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https://issues.apache.org/jira/browse/PIG-1739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12934515#action_12934515
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Richard Ding commented on PIG-1739:
-----------------------------------
+1
> Pig 0.8 zero return code when pig script fails; also error is dumped on
> screen instead of logfile
> -------------------------------------------------------------------------------------------------
>
> Key: PIG-1739
> URL: https://issues.apache.org/jira/browse/PIG-1739
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.8.0
> Reporter: Viraj Bhat
> Assignee: Yan Zhou
> Fix For: 0.8.0
>
> Attachments: PIG-1739.patch
>
>
> I have pig script where one input directory cannot be accessed. The pig
> script obviously fails but the return code is zero.
> {code}
> A = LOAD '/user/viraj/testdata1' USING PigStorage(':') AS (ia, na);
> B = FOREACH A GENERATE $0 AS id;
> C = LOAD '/user/tstusr/test/' USING PigStorage(':') AS (ib, nb);
> D = FOREACH C GENERATE $0 AS id;
> --dump B;
> E = JOIN A by ia, C by ib USING 'replicated';
> store E into 'id.out';
> {code}
> Here is the console output:
> {quote}
> $ java -cp $PIG_HOME/pig.jar org.apache.pig.Main script.pig
> 2010-11-19 06:51:32,780 [main] INFO org.apache.pig.Main - Logging error
> messages to: /home/viraj/pigscripts/pig_1290149492775.log
> ...
> 2010-11-19 06:51:39,136 [main] INFO
> org.apache.pig.tools.pigstats.ScriptState - Pig features used in the script:
> REPLICATED_JOIN
> 2010-11-19 06:51:39,187 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - (Name: E:
> Store(hdfs://mynamenode/user/viraj/id.out:org.apache.pig.builtin.PigStorage)
> - 1-38 Operator Key: 1-38)
> 2010-11-19 06:51:39,198 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler -
> File concatenation threshold: 100 optimistic? false
> 2010-11-19 06:51:39,344 [main] WARN
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler -
> failed to get number of input files
> org.apache.hadoop.security.AccessControlException:
> org.apache.hadoop.security.AccessControlException: Permission denied:
> user=viraj, access=EXECUTE, inode="tstusr":tstusr:users:rwx------
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
> at
> org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:95)
> at
> org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:57)
> at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:678)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:521)
> at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:692)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler.hasTooManyInputFiles(MRCompiler.java:1302)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler.visitFRJoin(MRCompiler.java:1210)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POFRJoin.visit(POFRJoin.java:188)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler.compile(MRCompiler.java:472)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler.compile(MRCompiler.java:451)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler.compile(MRCompiler.java:333)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.compile(MapReduceLauncher.java:469)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:117)
> at
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.execute(HExecutionEngine.java:378)
> at
> org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1198)
> at org.apache.pig.PigServer.execute(PigServer.java:1190)
> at org.apache.pig.PigServer.access$100(PigServer.java:128)
> at org.apache.pig.PigServer$Graph.execute(PigServer.java:1517)
> at org.apache.pig.PigServer.executeBatchEx(PigServer.java:362)
> at org.apache.pig.PigServer.executeBatch(PigServer.java:329)
> at
> org.apache.pig.tools.grunt.GruntParser.executeBatch(GruntParser.java:112)
> at
> org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:169)
> at
> org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:141)
> at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:90)
> at org.apache.pig.Main.run(Main.java:498)
> at org.apache.pig.Main.main(Main.java:107)
> 2010-11-19 06:51:56,712 [main] ERROR org.apache.pig.tools.pigstats.PigStats -
> ERROR 2997: Unable to recreate exception from backend error:
> org.apache.pig.backend.executionengine.ExecException: ERROR 2118:
> org.apache.hadoop.security.AccessControlException: Permission denied:
> user=viraj, access=EXECUTE, inode="tstusr":tstusr:users:rwx------
> 2010-11-19 06:51:56,712 [main] ERROR
> org.apache.pig.tools.pigstats.PigStatsUtil - 1 map reduce job(s) failed!
> 2010-11-19 06:51:56,714 [main] INFO org.apache.pig.tools.pigstats.PigStats -
> Script Statistics:
> ...
> HadoopVersion PigVersion UserId StartedAt FinishedAt
> Features
> 0.20.1 0.8.0..1011012300 viraj 2010-11-19 06:51:41 2010-11-19
> 06:51:56 REPLICATED_JOIN
> Failed!
> Failed Jobs:
> JobId Alias Feature Message Outputs
> N/A C MAP_ONLY Message:
> org.apache.pig.backend.executionengine.ExecException: ERROR 2118:
> org.apache.hadoop.security.AccessControlException: Permission denied:
> user=viraj, access=EXECUTE, inode="tstusr":tstusr:users:rwx------
> Input(s):
> Failed to read data from "/user/tstusr/test/"
> Output(s):
> Counters:
> Total records written : 0
> Total bytes written : 0
> Spillable Memory Manager spill count : 0
> Total bags proactively spilled: 0
> Total records proactively spilled: 0
> Job DAG:
> null -> null,
> null
> 2010-11-19 06:51:56,714 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
> - Failed!
> $echo $?
> 0
> {quote}
> Clearly users depending on this return code to run their workflows are
> affected.
> Viraj
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