我正在尝试使用MRUnit1.0.0来测试Hadoopv2Reducer,但在尝试时出现异常:java.lang.IncompatibleClassChangeError:Foundclassorg.apache.hadoop.mapreduce.TaskInputOutputContext,butinterfacewasexpectedatorg.apache.hadoop.mrunit.internal.mapreduce.AbstractMockContextWrapper.createCommon(AbstractMockContextWrapper.java:59)atorg