Please check 1. Required port should be free 2. Another instance of hadoop should not be running
On Tue, Feb 8, 2011 at 9:58 PM, ahmed nagy <ahmed_said_n...@hotmail.com>wrote: > > 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: > > -- > View this message in context: > http://hadoop-common.472056.n3.nabble.com/no-jobtracker-to-stop-no-namenode-to-stop-tp34874p2452336.html > Sent from the Users mailing list archive at Nabble.com. >
