cast cast exception in local mode

Hello,

I am getting following error sometimes in local mode

java.lang.Exception: java.lang.ClassCastException:
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigSplit
incompatible with org.apache.hadoop.mapreduce.lib.input.FileSplit
at
org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:412)

I am using pig 0.11.1
Any help is appreciated !!

Thanks !!