Re: Why Hadoop can't find Reducer when Mapper reads data from HBase?

2012-07-12 Thread Stack
On Thu, Jul 12, 2012 at 1:15 PM, yonghu wrote: > java.lang.RuntimeException: java.lang.ClassNotFoundException: > com.mapreducetablescan.MRTableAccess$MTableReducer; > > Does anybody know why? > Its not in your job jar? Check the job jar (jar -tf JAR_FILE). St.Ack

Re: Why Hadoop can't find Reducer when Mapper reads data from HBase?

2012-07-12 Thread yonghu
Strage thing is the same program works fine in the cluster. By the way, also in pseudo mode when MapReduce read data from Cassandra in Map phase and transferred to Reduce phase, the same error happened. regards! Yong On Thu, Jul 12, 2012 at 2:01 PM, Stack wrote: > On Thu, Jul 12, 2012 at 1:15