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https://issues.apache.org/jira/browse/HIVE-6522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13915845#comment-13915845
]
Xuefu Zhang commented on HIVE-6522:
-----------------------------------
Yes. I saw this error message when working on HIVE-6459. It should be addressed
with the patch there.
> AVG() failure with decimal type
> -------------------------------
>
> Key: HIVE-6522
> URL: https://issues.apache.org/jira/browse/HIVE-6522
> Project: Hive
> Issue Type: Bug
> Components: UDF
> Affects Versions: 0.13.0
> Reporter: Jason Dere
>
> The following test fails:
> {code}
> hive> describe dec4;
> OK
> key string from deserializer
> c1 string from deserializer
> c2 decimal(10,2) from deserializer
> Time taken: 0.716 seconds, Fetched: 3 row(s)
> hive> select * from dec4;
> OK
> 484 484 484
> 98 NULL NULL
> 278 NULL NULL
> 255 255 255
> 409 NULL NULL
> 165 165 165
> 27 27 27
> 311 NULL NULL
> 86 NULL NULL
> 238 NULL NULL
> Time taken: 0.262 seconds, Fetched: 10 row(s)
> hive> select avg(cast(key as decimal(3,0))) from dec4;
> ...
> Task failed!
> Task ID:
> Stage-1
> Logs:
> /tmp/jdere/hive.log
> FAILED: Execution Error, return code 2 from
> org.apache.hadoop.hive.ql.exec.mr.MapRedTask
> {code}
> The logs show the following stack trace.
> {noformat}
> java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException:
> Hive Runtime Error while processing row (tag=0) [Error getting row data with
> exception java.lang.NumberFormatException: Zero length BigInteger
> at java.math.BigInteger.<init>(BigInteger.java:171)
> at
> org.apache.hadoop.hive.serde2.io.HiveDecimalWritable.getHiveDecimal(HiveDecimalWritable.java:85)
> at
> org.apache.hadoop.hive.serde2.objectinspector.primitive.WritableHiveDecimalObjectInspector.getPrimitiveJavaObject(WritableHiveDecimalObjectInspector.java:43)
> at
> org.apache.hadoop.hive.serde2.SerDeUtils.buildJSONString(SerDeUtils.java:322)
> at
> org.apache.hadoop.hive.serde2.SerDeUtils.buildJSONString(SerDeUtils.java:392)
> at
> org.apache.hadoop.hive.serde2.SerDeUtils.buildJSONString(SerDeUtils.java:392)
> at
> org.apache.hadoop.hive.serde2.SerDeUtils.buildJSONString(SerDeUtils.java:392)
> at
> org.apache.hadoop.hive.serde2.SerDeUtils.getJSONString(SerDeUtils.java:236)
> at
> org.apache.hadoop.hive.serde2.SerDeUtils.getJSONString(SerDeUtils.java:222)
> at
> org.apache.hadoop.hive.ql.exec.mr.ExecReducer.reduce(ExecReducer.java:265)
> at
> org.apache.hadoop.mapred.ReduceTask.runOldReducer(ReduceTask.java:462)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:408)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:443)
> ]
> at
> org.apache.hadoop.hive.ql.exec.mr.ExecReducer.reduce(ExecReducer.java:282)
> at
> org.apache.hadoop.mapred.ReduceTask.runOldReducer(ReduceTask.java:462)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:408)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:443)
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime
> Error while processing row (tag=0) [Error getting row data with exception
> java.lang.NumberFormatException: Zero length BigInteger
> at java.math.BigInteger.<init>(BigInteger.java:171)
> at
> org.apache.hadoop.hive.serde2.io.HiveDecimalWritable.getHiveDecimal(HiveDecimalWritable.java:85)
> at
> org.apache.hadoop.hive.serde2.objectinspector.primitive.WritableHiveDecimalObjectInspector.getPrimitiveJavaObject(WritableHiveDecimalObjectInspector.java:43)
> at
> org.apache.hadoop.hive.serde2.SerDeUtils.buildJSONString(SerDeUtils.java:322)
> at
> org.apache.hadoop.hive.serde2.SerDeUtils.buildJSONString(SerDeUtils.java:392)
> at
> org.apache.hadoop.hive.serde2.SerDeUtils.buildJSONString(SerDeUtils.java:392)
> at
> org.apache.hadoop.hive.serde2.SerDeUtils.buildJSONString(SerDeUtils.java:392)
> at
> org.apache.hadoop.hive.serde2.SerDeUtils.getJSONString(SerDeUtils.java:236)
> at
> org.apache.hadoop.hive.serde2.SerDeUtils.getJSONString(SerDeUtils.java:222)
> at
> org.apache.hadoop.hive.ql.exec.mr.ExecReducer.reduce(ExecReducer.java:265)
> at
> org.apache.hadoop.mapred.ReduceTask.runOldReducer(ReduceTask.java:462)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:408)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:443)
> ]
> at
> org.apache.hadoop.hive.ql.exec.mr.ExecReducer.reduce(ExecReducer.java:270)
> ... 3 more
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException:
> java.lang.NumberFormatException: Zero length BigInteger
> at
> org.apache.hadoop.hive.ql.exec.GroupByOperator.processOp(GroupByOperator.java:808)
> at
> org.apache.hadoop.hive.ql.exec.mr.ExecReducer.reduce(ExecReducer.java:261)
> ... 3 more
> Caused by: java.lang.NumberFormatException: Zero length BigInteger
> at java.math.BigInteger.<init>(BigInteger.java:171)
> at
> org.apache.hadoop.hive.serde2.io.HiveDecimalWritable.getHiveDecimal(HiveDecimalWritable.java:96)
> at
> org.apache.hadoop.hive.serde2.lazybinary.LazyBinaryHiveDecimal.init(LazyBinaryHiveDecimal.java:48)
> at
> org.apache.hadoop.hive.serde2.lazybinary.LazyBinaryStruct.uncheckedGetField(LazyBinaryStruct.java:216)
> at
> org.apache.hadoop.hive.serde2.lazybinary.LazyBinaryStruct.getField(LazyBinaryStruct.java:197)
> at
> org.apache.hadoop.hive.serde2.lazybinary.objectinspector.LazyBinaryStructObjectInspector.getStructFieldData(LazyBinaryStructObjectInspector.java:64)
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDAFAverage$AbstractGenericUDAFAverageEvaluator.merge(GenericUDAFAverage.java:353)
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.aggregate(GenericUDAFEvaluator.java:186)
> at
> org.apache.hadoop.hive.ql.exec.GroupByOperator.updateAggregations(GroupByOperator.java:641)
> at
> org.apache.hadoop.hive.ql.exec.GroupByOperator.processAggr(GroupByOperator.java:905)
> at
> org.apache.hadoop.hive.ql.exec.GroupByOperator.processKey(GroupByOperator.java:737)
> at
> org.apache.hadoop.hive.ql.exec.GroupByOperator.processOp(GroupByOperator.java:803)
> ... 4 more
> {noformat}
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