Hi, I am encountering a ClassCastException in my custom Tool class:
14/01/08 15:58:15 ERROR step.AbstractStep: Encountered an error executing the step java.lang.ClassCastException: org.apache.giraph.conf.GiraphConfiguration cannot be cast to org.apache.hadoop.mapred.JobConf at org.apache.hadoop.mapreduce.Job$1.run(Job.java:513) 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:1149) at org.apache.hadoop.mapreduce.Job.connect(Job.java:511) at org.apache.hadoop.mapreduce.Job.submit(Job.java:499) at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:530) at com.johnyost.analytics.TwitterSpringRunner.run(TwitterSpringRunner.java:72) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) Looking at the Hadoop Job source code, the ClassCastException is being thrown here:
