
> JobHistoryParser parser2 = new JobHistoryParser(FileSystem.getLocal(new
> Configuration()), local_path2);
> try {
> JobInfo ji2 = parser2.parse();
> System.out.println(" job info: " + ji2.getJobname() + " "
> + ji2.getFinishedMaps() + " "
> + ji2.getTotalMaps() + " "
> + ji2.getJobId() ) ;
> }
> catch (IOException e) {
> throw new YarnException("Could not load history file "
> + local_path2.getName(), e);
> }
> }
> }
> This seems to stem from the fix in
> https://issues.apache.org/jira/browse/MAPREDUCE-4693
> that added counters to the historyserver for failed tasks.
> This breaks backward compatibility with JobHistoryServer.
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