2010/1/18 Robin Anil <robin.a...@gmail.com>: > could you check the logs. you will see a bigger stack trace might lead back > to mahout classes
In the tasktracker logs I could find a more complete stacktrace (jetty related, not sign of mahout classes) and google could pointed me to this: https://issues.apache.org/jira/browse/MAPREDUCE-5 According to the comments the mapper output exhausts the heap space of the reducer. I'll try to change the settings of my reducers. -- Olivier http://twitter.com/ogrisel - http://code.oliviergrisel.name
