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https://issues.apache.org/jira/browse/HIVE-23531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17114006#comment-17114006
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László Pintér commented on HIVE-23531:
--------------------------------------
+1, pending tests
> Major CRUD QB compaction failing with ClassCastException when vectorization
> off
> -------------------------------------------------------------------------------
>
> Key: HIVE-23531
> URL: https://issues.apache.org/jira/browse/HIVE-23531
> Project: Hive
> Issue Type: Bug
> Reporter: Karen Coppage
> Assignee: Karen Coppage
> Priority: Major
> Attachments: HIVE-23531.01.patch
>
>
> Exception:
> {code:java}
> 2020-05-22T01:33:09,944 ERROR [TezChild] tez.MapRecordSource:
> org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while
> processing row
> at
> org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:573)
> at
> org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.processRow(MapRecordSource.java:92)
> at
> org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.pushRecord(MapRecordSource.java:76)
> at
> org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.run(MapRecordProcessor.java:403)
> at
> org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:267)
> at
> org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:250)
> 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$1.run(TaskRunner2Callable.java:61)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1682)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:61)
> at
> org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:37)
> at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
> at
> com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:108)
> at
> com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:41)
> at
> com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:77)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.ClassCastException: java.lang.Integer cannot be cast to
> org.apache.hadoop.io.IntWritable
> at
> org.apache.hadoop.hive.ql.exec.FileSinkOperator.process(FileSinkOperator.java:965)
> at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:887)
> at
> org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:95)
> at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:887)
> at
> org.apache.hadoop.hive.ql.exec.TableScanOperator.process(TableScanOperator.java:174)
> at
> org.apache.hadoop.hive.ql.exec.MapOperator$MapOpCtx.forward(MapOperator.java:152)
> at
> org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:552)
> ... 20 more
> {code}
> And some more in Tez.
> Because when vectorization is turned on, primitives in the row are wrapped in
> Writables by VectorFileSinkOperator; when it is off, they are not.
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