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From "Rohini Palaniswamy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-5354) Show fieldname and a line number for casting errors
Date Fri, 10 Aug 2018 17:33:00 GMT

    [ https://issues.apache.org/jira/browse/PIG-5354?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16576617#comment-16576617
] 

Rohini Palaniswamy commented on PIG-5354:
-----------------------------------------

+1

> Show fieldname and a line number for casting errors
> ---------------------------------------------------
>
>                 Key: PIG-5354
>                 URL: https://issues.apache.org/jira/browse/PIG-5354
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Koji Noguchi
>            Assignee: Koji Noguchi
>            Priority: Trivial
>         Attachments: pig-5354-v01.patch
>
>
> One user had large number of casting in one foreach and wasn't able to tell which casting
was causing this error from the error message.
> {noformat}
> 2018-08-03 17:45:17,716 [ERROR] [TezChild] |runtime.PigProcessor|: Encountered exception
while processing:
> org.apache.pig.backend.executionengine.ExecException: ERROR 0: Exception while executing
(Name: myprojection: Split - scope-41552 Operator Key: scope-41552): org.apache.pig.backend.executionengine.ExecException:
ERROR 1074: Problem with formatting. Could not convert thisisnotanumber to Long.
>     at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:315)
>     at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POSplit.getNextTuple(POSplit.java:208)
>     at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POSplit.runPipeline(POSplit.java:254)
>     at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POSplit.processPlan(POSplit.java:235)
>     at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POSplit.getNextTuple(POSplit.java:227)
>     at org.apache.pig.backend.hadoop.executionengine.tez.runtime.PigProcessor.runPipeline(PigProcessor.java:378)
>     at org.apache.pig.backend.hadoop.executionengine.tez.runtime.PigProcessor.run(PigProcessor.java:243)
>     at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:374)
>     at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:73)
>     at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:61)
>     at java.security.AccessController.doPrivileged(Native Method)
>     at javax.security.auth.Subject.doAs(Subject.java:422)
>     at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1953)
>     at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:61)
>     at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:37)
>     at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
>     at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>     at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 1074: Problem
with formatting. Could not convert thisisnotanumber to Long.
>     at org.apache.pig.data.DataType.toLong(DataType.java:911)
>     at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.castBytesToLong(POCast.java:851)
>     at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNextLong(POCast.java:764)
>     at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.getNext(PhysicalOperator.java:349)
>     at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getInputData(POForEach.java:531)
>     at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:398)
>     at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNextTuple(POForEach.java:343)
>     at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:305)
>     ... 19 more
> Caused by: java.lang.NumberFormatException: For input string: "thisisnotanumber"
>     at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
>     at java.lang.Long.parseLong(Long.java:589)
>     at java.lang.Long.valueOf(Long.java:803)
>     at org.apache.pig.data.DataType.toLong(DataType.java:880)
>     ... 26 more
> {noformat}



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