Suggestions To Fix Frontend Exception Error 1066 Iterator For Alias Cannot Be Opened

If you’re getting frontend error 1066 unable to open iterator to alias on your computer, this user guide should help.

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    frontend exception error 1066 unable to open iterator for alias

    I’m trying to run a simple script from a virtual machine, but I’m getting the previous error. Does anyone know how to set this up?

    grunt> load_data = load 'user/root/pig_demo.txt';grunt > load_data dump
    Pig stack 1066: Tracer---------------Error Failed to open iterator for alias load_data. Backend Error: java.lang.IllegalStateException: task on state Set RUNNING insteadorg.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Failed to open iterator alias load_data. Server Side Error - java.lang.IllegalStateException: Task is in DEFINE state, not RUNNING state from org.apache.pig.PigServer.openIterator(PigServer.java:1009)        at org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:747)        at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:376)        by calling org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:231)        at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:206)        found at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:66)        at org.apache.pig.Main.run(Main.java:566)        available at org.apache.pig.Main.main(Main.java:178)        at sun.reflect.NativeMethodAccessorImpl.invoke0 (native method)        with sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)       at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)        via java.lang.reflect.Method.invoke(Method.java:498)        org at.apache.hadoop.util.RunJar.run(RunJar.java:233)        online at.apache.hadoop.util.RunJar.main(RunJar.java:148)Caused by: org.apache.pig.backend.executionengine.ExecException: Null ERROR: java.lang.IllegalStateException: Task in DEFINE state or otherwise RUNNING from org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.getStats(MapReduceLauncher.java:822)       At org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:452)       At org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.launchPig(HExecutionEngine.java:308)        inside org.apache.pig.PigServer.launchPlan(PigServer.java:1474)        at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1459)        only on org.apache.pig.PigServer.storeEx(PigServer.java:1118)        at org.apache.pig.PigServer.store(PigServer.java:1081)        with org.apache.pig.PigServer.openIterator(PigServer.java:994)        ... young ballerinas moreCaused by: java.lang.IllegalStateException: task is in DEFINE state instead of RUNNING or by calling org.apache.hadoop.mapreduce.Job.ensureState(Job.java:292)        at org.apache.hadoop.mapreduce.Job.getTaskReports(Job.java:534)        by going to org.apache.pig.backend.hadoop.executionengine.shims.HadoopShims.getTaskReports(HadoopShims.java:235).        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.getStats(MapReduceLauncher.java:801)        ... more

    I’m getting the error Failed to open iterator for alias to help with LOAD and DUMP operationswith Pig. I have already looked at the answers to:

    frontend exception error 1066 unable to open iterator for alias

    Operating system: Windows 7Pig version: 0.13.0mode: local

    As for the error, it shows that the exception was actually thrown by By” when the change path failed.File authorization in the TMP directory. But when I checked the TMP directory, there is no such data (perhaps it was deleted after the sale ended?).

