are r able to create a file in /tmp directory with the same user. this is b'coz there is an error - /tmp/hadoop-user-namenode.pid: Permission denied Thanks n Regards Nishi Gupta Tata Consultancy Services Mailto: [EMAIL PROTECTED] Website: http://www.tcs.com ____________________________________________ Experience certainty. IT Services Business Solutions Outsourcing ____________________________________________
Leeau <[EMAIL PROTECTED]> 12/04/2008 04:13 PM Please respond to core-user@hadoop.apache.org To core-user@hadoop.apache.org cc Subject an error on namenode startup, Dear, I want to config a 4-site hadoop cluster. but failed. Who can help me to know why? and how can i start it? thanks. environment: Cent OS 5.2, hadoop-site.xml setting: fs.default.name hdfs://master.cloud:9000 mapred.job.tracker hdfs://master.cloud:9001 hadoop.tmp.dir /home/user/hadoop/tmp/ mapred.chile.java.opts Xmls512M when i run startup-dfs, it shows: $ start-dfs.sh starting namenode, logging to /home/user/hadoop-0.17.2.1/bin/../logs/hadoop-user-namenode-master.cloud.out /home/user/hadoop-0.17.2.1/bin/hadoop-daemon.sh: line 117: /tmp/hadoop-user-namenode.pid: Permission denied slave3.cloud: starting datanode, logging to /home/user/hadoop-0.17.2.1/bin/../logs/hadoop-user-datanode-slave3.cloud.out slave2.cloud: starting datanode, logging to /home/user/hadoop-0.17.2.1/bin/../logs/hadoop-user-datanode-slave2.cloud.out slave4.cloud: starting datanode, logging to /home/user/hadoop-0.17.2.1/bin/../logs/hadoop-user-datanode-slave4.cloud.out master.cloud: starting secondarynamenode, logging to /home/user/hadoop-0.17.2.1/bin/../logs/hadoop-user-secondarynamenode-master.cloud.out the log shows: 2008-12-04 17:59:10,696 INFO org.apache.hadoop.dfs.NameNode: STARTUP_MSG: /************************************************************ STARTUP_MSG: Starting NameNode STARTUP_MSG: host = master.cloud/10.100.4.226 STARTUP_MSG: args = [] STARTUP_MSG: version = 0.17.2.1 STARTUP_MSG: build = https://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.17 -r 684969; compiled by 'oom' on Wed Aug 20 22:29:32 UTC 2008 ************************************************************/ 2008-12-04 17:59:10,823 INFO org.apache.hadoop.ipc.metrics.RpcMetrics: Initializing RPC Metrics with hostName=NameNode, port=9000 2008-12-04 17:59:10,830 INFO org.apache.hadoop.dfs.NameNode: Namenode up at: master.cloud/10.100.4.226:9000 2008-12-04 17:59:10,834 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: Initializing JVM Metrics with processName=NameNode, sessionId=null 2008-12-04 17:59:10,838 INFO org.apache.hadoop.dfs.NameNodeMetrics: Initializing NameNodeMeterics using context object:org.apache.hadoop.metrics.spi.NullContext 2008-12-04 17:59:10,924 INFO org.apache.hadoop.fs.FSNamesystem: fsOwner=user,users 2008-12-04 17:59:10,924 INFO org.apache.hadoop.fs.FSNamesystem: supergroup=supergroup 2008-12-04 17:59:10,924 INFO org.apache.hadoop.fs.FSNamesystem: isPermissionEnabled=true 2008-12-04 17:59:10,983 INFO org.apache.hadoop.fs.FSNamesystem: Finished loading FSImage in 102 msecs 2008-12-04 17:59:10,985 INFO org.apache.hadoop.dfs.StateChange: STATE* Leaving safe mode after 0 secs. 2008-12-04 17:59:10,986 INFO org.apache.hadoop.dfs.StateChange: STATE* Network topology has 0 racks and 0 datanodes 2008-12-04 17:59:10,986 INFO org.apache.hadoop.dfs.StateChange: STATE* UnderReplicatedBlocks has 0 blocks 2008-12-04 17:59:10,993 INFO org.apache.hadoop.fs.FSNamesystem: Registered FSNamesystemStatusMBean 2008-12-04 17:59:11,066 INFO org.mortbay.util.Credential: Checking Resource aliases 2008-12-04 17:59:11,176 INFO org.mortbay.http.HttpServer: Version Jetty/5.1.4 2008-12-04 17:59:11,178 INFO org.mortbay.util.Container: