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From "Jonathan Eagles (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-3179) Incorrect exit code for hadoop-mapreduce-test tests when exception thrown
Date Thu, 13 Oct 2011 16:23:12 GMT
Incorrect exit code for hadoop-mapreduce-test tests when exception thrown
-------------------------------------------------------------------------

                 Key: MAPREDUCE-3179
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3179
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mrv2, test
    Affects Versions: 0.23.0, 0.24.0
            Reporter: Jonathan Eagles
            Assignee: Jonathan Eagles


Exit code for test jar is 0 despite exception thrown

hadoop jar hadoop-mapreduce-test-0.23.0-SNAPSHOT.jar loadgen -Dmapreduce.job.acl-view -m 18
-r 0 -outKey org.apache.hadoop.io.Text -outValue org.apache.hadoop.io.Text -indir nonexistentdir

Loadgen output snippet
org.apache.hadoop.mapred.InvalidInputException: Input path does not exist: hdfs://machine.name.example.com:9000/user/exampleuser/nonexistentdir
        at org.apache.hadoop.mapred.FileInputFormat.listStatus(FileInputFormat.java:234)
        at org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:254)
        at org.apache.hadoop.mapreduce.JobSubmitter.writeOldSplits(JobSubmitter.java:470)
        at org.apache.hadoop.mapreduce.JobSubmitter.writeSplits(JobSubmitter.java:462)
        at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:358)
        at org.apache.hadoop.mapreduce.Job$2.run(Job.java:1159)
        at org.apache.hadoop.mapreduce.Job$2.run(Job.java:1156)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1135)
        at org.apache.hadoop.mapreduce.Job.submit(Job.java:1156)
        at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:539)
        at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:778)
        at org.apache.hadoop.mapred.GenericMRLoadGenerator.run(GenericMRLoadGenerator.java:200)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:69)
        at org.apache.hadoop.mapred.GenericMRLoadGenerator.main(GenericMRLoadGenerator.java:214)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:72)
        at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:144)
        at org.apache.hadoop.test.MapredTestDriver.run(MapredTestDriver.java:111)
        at org.apache.hadoop.test.MapredTestDriver.main(MapredTestDriver.java:118)
        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.RunJar.main(RunJar.java:189)
-bash-3.2$ echo $?
0

This differs from example jar which correctly returns the correct exit code

hadoop jar hadoop-mapreduce-examples-0.23.0-SNAPSHOT.jar wordcount nonexistentdir /outputdir

wordcount output snippet
org.apache.hadoop.mapreduce.lib.input.InvalidInputException: Input path does not exist: hdfs://machine.name.example.com:9000/user/exampleuser/nonexistentdir
        at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.listStatus(FileInputFormat.java:243)
        at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.getSplits(FileInputFormat.java:269)
        at org.apache.hadoop.mapreduce.JobSubmitter.writeNewSplits(JobSubmitter.java:443)
        at org.apache.hadoop.mapreduce.JobSubmitter.writeSplits(JobSubmitter.java:460)
        at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:358)
        at org.apache.hadoop.mapreduce.Job$2.run(Job.java:1159)
        at org.apache.hadoop.mapreduce.Job$2.run(Job.java:1156)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1135)
        at org.apache.hadoop.mapreduce.Job.submit(Job.java:1156)
        at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1176)
        at org.apache.hadoop.examples.WordCount.main(WordCount.java:84)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:72)
        at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:144)
        at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:68)
        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.RunJar.main(RunJar.java:189)
-bash-3.2$ echo $?
255



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