Can anyone shed some light on why I would be getting the following error when submitting a simple crunch wordcount example. Other Hadoop MR applications work, just it seems that Crunch is confused about some class definitions.
I'm running hadoop-2.0.6-alpha and have build crunch to match. Hadoop 2.0.6-alpha Subversion Unknown -r ca4c88898f95aaab3fd85b5e9c194ffd647c2109 Compiled by jenkins on 2013-10-30T07:19Z >From source with checksum 95e88b2a9589fa69d6d5c1dbd48d4e 2014-02-25 13:23:00,049 INFO [main] org.apache.hadoop.mapred.MapTask: bufstart = 0; bufvoid = 268435456 2014-02-25 13:23:00,049 INFO [main] org.apache.hadoop.mapred.MapTask: kvstart = 67108860; length = 16777216 2014-02-25 13:23:00,070 FATAL [main] org.apache.hadoop.mapred.YarnChild: Error running child : java.lang.IncompatibleClassChangeError: org/apache/hadoop/mapreduce/JobContext.getConfiguration()Lorg/apache/hadoop/conf/Configuration; at org.apache.crunch.impl.mr.run.CrunchTaskContext.<init>(CrunchTaskContext.java:42) at org.apache.crunch.impl.mr.run.CrunchMapper.setup(CrunchMapper.java:37) at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:142) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:757) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:339) at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:158) at java.security.AccessController.doPrivileged(AccessController.java:366) at javax.security.auth.Subject.doAs(Subject.java:572) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1478) at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:153)