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  • 'D:HHADOOP-2.6.0binhadoop-config.cmd' is not used as an internal or USB command,executable program or stack of files.01/15/24 09:20:22 INFO pig.ExecTypeProvider: ExecType Tried: LOCAL01/15/24 09:20:22 INFO pig.ExecTypeProvider: selected LOCAL as ExecType2015-01-24 09:20:22.909 [Main] INFO org.apache.pig.Main 1 . Apache Pig version 0.13.0 (r1606446) compiled Jun 29 02:29:342015-01-24 2014 09:20:22,909 [main] INFO org.apache.pig.- main Write error messages to: d:Pigpig-0.13.0binn2015-01-24 09:20:24,267 [main] INFO org.apache.pig.impl.util.Utils - boot implication file C:UsersVenkat/.Not pigbootup found2015-01-24 09:20:24,438 [main] INFO org.apache.pig.backend.hadoop.executionengine.HExecutionEngine Connection - Hadoop filesystem at: file:///2015-01-24 09:20:26,205 [main] WARN org.apache.hadoop.util.NativeCodeLoader - unable to load native Hadoop for this   platform libraries... using Java classes built in somewhere 09:20:26.236 applicable2015-01-24 [main] ERROR org.apache.pig.tools.grunt.Grunt including ERROR Unable 1066: open iterator for alias a2015-01-24 09:20:26,236 [main] ERROR org.apache.pig.tools.grunt.Grunt - org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to open iterator for l 'aka a   at org.apache.pig.PigServer.openIterator(PigServer.java:912)   at org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:752)   In org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:372)    web on.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:228)    available at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:203)    at org.apache.pig.tools.grunt.Grunt.exec (Grunt.java:81)   On org.apache.pig.Main.run(Main.java:479)    at org.apache.pig.Main.main(Main.java:156)Caused by: org.apache.pig.backend.datastorage.DataStorageException: ERROR 0: java.io.IOException: Failed to set permissions on path: tmptemp946561981 0700 at org.apache.pig.impl.io.FileLocalizer.relativeRoot(FileLocalizer.java:484)    org at.apache.pig.impl.io.FileLocalizer.getTemporaryPath(FileLocalizer.java:515)   at org.apache.pig.impl.io.FileLocalizer.getTemporaryPath(FileLocalizer.java:511)    Internet at.apache.pig.PigServer.openIterator(PigServer.java:887)    ... a lot moreCaused by: java.io.IOException: permission aggregation error on path: tmptemp946561981 0700 it would be org.apache.hadoop.fs.FileUtil.checkReturnValue(FileUtil.java:689)   in org.apache.hadoop.fs.FileUtil.setPermission(FileUtil.java:662)    org at.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:509)    online at.apache.hadoop.fs.FilterFileSystem.setPermission(FilterFileSystem.java:286)    world wide web on.apache.pig.backend.hadoop.datastorage.HPath.setPermission(HPath.java:122)    with org.apache.pig.impl.io.FileLocalizer.createRelativeRoot(FileLocalizer.java:495)   at org.apache.pig.impl.io.FileLocalizer.relativeRoot(FileLocalizer.java:481)    ... 10 more

    Tracking A Bunch Of Pigs

    ERROR 1066: Cannot iterate your windows. behind a pseudonymorg.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Failed to open iterator for alias a at org.apache.pig.PigServer.openIterator(PigServer.java:912) at org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:752) In org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:372) World Wide Web at.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:228) at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:203) Direction org.apache.pig.tools.grunt.Grunt.exec (Grunt.java:81) On org.apache.pig.Main.run(Main.java:479) at org.apache.pig.Main.main(Main.java:156)Caused by: org.apache.pig.backend.datastorage.DataStorageException: ERROR 0: java.io.IOException: Failed to organize path permissions: tmptemp946561981 0700 You can go to org.apache.pig.impl.io.FileLocalizer.relativeRoot(FileLocalizer.java:484) org at.apache.pig.impl.io.FileLocalizer.getTemporaryPath(FileLocalizer.java:515) at org.apache.pig.impl.io.FileLocalizer.getTemporaryPath(FileLocalizer.java:511) network at.apache.pig.PigServer.openIterator(PigServer.java:887) … some moreCaused by: java.io.IOException: Error setting permissions for path: tmptemp946561981 0700 always org.apache.hadoop.fs.FileUtil.checkReturnValue(FileUtil.java:689) at org.apache.hadoop.fs.FileUtil.setPermission(FileUtil.java:662) org at.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:509) org at.apache.hadoop.fs.FilterFileSystem.setPermission(FilterFileSystem.java:286) world wide web on.apache.pig.backend.hadoop.datastorage.HPath.setPermission(HPath.java:122) at org.apache.pig.impl.io.FileLocalizer.createRelativeRoot(FileLocalizer.java:495) Found at org.apache.pig.impl.io.FileLocalizer.relativeRoot(FileLocalizer.java:481)

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