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https://issues.apache.org/jira/browse/PIG-5354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Koji Noguchi updated PIG-5354:
------------------------------
Attachment: pig-5354-v02.patch
{quote}
Yes. Apart from logs, the toString() is stored in configs, vertex descriptors
and shown in Tez UI as well. Adding line= and offset= will be unnecessary
repetition making it long and get it truncated more and make it not very
readable there when there are too many aliases.
{quote}
Got it. Uploading a new patch (pig-5354-v02.patch). Since we can no longer
rely on java's AbstractCollection toString()calling toString() on every items,
I had to write the equivalent that prints out with line= and offset=.
> 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, pig-5354-v02.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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