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From ahmed nagy <ahmed_said_n...@hotmail.com>
Subject Re: no jobtracker to stop,no namenode to stop
Date Tue, 08 Feb 2011 16:28:16 GMT

I am facing the same problem I look in the log files I find this that error 

FATAL org.apache.hadoop.mapred.JobTracker: java.net.BindException:
Problem binding to cannonau.isti.cnr.it/146.48.82.190:9001 : Address already
in use

I also did a netstat to see whether the port is in use but it does not show
that the port is in use I also changed the port and did another netstat and
the error is the same 
any ideas ? please help
when i stop hadoop here is what i get  there is no namenode to stop and
there is no job tracker
ahmednagy@cannonau:~/HadoopStandalone/hadoop-0.21.0/bin$ ./stop-all.sh
This script is Deprecated. Instead use stop-dfs.sh and stop-mapred.sh
no namenode to stop
n01: stopping datanode
n02: stopping datanode
n07: stopping datanode
n06: stopping datanode
n03: stopping datanode
n04: stopping datanode
n08: stopping datanode
n05: stopping datanode
localhost: no secondarynamenode to stop
no jobtracker to stop
n03: stopping tasktracker
n01: stopping tasktracker
n04: stopping tasktracker
n06: stopping tasktracker
n02: stopping tasktracker
n05: stopping tasktracker
n08: stopping tasktracker
n07: stopping tasktracker



I made jps

and here is the result
1580 Jps
20972 RunJar
22216 RunJar


2011-02-08 15:25:45,610 INFO org.apache.hadoop.mapred.JobTracker:
STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting JobTracker
STARTUP_MSG:   host = cannonau.isti.cnr.it/146.48.82.190
STARTUP_MSG:   args = []
STARTUP_MSG:   version = 0.21.0
STARTUP_MSG:   classpath =
/home/ahmednagy/HadoopStandalone/hadoop-0.21.0/bin/../conf:/usr/lib/jvm/java-6-sun/lib/tools.jar:/home/ahmednagy/HadoopStandalone$
STARTUP_MSG:   build =
https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.21 -r
985326; compiled by 'tomwhite' on Tue Aug 17 01:02:28 EDT 2010
************************************************************/
2011-02-08 15:25:46,737 INFO org.apache.hadoop.security.Groups: Group
mapping impl=org.apache.hadoop.security.ShellBasedUnixGroupsMapping;
cacheTimeout=3000$
2011-02-08 15:25:46,752 INFO org.apache.hadoop.mapred.JobTracker: Starting
jobtracker with owner as ahmednagy and supergroup as supergroup
2011-02-08 15:25:46,755 INFO
org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager:
Updating the current master key for generatin$
2011-02-08 15:25:46,758 INFO
org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager:
Starting expired delegation token remover thr$
2011-02-08 15:25:46,759 INFO
org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager:
Updating the current master key for generatin$
2011-02-08 15:25:46,760 INFO org.apache.hadoop.mapred.JobTracker: Scheduler
configured with (memSizeForMapSlotOnJT, memSizeForReduceSlotOnJT,
limitMaxMemFor$
2011-02-08 15:25:46,762 INFO org.apache.hadoop.util.HostsFileReader:
Refreshing hosts (include/exclude) list
2011-02-08 15:25:46,791 INFO org.apache.hadoop.mapred.QueueManager:
AllQueues : {default=default}; LeafQueues : {default=default}
2011-02-08 15:25:46,873
FATAL org.apache.hadoop.mapred.JobTracker: java.net.BindException:
Problem binding to cannonau.isti.cnr.it/146.48.82.190:9001 : Address already
in use
        at org.apache.hadoop.ipc.Server.bind(Server.java:218)
        at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:289)
        at org.apache.hadoop.ipc.Server.<init>(Server.java:1443)
        at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:343)
        at
org.apache.hadoop.ipc.WritableRpcEngine$Server.<init>(WritableRpcEngine.java:324)
        at
org.apache.hadoop.ipc.WritableRpcEngine.getServer(WritableRpcEngine.java:284)
        at
org.apache.hadoop.ipc.WritableRpcEngine.getServer(WritableRpcEngine.java:45)
        at org.apache.hadoop.ipc.RPC.getServer(RPC.java:331)
        at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:1450)
        at
org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:258)
        at
org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:250)
        at
org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:245)
        at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:4164)
Caused by: java.net.BindException: Address already in use
        at sun.nio.ch.Net.bind(Native Method)
        at
sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:119)
        at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:59)
        at org.apache.hadoop.ipc.Server.bind(Server.java:216)
        ... 12 more

2011-02-08 15:25:46,875 INFO org.apache.hadoop.mapred.JobTracker:
SHUTDOWN_MSG:

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