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From "Chao (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-7591) GenMapRedUtils::addStatsTask only assumes either MapredWork or TezWork
Date Fri, 01 Aug 2014 04:19:38 GMT
Chao created HIVE-7591:
--------------------------

             Summary: GenMapRedUtils::addStatsTask only assumes either MapredWork or TezWork
                 Key: HIVE-7591
                 URL: https://issues.apache.org/jira/browse/HIVE-7591
             Project: Hive
          Issue Type: Bug
          Components: Spark
            Reporter: Chao


When running queries, I got exception like this:
FAILED: ClassCastException org.apache.hadoop.hive.ql.plan.SparkWork cannot be cast to org.apache.hadoop.hive.ql.plan.TezWork
14/07/31 15:08:53 ERROR ql.Driver: FAILED: ClassCastException org.apache.hadoop.hive.ql.plan.SparkWork
cannot be cast to org.apache.hadoop.hive.ql.plan.TezWork
java.lang.ClassCastException: org.apache.hadoop.hive.ql.plan.SparkWork cannot be cast to org.apache.hadoop.hive.ql.plan.TezWork
	at org.apache.hadoop.hive.ql.optimizer.GenMapRedUtils.addStatsTask(GenMapRedUtils.java:1419)
	at org.apache.hadoop.hive.ql.optimizer.GenMapRedUtils.isMergeRequired(GenMapRedUtils.java:1645)
	at org.apache.hadoop.hive.ql.parse.spark.GenSparkUtils.processFileSink(GenSparkUtils.java:313)
	at org.apache.hadoop.hive.ql.parse.spark.SparkCompiler.generateTaskTree(SparkCompiler.java:180)
	at org.apache.hadoop.hive.ql.parse.TaskCompiler.compile(TaskCompiler.java:199)
	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:9514)
	at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:207)
	at org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:74)
	at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:207)
	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:413)
	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:309)
	at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:984)
	at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1049)
	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:921)
	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:911)
	at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:265)
	at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:217)
	at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:427)
	at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:800)
	at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:694)
	at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:633)
	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.RunJar.main(RunJar.java:212)

Apparently, GenMapRedUtils::addStatsTask only assumes either MapredWork or TezWork, and since
we are introducing SparkWork, this need to be fixed.




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