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From wesley dias <wesleyd...@outlook.com>
Subject Issue with windowing function UDAF registeration
Date Thu, 27 Nov 2014 03:35:38 GMT
Hi,

 

While executing a simple select query using
a custom windowing UDAF I created I am constantly running into this error.

 

Error: java.lang.RuntimeException: Error in configuring
object

        at
org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109)

        at
org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75)

        at
org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)

        at
org.apache.hadoop.mapred.ReduceTask.runOldReducer(ReduceTask.java:409)

        at
org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:392)

        at
org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:168)

        at
java.security.AccessController.doPrivileged(Native Method)

        at
javax.security.auth.Subject.doAs(Subject.java:415)

        at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1594)

        at
org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:163)

Caused by: java.lang.reflect.InvocationTargetException

        at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

        at
java.lang.reflect.Method.invoke(Method.java:606)

        at
org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106)

        ... 9 more

Caused by: java.lang.RuntimeException: Reduce operator
initialization failed

        at
org.apache.hadoop.hive.ql.exec.mr.ExecReducer.configure(ExecReducer.java:173)

        ... 14 more

Caused by: java.lang.NullPointerException

        at
org.apache.hadoop.hive.ql.exec.FunctionRegistry.getFunctionInfo(FunctionRegistry.java:647)

        at
org.apache.hadoop.hive.ql.exec.FunctionRegistry.getWindowFunctionInfo(FunctionRegistry.java:1875)

        at
org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction.streamingPossible(WindowingTableFunction.java:150)

        at
org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction.setCanAcceptInputAsStream(WindowingTableFunction.java:221)

        at
org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction.initializeStreaming(WindowingTableFunction.java:266)

        at
org.apache.hadoop.hive.ql.exec.PTFOperator$PTFInvocation.initializeStreaming(PTFOperator.java:292)

        at
org.apache.hadoop.hive.ql.exec.PTFOperator.initializeOp(PTFOperator.java:86)

        at
org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:376)

        at
org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:460)

        at
org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:416)

        at
org.apache.hadoop.hive.ql.exec.ExtractOperator.initializeOp(ExtractOperator.java:40)

        at
org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:376)

        at
org.apache.hadoop.hive.ql.exec.mr.ExecReducer.configure(ExecReducer.java:166)

        ... 14 more

 

Just wanted to check if any of you have faced this earlier. Also
when I try to run the Custom UDAF on another server it works fine. The only
difference I can see it that the hive version I am using on my local machine is
0.13.1 where it is working and on the other machine it is 0.13.0 where I see the above mentioned
error. I am not sure if this was a bug
which was fixed in the later release but I just wanted to confirm the same.

 

Regards,

 

Wesley 		 	   		  
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