Does Pig support Hadoop 2.2? When I try Pig 0.12 and Hadoop 2.2 I get an
error even with simple operations like
data = LOAD 'cql://keyspace1/testcf?' USING CqlStorage();
dump data;
I only got a warning first and then and exception:
2013-10-24 09:35:19,300 [main] WARN
org.apache.pig.backend.hadoop20.PigJobControl - falling back to default
JobControl (not using hadoop 0.20 ?)
java.lang.NoSuchFieldException: runnerState
at java.lang.Class.getDeclaredField(Class.java:1938)
at
org.apache.pig.backend.hadoop20.PigJobControl.<clinit>(PigJobControl.java:51)
at
org.apache.pig.backend.hadoop.executionengine.shims.HadoopShims.newJobControl(HadoopShims.java:97)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.compile(JobControlCompiler.java:285)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:177)
at org.apache.pig.PigServer.launchPlan(PigServer.java:1264)
at
org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1249)
at org.apache.pig.PigServer.storeEx(PigServer.java:931)
at org.apache.pig.PigServer.store(PigServer.java:898)
at org.apache.pig.PigServer.openIterator(PigServer.java:811)
at
org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:696)
at
org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:320)
at
org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:194)
at
org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:170)
at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:69)
at org.apache.pig.Main.run(Main.java:538)
at org.apache.pig.Main.main(Main.java:157)
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)
--------------------------------------
Backend error message during job submission
-------------------------------------------
Unexpected System Error Occured: java.lang.IncompatibleClassChangeError:
Found interface org.apache.hadoop.mapreduce.JobContext, but class was
expected
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.setupUdfEnvAndStores(PigOutputFormat.java:225)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.checkOutputSpecs(PigOutputFormat.java:186)
at
org.apache.hadoop.mapreduce.JobSubmitter.checkSpecs(JobSubmitter.java:456)
at
org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:342)
at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1268)
at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1265)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1491)
at org.apache.hadoop.mapreduce.Job.submit(Job.java:1265)
at
org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob.submit(ControlledJob.java:335)
at
org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl.run(JobControl.java:240)
at
org.apache.pig.backend.hadoop20.PigJobControl.run(PigJobControl.java:121)
at java.lang.Thread.run(Thread.java:724)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher$1.run(MapReduceLauncher.java:257)
Pig Stack Trace
---------------
ERROR 1066: Unable to open iterator for alias data
org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable
to open iterator for alias data
at org.apache.pig.PigServer.openIterator(PigServer.java:836)
at
org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:696)
at
org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:320)
at
org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:194)
at
org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:170)
at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:69)
at org.apache.pig.Main.run(Main.java:538)
at org.apache.pig.Main.main(Main.java:157)
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)
Caused by: java.io.IOException: Job terminated with anomalous status FAILED
at org.apache.pig.PigServer.openIterator(PigServer.java:828)
... 12 more
