pig0.12.0和hadoop2.2.0不匹配，具体解决办法见：http://programonkey.com/blog/?p=31
安装了hadoop2.2.0和pig0.12.0之后，运行grunt模式下使用dump发现以下错误：
2014-02-25 16:15:06,226 [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:1882)
at
org.apache.pig.backend.hadoop20.PigJobControl.(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:287)
at
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:177)
at
org.apache.pig.PigServer.launchPlan(PigServer.java:1320)
at
org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1305)
at
org.apache.pig.PigServer.execute(PigServer.java:1295)
at
org.apache.pig.PigServer.executeBatch(PigServer.java:375)
at
org.apache.pig.PigServer.executeBatch(PigServer.java:353)
at
org.apache.pig.tools.grunt.GruntParser.executeBatch(GruntParser.java:137)
at
org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:198)
at
org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:170)
at
org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:84)
at
org.apache.pig.Main.run(Main.java:480)
at
org.apache.pig.Main.main(Main.java:157)
at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at
java.lang.reflect.Method.invoke(Method.java:597)
at
org.apache.hadoop.util.RunJar.main(RunJar.java:208)
