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https://issues.apache.org/jira/browse/PIG-1652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thejas M Nair resolved PIG-1652.
--------------------------------
Resolution: Duplicate
Marking as duplicate of PIG-1649 because the code path to consolidate input
files in FRJoin also has the same issue.
> TestSortedTableUnion and TestSortedTableUnionMergeJoin fail on trunk due to
> estimateNumberOfReducers bug
> --------------------------------------------------------------------------------------------------------
>
> Key: PIG-1652
> URL: https://issues.apache.org/jira/browse/PIG-1652
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.8.0
> Reporter: Daniel Dai
> Assignee: Thejas M Nair
> Fix For: 0.8.0
>
>
> TestSortedTableUnion and TestSortedTableUnionMergeJoin fail on trunk due to
> the input size estimation. Here is the stack of TestSortedTableUnionMergeJoin:
> org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1002: Unable to
> store alias records3
> at org.apache.pig.PigServer.storeEx(PigServer.java:877)
> at org.apache.pig.PigServer.store(PigServer.java:815)
> at org.apache.pig.PigServer.openIterator(PigServer.java:727)
> at
> org.apache.hadoop.zebra.pig.TestSortedTableUnionMergeJoin.testStorer(TestSortedTableUnionMergeJoin.java:203)
> Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 2043:
> Unexpected error during execution.
> at
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.execute(HExecutionEngine.java:326)
> at
> org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1197)
> at org.apache.pig.PigServer.storeEx(PigServer.java:873)
> Caused by: java.lang.IllegalArgumentException: java.net.URISyntaxException:
> Illegal character in scheme name at index 69:
> org.apache.hadoop.zebra.pig.TestSortedTableUnionMergeJoin.testStorer1,file:
> at org.apache.hadoop.fs.Path.initialize(Path.java:140)
> at org.apache.hadoop.fs.Path.<init>(Path.java:126)
> at org.apache.hadoop.fs.Path.<init>(Path.java:50)
> at org.apache.hadoop.fs.FileSystem.globPathsLevel(FileSystem.java:963)
> at org.apache.hadoop.fs.FileSystem.globPathsLevel(FileSystem.java:966)
> at org.apache.hadoop.fs.FileSystem.globPathsLevel(FileSystem.java:966)
> at org.apache.hadoop.fs.FileSystem.globPathsLevel(FileSystem.java:966)
> at org.apache.hadoop.fs.FileSystem.globPathsLevel(FileSystem.java:966)
> at org.apache.hadoop.fs.FileSystem.globPathsLevel(FileSystem.java:966)
> at org.apache.hadoop.fs.FileSystem.globPathsLevel(FileSystem.java:966)
> at org.apache.hadoop.fs.FileSystem.globPathsLevel(FileSystem.java:966)
> at org.apache.hadoop.fs.FileSystem.globPathsLevel(FileSystem.java:966)
> at org.apache.hadoop.fs.FileSystem.globPathsLevel(FileSystem.java:966)
> at org.apache.hadoop.fs.FileSystem.globPathsLevel(FileSystem.java:966)
> at org.apache.hadoop.fs.FileSystem.globPathsLevel(FileSystem.java:966)
> at org.apache.hadoop.fs.FileSystem.globPathsLevel(FileSystem.java:966)
> at
> org.apache.hadoop.fs.FileSystem.globStatusInternal(FileSystem.java:902)
> at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:866)
> at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:844)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.getTotalInputFileSize(JobControlCompiler.java:715)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.estimateNumberOfReducers(JobControlCompiler.java:688)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.SampleOptimizer.visitMROp(SampleOptimizer.java:140)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceOper.visit(MapReduceOper.java:246)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceOper.visit(MapReduceOper.java:41)
> at
> org.apache.pig.impl.plan.DepthFirstWalker.depthFirst(DepthFirstWalker.java:69)
> at
> org.apache.pig.impl.plan.DepthFirstWalker.depthFirst(DepthFirstWalker.java:71)
> at
> org.apache.pig.impl.plan.DepthFirstWalker.walk(DepthFirstWalker.java:52)
> at org.apache.pig.impl.plan.PlanVisitor.visit(PlanVisitor.java:51)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.SampleOptimizer.visit(SampleOptimizer.java:69)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.compile(MapReduceLauncher.java:491)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:116)
> at
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.execute(HExecutionEngine.java:301)
> Caused by: java.net.URISyntaxException: Illegal character in scheme name at
> index 69:
> org.apache.hadoop.zebra.pig.TestSortedTableUnionMergeJoin.testStorer1,file:
> at java.net.URI$Parser.fail(URI.java:2809)
> at java.net.URI$Parser.checkChars(URI.java:2982)
> at java.net.URI$Parser.parse(URI.java:3009)
> at java.net.URI.<init>(URI.java:736)
> at org.apache.hadoop.fs.Path.initialize(Path.java:137)
> The reason is we are trying to do globStatus on a URL which is a comma
> seperated list. Here is the URL we get in
> JobControlCompiler.getTotalInputFileSize:
> file:///homes/jianyong/pig2/build/contrib/zebra/test/data/org.apache.hadoop.zebra.pig.TestSortedTableUnion.testStorer1,file:///homes/jianyong/pig2/build/contrib/zebra/test/data/org.apache.hadoop.zebra.pig.TestSortedTableUnion.testStorer2
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