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Hive >> mail # dev >> Casting exception while converting from "LazyDouble" to "LazyString"


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Re: Casting exception while converting from "LazyDouble" to "LazyString"
Hi Kanna,

This might just mean that in your query you are having a STRING type for a
field which is actually a DOUBLE.

On Tue, Jul 10, 2012 at 3:05 PM, Kanna Karanam <[EMAIL PROTECTED]>wrote:

>  Has anyone seen this error before? Am I missing anything here?****
>
> ** **
>
> 2012-07-10 11:11:02,203 INFO org.apache.hadoop.mapred.TaskInProgress:
> Error from attempt_201207091248_0107_m_000000_0:
> java.lang.RuntimeException:
> org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while
> processing row {"name":"zach johnson","age":77,"gpa":3.27}****
>
>                 at
> org.apache.hadoop.hive.ql.exec.ExecMapper.map(ExecMapper.java:161)****
>
>                 at
> org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:50)****
>
>                 at
> org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:436)****
>
>                 at org.apache.hadoop.mapred.MapTask.run(MapTask.java:372)*
> ***
>
>                 at org.apache.hadoop.mapred.Child$4.run(Child.java:271)***
> *
>
>                 at java.security.AccessController.doPrivileged(Native
> Method)****
>
>                 at javax.security.auth.Subject.doAs(Subject.java:396)****
>
>                 at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1124)
> ****
>
>                 at org.apache.hadoop.mapred.Child.main(Child.java:265)****
>
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime
> Error while processing row {"name":"zach johnson","age":77,"gpa":3.27}****
>
>                 at
> org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:550)**
> **
>
>                 at
> org.apache.hadoop.hive.ql.exec.ExecMapper.map(ExecMapper.java:143)****
>
>                 ... 8 more****
>
> Caused by: java.lang.ClassCastException:
> org.apache.hadoop.hive.serde2.lazy.LazyDouble cannot be cast to
> org.apache.hadoop.hive.serde2.lazy.LazyString****
>
>                 at
> org.apache.hadoop.hive.serde2.lazy.objectinspector.primitive.LazyStringObjectInspector.getPrimitiveWritableObject(LazyStringObjectInspector.java:47)
> ****
>
>                 at
> org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe.serialize(LazyBinarySerDe.java:351)
> ****
>
>                 at
> org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe.serializeStruct(LazyBinarySerDe.java:255)
> ****
>
>                 at
> org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe.serialize(LazyBinarySerDe.java:202)
> ****
>
>                 at
> org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.processOp(ReduceSinkOperator.java:236)
> ****
>
>                 at
> org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:471)****
>
>                 at
> org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:762)****
>
>                 at
> org.apache.hadoop.hive.ql.exec.TableScanOperator.processOp(TableScanOperator.java:83)
> ****
>
>                 at
> org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:471)****
>
>                 at
> org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:762)****
>
>                 at
> org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:531)**
> **
>
> ** **
>
> ** **
>
> Thanks,****
>
> Kanna****
>

--
Swarnim