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courses:mapreduce-tutorial:if-things-go-wrong [2012/02/06 13:49] straka |
courses:mapreduce-tutorial:if-things-go-wrong [2012/02/06 13:51] straka |
* ''Hadoop::Runner.pm'' module not found: The Perl Hadoop package is not configured, see [[.:step-1|Setting the environment]]. | * ''Hadoop::Runner.pm'' module not found: The Perl Hadoop package is not configured, see [[.:step-1|Setting the environment]]. |
* ''ipc.Client: Retrying connect to server: IP_ADDRESS:PORT. Already tried ? time(s)'': The jobtracker cannot be contacted. If using ''-jt jobtracker:port'' flag, check, that the jobtracker address is correct. | * ''ipc.Client: Retrying connect to server: IP_ADDRESS:PORT. Already tried ? time(s)'': The jobtracker cannot be contacted. If using ''-jt jobtracker:port'' flag, check, that the jobtracker address is correct. |
| * ''/net/projects/hadoop/bin/hadoop-cluster'' fails to start a cluster: Look where the jobtracker was scheduled by SGE using ''qstat''. Login to that machine and investigate logs in ''/var/log/hadoop/$USER/$SGE_JOBID/''. |