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https://issues.apache.org/jira/browse/HIVE-9427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14297814#comment-14297814
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Sergio Peña commented on HIVE-9427:
-----------------------------------
Could you add an example of the query you're trying to execute?
I did a 'select * from xxx' that contains empty partitions, but it still works.
> When the first partition being queried is empty, exceptions are thrown and
> query fails.
> ---------------------------------------------------------------------------------------
>
> Key: HIVE-9427
> URL: https://issues.apache.org/jira/browse/HIVE-9427
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.13.1
> Reporter: chirag aggarwal
>
> If empty partitions and partitions containing data are queried together, and
> the first partition referred in the query is empty, then exceptions are
> thrown and query fails.
> Diagnostic Messages for this Task:
> Error: java.lang.RuntimeException:
> org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while
> processing writable
> at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:195)
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
> at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:439)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:351)
> at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:167)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Unknown Source)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
>
> at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:162)
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime
> Error while processing writable
> at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:580)
> at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:177)
> ... 8 more
> Caused by: java.lang.ClassCastException: org.apache.hadoop.io.Text cannot be
> cast to org.apache.hadoop.io.BytesWritable
> at
> org.apache.hadoop.hive.serde2.ByteStreamTypedSerDe.deserialize(ByteStreamTypedSerDe.java:44)
>
> at
> org.apache.hadoop.hive.serde2.thrift.ThriftByteStreamTypedSerDe.deserialize(ThriftByteStreamTypedSerDe.java:76)
>
> at
> org.apache.hadoop.hive.serde2.thrift.ThriftDeserializer.deserialize(ThriftDeserializer.java:74)
>
> at
> org.apache.hadoop.hive.ql.exec.MapOperator$MapOpCtx.readRow(MapOperator.java:156)
>
> at
> org.apache.hadoop.hive.ql.exec.MapOperator$MapOpCtx.access$200(MapOperator.java:129)
>
> at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:555)
> ... 9 more
> FAILED: Execution Error, return code 2 from
> org.apache.hadoop.hive.ql.exec.mr.MapRedTask
> MapReduce Jobs Launched:
> Job 0: Map: 1 Reduce: 1 HDFS Read: 0 HDFS Write: 0 FAIL
> Total MapReduce CPU Time Spent: 0 msec
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