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https://issues.apache.org/jira/browse/PIG-174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12585085#action_12585085
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Pi Song commented on PIG-174:
-----------------------------
+1 setupMapPipe is supposed to be in there since the beginning.
> Pig hangs at progress 0% in this case
> -------------------------------------
>
> Key: PIG-174
> URL: https://issues.apache.org/jira/browse/PIG-174
> Project: Pig
> Issue Type: Bug
> Reporter: Xu Zhang
> Assignee: Arun C Murthy
> Priority: Minor
> Attachments: PIG-174_0_20080402.patch
>
>
> Pig appears to hang at progress 0% with the following console output:
> {noformat}
> 2008-03-28 13:58:50,398 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting
> to hadoop file system at: wilbur11.labs.corp.sp1.yahoo.com:8020
> 2008-03-28 13:58:51,342 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.POMapreduce - ----- MapReduce
> Job -----
> 2008-03-28 13:58:51,343 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.POMapreduce - Input:
> [/user/pig/tests/data/singlefile/studenttab10k:org.apache.pig.builtin.PigStorage()]
> 2008-03-28 13:58:51,343 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.POMapreduce - Map: [[*]->[EMAIL
> PROTECTED]
> 2008-03-28 13:58:51,343 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.POMapreduce - Group: null
> 2008-03-28 13:58:51,343 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.POMapreduce - Combine: null
> 2008-03-28 13:58:51,344 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.POMapreduce - Reduce: null
> 2008-03-28 13:58:51,344 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.POMapreduce - Output:
> results_7:org.apache.pig.builtin.PigStorage
> 2008-03-28 13:58:51,344 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.POMapreduce - Split: null
> 2008-03-28 13:58:51,344 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.POMapreduce - Map parallelism:
> -1
> 2008-03-28 13:58:51,344 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.POMapreduce - Reduce
> parallelism: -1
> 2008-03-28 13:58:54,245 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.mapreduceExec.MapReduceLauncher
> - Pig progress = 0%
> {noformat}
> The contents of the pig script used is as follows:
> {code}
> define X `./streamingscript/MySimpleStreamApp.pl`
> ship('./streamingscript/MySimpleStreamApp.pl');
> A = load '/user/pig/tests/data/singlefile/studenttab10k';
> B = stream A through X;
> store B into 'results_7';
> {code}
> The streaming script "MySimpleStreamApp.pl" is as follows and it is located
> under the streamingscript directory in my home directory. I issued the pig
> command from my home directory.
> {code}
> #!/home/y/bin/perl
> while (<>) {
> chomp;
> print "$_\n";
> }
> {code}
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