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https://issues.apache.org/jira/browse/HIVE-5279?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Phabricator updated HIVE-5279:
------------------------------
Attachment: D12963.4.patch
navis updated the revision "HIVE-5279 [jira] Kryo cannot instantiate
GenericUDAFEvaluator in GroupByDesc".
Fixed test fails
Reviewers: ashutoshc, JIRA
REVISION DETAIL
https://reviews.facebook.net/D12963
CHANGE SINCE LAST DIFF
https://reviews.facebook.net/D12963?vs=40065&id=40299#toc
BRANCH
HIVE-5279
ARCANIST PROJECT
hive
AFFECTED FILES
ql/src/java/org/apache/hadoop/hive/ql/exec/UDAF.java
ql/src/java/org/apache/hadoop/hive/ql/plan/AggregationDesc.java
ql/src/test/org/apache/hadoop/hive/ql/udf/generic/GenericUDAFSumList.java
ql/src/test/queries/clientpositive/udaf_sum_list.q
ql/src/test/results/clientpositive/udaf_sum_list.q.out
ql/src/test/results/compiler/plan/groupby1.q.xml
ql/src/test/results/compiler/plan/groupby2.q.xml
ql/src/test/results/compiler/plan/groupby3.q.xml
ql/src/test/results/compiler/plan/groupby5.q.xml
To: JIRA, ashutoshc, navis
> Kryo cannot instantiate GenericUDAFEvaluator in GroupByDesc
> -----------------------------------------------------------
>
> Key: HIVE-5279
> URL: https://issues.apache.org/jira/browse/HIVE-5279
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
> Priority: Critical
> Attachments: 5279.patch, D12963.1.patch, D12963.2.patch,
> D12963.3.patch, D12963.4.patch
>
>
> We didn't forced GenericUDAFEvaluator to be Serializable. I don't know how
> previous serialization mechanism solved this but, kryo complaints that it's
> not Serializable and fails the query.
> The log below is the example,
> {noformat}
> java.lang.RuntimeException: com.esotericsoftware.kryo.KryoException: Class
> cannot be created (missing no-arg constructor):
> org.apache.hadoop.hive.serde2.objectinspector.StandardListObjectInspector
> Serialization trace:
> inputOI
> (org.apache.hadoop.hive.ql.udf.generic.GenericUDAFGroupOn$VersionedFloatGroupOnEval)
> genericUDAFEvaluator (org.apache.hadoop.hive.ql.plan.AggregationDesc)
> aggregators (org.apache.hadoop.hive.ql.plan.GroupByDesc)
> conf (org.apache.hadoop.hive.ql.exec.GroupByOperator)
> childOperators (org.apache.hadoop.hive.ql.exec.SelectOperator)
> childOperators (org.apache.hadoop.hive.ql.exec.TableScanOperator)
> aliasToWork (org.apache.hadoop.hive.ql.plan.MapWork)
> at
> org.apache.hadoop.hive.ql.exec.Utilities.getBaseWork(Utilities.java:312)
> at
> org.apache.hadoop.hive.ql.exec.Utilities.getMapWork(Utilities.java:261)
> at
> org.apache.hadoop.hive.ql.io.HiveInputFormat.init(HiveInputFormat.java:256)
> at
> org.apache.hadoop.hive.ql.io.HiveInputFormat.pushProjectionsAndFilters(HiveInputFormat.java:383)
> at org.apache.h
> {noformat}
> If this cannot be fixed in somehow, some UDAFs should be modified to be run
> on hive-0.13.0
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