FAQ
Hi,
While starting hadoop process we are getting the following error in logs
tasktracker in datanode is not able to connect back to jobtracker (but
jobtracker on the other machine started successfully and listening on port
9001) ... i'm using Nutch0.9.1 version and Hadoop0.9.1 ..

2007-01-04 23:57:35,559 INFO ipc.Server - IPC Server handler 17 on 50050:
starting
2007-01-04 23:57:35,559 INFO ipc.Server - IPC Server handler 18 on 50050:
starting
2007-01-04 23:57:35,559 INFO mapred.TaskTracker - Starting tracker
tracker_websearch3:50050
2007-01-04 23:57:35,559 INFO ipc.Server - IPC Server handler 19 on 50050:
starting
2007-01-04 23:57:35,566 INFO ipc.Client -
org.apache.hadoop.io.ObjectWritableConnection culler maxidletime= 1000ms
2007-01-04 23:57:35,567 INFO ipc.Client -
org.apache.hadoop.io.ObjectWritable Connection Culler: starting
2007-01-04 23:57:35,589 INFO ipc.Client - Retrying connect to server:
websearch1/10.50.12.220:9001. Already tried 1 time(s).
2007-01-04 23:57:36,590 INFO ipc.Client - Retrying connect to server:
websearch1/10.50.12.220:9001. Already tried 2 time(s).
2007-01-04 23:57:37,600 INFO ipc.Client - Retrying connect to server:
websearch1/10.50.12.220:9001. Already tried 3 time(s).
2007-01-04 23:57:38,610 INFO ipc.Client - Retrying connect to server:
websearch1/10.50.12.220:9001. Already tried 4 time(s).
2007-01-04 23:57:39,620 INFO ipc.Client - Retrying connect to server:
websearch1/10.50.12.220:9001. Already tried 5 time(s).
2007-01-04 23:57:40,630 INFO ipc.Client - Retrying connect to server:
websearch1/10.50.12.220:9001. Already tried 6 time(s).
2007-01-04 23:57:41,640 INFO ipc.Client - Retrying connect to server:
websearch1/10.50.12.220:9001. Already tried 7 time(s).
2007-01-04 23:57:42,650 INFO ipc.Client - Retrying connect to server:
websearch1/10.50.12.220:9001. Already tried 8 time(s).
2007-01-04 23:57:43,660 INFO ipc.Client - Retrying connect to server:
websearch1/10.50.12.220:9001. Already tried 9 time(s).
2007-01-04 23:57:44,670 INFO ipc.Client - Retrying connect to server:
websearch1/10.50.12.220:9001. Already tried 10 time(s).
2007-01-04 23:57:45,680 INFO ipc.RPC - Server at
websearch1/10.50.12.220:9001 not available yet, Zzzzz...
2007-01-04 23:57:46,690 INFO ipc.Client - Retrying connect to server:
websearch1/10.50.12.220:9001. Already tried 1 time(s).
2007-01-04 23:57:47,700 INFO ipc.Client - Retrying connect to server:
websearch1/10.50.12.220:9001. Already tried 2 time(s).
2007-01-04 23:57:48,710 INFO ipc.Client - Retrying connect to server:
websearch1/10.50.12.220:9001. Already tried 3 time(s).
2007-01-04 23:57:49,720 INFO ipc.Client - Retrying connect to server:
websearch1/10.50.12.220:9001. Already tried 4 time(s).


can any one help? regarding this????? does something to do with hadoop
configuration?
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postedJan 5, '07 at 6:24a
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