[
https://issues.apache.org/jira/browse/PARQUET-334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14628056#comment-14628056
]
li xiang commented on PARQUET-334:
----------------------------------
Update parquet-pig/src/main/java/parquet/pig/summary/Summary.java to yield a
more clear stack trace.
java.lang.NullPointerException
at parquet.pig.summary.Summary.setInputSchema(Summary.java:261)
at
org.apache.pig.newplan.logical.expression.ExpToPhyTranslationVisitor.visit(ExpToPhyTranslationVisitor.java:512)
at
org.apache.pig.newplan.logical.expression.UserFuncExpression.accept(UserFuncExpression.java:113)
at
org.apache.pig.newplan.ReverseDependencyOrderWalkerWOSeenChk.walk(ReverseDependencyOrderWalkerWOSeenChk.java:69)
at
org.apache.pig.newplan.logical.relational.LogToPhyTranslationVisitor.visit(LogToPhyTranslationVisitor.java:807)
at
org.apache.pig.newplan.logical.relational.LOForEach.accept(LOForEach.java:87)
at
org.apache.pig.newplan.DependencyOrderWalker.walk(DependencyOrderWalker.java:75)
at org.apache.pig.newplan.PlanVisitor.visit(PlanVisitor.java:52)
at
org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.compile(HExecutionEngine.java:260)
at
org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.launchPig(HExecutionEngine.java:295)
at org.apache.pig.PigServer.launchPlan(PigServer.java:1390)
at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1375)
at org.apache.pig.PigServer.execute(PigServer.java:1364)
at org.apache.pig.PigServer.access$500(PigServer.java:113)
at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1689)
at org.apache.pig.PigServer.registerQuery(PigServer.java:623)
at org.apache.pig.PigServer.registerQuery(PigServer.java:636)
at parquet.pig.summary.TestSummary.testPigScript(TestSummary.java:139
> UT TestSummary failed with java.lang.RuntimeException: Usage: B = FOREACH
> (GROUP A ALL) GENERATE Summary(A); Can not get schema from null when Pig is
> 0.15+
> -----------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: PARQUET-334
> URL: https://issues.apache.org/jira/browse/PARQUET-334
> Project: Parquet
> Issue Type: Bug
> Components: parquet-mr
> Affects Versions: 1.6.0
> Reporter: li xiang
> Priority: Critical
>
> org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1002: Unable to
> store alias B
> at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1694)
> at org.apache.pig.PigServer.registerQuery(PigServer.java:623)
> at org.apache.pig.PigServer.registerQuery(PigServer.java:636)
> at parquet.pig.summary.TestSummary.testMaxIsZero(TestSummary.java:154)
> ...
> Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 0:
> java.lang.RuntimeException: Usage: B = FOREACH (GROUP A ALL) GENERATE
> Summary(A); Can not get schema from null
> at
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.launchPig(HExecutionEngine.java:307)
> at org.apache.pig.PigServer.launchPlan(PigServer.java:1390)
> at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1375)
> at org.apache.pig.PigServer.execute(PigServer.java:1364)
> at org.apache.pig.PigServer.access$500(PigServer.java:113)
> at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1689)
> ... 32 more
> Caused by: java.lang.RuntimeException: Usage: B = FOREACH (GROUP A ALL)
> GENERATE Summary(A); Can not get schema from null
> at parquet.pig.summary.Summary.setInputSchema(Summary.java:266)
> at
> org.apache.pig.newplan.logical.expression.ExpToPhyTranslationVisitor.visit(ExpToPhyTranslationVisitor.java:530)
> at
> org.apache.pig.newplan.logical.expression.UserFuncExpression.accept(UserFuncExpression.java:132)
> at
> org.apache.pig.newplan.ReverseDependencyOrderWalkerWOSeenChk.walk(ReverseDependencyOrderWalkerWOSeenChk.java:69)
> at
> org.apache.pig.newplan.logical.relational.LogToPhyTranslationVisitor.visit(LogToPhyTranslationVisitor.java:808)
> at
> org.apache.pig.newplan.logical.relational.LOForEach.accept(LOForEach.java:87)
> at
> org.apache.pig.newplan.DependencyOrderWalker.walk(DependencyOrderWalker.java:75)
> at org.apache.pig.newplan.PlanVisitor.visit(PlanVisitor.java:52)
> at
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.compile(HExecutionEngine.java:258)
> at
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.launchPig(HExecutionEngine.java:293)
> ... 37 more
> Caused by: java.lang.NullPointerException
> at parquet.pig.summary.Summary.setInputSchema(Summary.java:261)
> ... 46 more
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