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Issue while quering Hive
Hi All,

I have setup Hadoop, hive setup and trying to load gzip file in hadoop cluster. Files are loaded successfully and can be view on web UI. While executing Select query it gives me the below mentioned error.

ERROR org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException as:nxtbig (auth:SIMPLE) cause:java.io.IOException: java.lang.reflect.InvocationTargetException
2013-09-16 09:11:18,971 WARN org.apache.hadoop.mapred.Child: Error running child
java.io.IOException: java.lang.reflect.InvocationTargetException
        at org.apache.hadoop.hive.io.HiveIOExceptionHandlerChain.handleRecordReaderCreationException(HiveIOExceptionHandlerChain.java:97)
        at org.apache.hadoop.hive.io.HiveIOExceptionHandlerUtil.handleRecordReaderCreationException(HiveIOExceptionHandlerUtil.java:57)
        at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.initNextRecordReader(HadoopShimsSecure.java:369)
        at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.<init>(HadoopShimsSecure.java:316)
        at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileInputFormatShim.getRecordReader(HadoopShimsSecure.java:430)
        at org.apache.hadoop.hive.ql.io.CombineHiveInputFormat.getRecordReader(CombineHiveInputFormat.java:540)
        at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:395)
        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:333)
        at org.apache.hadoop.mapred.Child$4.run(Child.java:268)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1407)
        at org.apache.hadoop.mapred.Child.main(Child.java:262)
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.initNextRecordReader(HadoopShimsSecure.java:355)
        ... 10 more
Caused by: java.io.IOException: hdfs://localhost:54310/user/hive/warehouse/cpj_tbl/cpj.csv.gz not a SequenceFile
        at org.apache.hadoop.io.SequenceFile$Reader.init(SequenceFile.java:1805)
        at org.apache.hadoop.io.SequenceFile$Reader.initialize(SequenceFile.java:1765)
        at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1714)
        at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1728)
        at org.apache.hadoop.mapred.SequenceFileRecordReader.<init>(SequenceFileRecordReader.java:43)
        at org.apache.hadoop.mapred.SequenceFileInputFormat.getRecordReader(SequenceFileInputFormat.java:59)
        at org.apache.hadoop.hive.ql.io.CombineHiveRecordReader.<init>(CombineHiveRecordReader.java:65)
        ... 15 more

Can anybody help me on this.

Thanks & Regards,
Rinku Garg

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