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https://issues.apache.org/jira/browse/TEZ-3330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15375958#comment-15375958
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TezQA commented on TEZ-3330:
----------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12817802/TEZ-3330.temp.patch
against master revision 55f5186.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:red}-1 tests included{color}. The patch doesn't appear to include
any new or modified tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. There were no new javadoc warning messages.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 3.0.1) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in .
Test results:
https://builds.apache.org/job/PreCommit-TEZ-Build/1850//testReport/
Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/1850//console
This message is automatically generated.
> Error on avro M/R job with Tez: missing configuration property
> --------------------------------------------------------------
>
> Key: TEZ-3330
> URL: https://issues.apache.org/jira/browse/TEZ-3330
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Manuel Godbert
> Attachments: TEZ-3330.temp.patch
>
>
> I tried running the simple avro M/R job MapredColorCount, that I found in the
> examples of avro release 1.7.7.
> It failed with the following trace:
> {code}
> errorMessage=Shuffle Runner
> Failed:org.apache.tez.runtime.library.common.shuffle.orderedgrouped.Shuffle$ShuffleError:
> Error while doing final merge
> at
> org.apache.tez.runtime.library.common.shuffle.orderedgrouped.Shuffle$RunShuffleCallable.callInternal(Shuffle.java:378)
> at
> org.apache.tez.runtime.library.common.shuffle.orderedgrouped.Shuffle$RunShuffleCallable.callInternal(Shuffle.java:337)
> at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> Caused by: java.lang.NullPointerException
> at java.io.StringReader.<init>(StringReader.java:50)
> at org.apache.avro.Schema$Parser.parse(Schema.java:917)
> at org.apache.avro.Schema.parse(Schema.java:966)
> at org.apache.avro.mapred.AvroJob.getMapOutputSchema(AvroJob.java:78)
> at
> org.apache.avro.mapred.AvroKeyComparator.setConf(AvroKeyComparator.java:39)
> at
> org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:76)
> at
> org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:136)
> at
> org.apache.tez.runtime.library.common.ConfigUtils.getIntermediateInputKeyComparator(ConfigUtils.java:133)
> at
> org.apache.tez.runtime.library.common.shuffle.orderedgrouped.MergeManager.finalMerge(MergeManager.java:915)
> at
> org.apache.tez.runtime.library.common.shuffle.orderedgrouped.MergeManager.close(MergeManager.java:540)
> at
> org.apache.tez.runtime.library.common.shuffle.orderedgrouped.Shuffle$RunShuffleCallable.callInternal(Shuffle.java:376)
> ... 6 more
> {code}
> Digging a bit I saw that during shuffle Tez can't access some of the
> configuration properties of the job. In our example it is the
> avro.output.schema that is missing.
> With some more complicated code I could get one step further and a similar
> issue happened when the valuesIterator for the reducer was being built:
> {code}
> java.lang.NullPointerException
> at java.io.StringReader.<init>(StringReader.java:50)
> at org.apache.avro.Schema$Parser.parse(Schema.java:917)
> at org.apache.avro.Schema.parse(Schema.java:966)
> at org.apache.avro.mapred.AvroJob.getMapOutputSchema(AvroJob.java:78)
> at
> org.apache.avro.mapred.AvroSerialization.getDeserializer(AvroSerialization.java:53)
> at
> org.apache.hadoop.io.serializer.SerializationFactory.getDeserializer(SerializationFactory.java:90)
> at
> org.apache.tez.runtime.library.common.ValuesIterator.<init>(ValuesIterator.java:80)
> at
> org.apache.tez.runtime.library.input.OrderedGroupedKVInput.createValuesIterator(OrderedGroupedKVInput.java:287)
> {code}
> I am using HDP2.4, Tez 0.7.0, avro 1.7.4
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