Started HttpContext [/static,/static] 2008-12-04 17:59:11,178 INFO org.mortbay.util.Container: Started HttpContext [/logs,/logs] 2008-12-04 17:59:11,557 INFO org.mortbay.util.Container: Started [EMAIL PROTECTED] 2008-12-04 17:59:11,618 INFO org.mortbay.util.Container: Started WebApplicationContext[/,/] 2008-12-04 17:59:11,619 WARN org.mortbay.util.ThreadedServer: Failed to start: [EMAIL PROTECTED]:50070 2008-12-04 17:59:11,619 WARN org.apache.hadoop.fs.FSNamesystem: ReplicationMonitor thread received InterruptedException.java.lang.InterruptedException: sleep interrupted 2008-12-04 17:59:11,620 ERROR org.apache.hadoop.fs.FSNamesystem: java.lang.InterruptedException at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.reportInterruptAfterWait(AbstractQueuedSynchronizer.java:1899) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1934) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:358) at org.apache.hadoop.dfs.FSNamesystem$ResolutionMonitor.run(FSNamesystem.java:1931) at java.lang.Thread.run(Thread.java:619) 2008-12-04 17:59:11,621 INFO org.apache.hadoop.fs.FSNamesystem: Number of transactions: 0 Total time for transactions(ms): 0 Number of syncs: 0 SyncTimes(ms): 0 2008-12-04 17:59:11,674 INFO org.apache.hadoop.ipc.Server: Stopping server on 9000 2008-12-04 17:59:11,730 ERROR org.apache.hadoop.dfs.NameNode: java.net.BindException: Address already in use at java.net.PlainSocketImpl.socketBind(Native Method) at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:359) at java.net.ServerSocket.bind(ServerSocket.java:319) at java.net.ServerSocket.<init>(ServerSocket.java:185) at org.mortbay.util.ThreadedServer.newServerSocket(ThreadedServer.java:391) at org.mortbay.util.ThreadedServer.open(ThreadedServer.java:477) at org.mortbay.util.ThreadedServer.start(ThreadedServer.java:503) at org.mortbay.http.SocketListener.start(SocketListener.java:203) at org.mortbay.http.HttpServer.doStart(HttpServer.java:761) at org.mortbay.util.Container.start(Container.java:72) at org.apache.hadoop.mapred.StatusHttpServer.start(StatusHttpServer.java:207) at org.apache.hadoop.dfs.FSNamesystem.initialize(FSNamesystem.java:335) at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:255) at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:133) at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:178) at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:164) at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:846) at org.apache.hadoop.dfs.NameNode.main(NameNode.java:855) 2008-12-04 17:59:11,733 INFO org.apache.hadoop.dfs.NameNode: SHUTDOWN_MSG: /************************************************************ SHUTDOWN_MSG: Shutting down NameNode at master.cloud/10.100.4.226 ************************************************************/ in web, it shows: Hadoop NameNode localhost:9100 Cluster Summary***1 files and directories, 0 blocks = 1 total. Heap Size is 6.9 MB / 992.31 MB (0%) * Capacity : 0 KB DFS Remaining : 0 KB DFS Used : 0 KB DFS Used% : 0 % Live Nodes <#LiveNodes> : 0 Dead Nodes <#DeadNodes> : 0 ------------------------------ There are no datanodes in the cluster ForwardSourceID:NT00028CC2 =====-----=====-----===== Notice: The information contained in this e-mail message and/or attachments to it may contain confidential or privileged information. If you are not the intended recipient, any dissemination, use, review, distribution, printing or copying of the information contained in this e-mail message and/or attachments to it are strictly prohibited. If you have received this communication in error, please notify us by reply e-mail or telephone and immediately and permanently delete the message and any attachments. Thank you
