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From Amandeep Khurana <ama...@gmail.com>
Subject Re: Problem with starting Hadoop in Pseudo Distributed Mode
Date Tue, 04 Aug 2009 00:02:50 GMT
I'm assuming that you have no data in HDFS since it never came up... So, go
ahead and clean up the directory where you are storing the datanode's data
and the namenode's metadata. After that format the namenode and restart
hadoop.


2009/8/3 Onur AKTAS <onur.aktas@live.com>

>
> Hi,
>
> I'm having troubles with running Hadoop in RHEL 5, I did everything as
> documented in:
> http://hadoop.apache.org/common/docs/r0.20.0/quickstart.html
>
> And configured:
> conf/core-site.xml, conf/hdfs-site.xml,
> conf/mapred-site.xml.
>
> Connected to "localhost" with ssh (did passphrase stuff etc.), then I did
> the following:
>
> $ bin/hadoop namenode -format
> $ bin/start-all.sh
> starting namenode, logging to
> /hda3/ps/hadoop-0.20.0/bin/../logs/hadoop-oracle-namenode-localhost.localdomain.out
> localhost: starting datanode, logging to
> /hda3/ps/hadoop-0.20.0/bin/../logs/hadoop-oracle-datanode-localhost.localdomain.out
> localhost: starting secondarynamenode, logging to
> /hda3/ps/hadoop-0.20.0/bin/../logs/hadoop-oracle-secondarynamenode-localhost.localdomain.out
> starting jobtracker, logging to
> /hda3/ps/hadoop-0.20.0/bin/../logs/hadoop-oracle-jobtracker-localhost.localdomain.out
> localhost: starting tasktracker, logging to
> /hda3/ps/hadoop-0.20.0/bin/../logs/hadoop-oracle-tasktracker-localhost.localdomain.out
>
> Everything seems ok, but when I check the Hadoop Logs I see many errors.
> (and they all cause HBase connection problems.)
> How can I solve this problem? Here are the Logs
>
>  hadoop-oracle-datanode-localhost.localdomain.log:
> 2009-08-04 02:54:28,971 INFO
> org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG:
> /************************************************************
> STARTUP_MSG: Starting DataNode
> STARTUP_MSG:   host = localhost.localdomain/127.0.0.1
> STARTUP_MSG:   args = []
> STARTUP_MSG:   version = 0.20.0
> STARTUP_MSG:   build =
> https://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.20 -r
> 763504; compiled by 'ndaley' on Thu Apr  9 05:18:40 UTC 2009
> ************************************************************/
> 2009-08-04 02:54:29,562 ERROR
> org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException:
> Incompatible namespaceIDs in /tmp/hadoop-oracle/dfs/data: namenode
> namespaceID = 36527197; datanode namespaceID = 2138759529
>    at
> org.apache.hadoop.hdfs.server.datanode.DataStorage.doTransition(DataStorage.java:233)
>    at
> org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:148)
>    at
> org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:298)
>    at
> org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:216)
>    at
> org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1283)
>    at
> org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1238)
>    at
> org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1246)
>    at
> org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1368)
>
> 2009-08-04 02:54:29,563 INFO
> org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG:
> /************************************************************
> SHUTDOWN_MSG: Shutting down DataNode at localhost.localdomain/127.0.0.1
> ************************************************************/
>
> ------------------------------------------------------------------------------------------
> hadoop-oracle-namenode-localhost.localdomain.log
> 2009-08-04 02:54:26,987 INFO
> org.apache.hadoop.hdfs.server.namenode.NameNode: STARTUP_MSG:
> /************************************************************
> STARTUP_MSG: Starting NameNode
> STARTUP_MSG:   host = localhost.localdomain/127.0.0.1
> STARTUP_MSG:   args = []
> STARTUP_MSG:   version = 0.20.0
> STARTUP_MSG:   build =
> https://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.20 -r
> 763504; compiled by 'ndaley' on Thu Apr  9 05:18:40 UTC 2009
> ************************************************************/
> 2009-08-04 02:54:27,116 INFO org.apache.hadoop.ipc.metrics.RpcMetrics:
> Initializing RPC Metrics with hostName=NameNode, port=9000
> 2009-08-04 02:54:27,174 INFO
> org.apache.hadoop.hdfs.server.namenode.NameNode: Namenode up at:
> localhost.localdomain/127.0.0.1:9000
> 2009-08-04 02:54:27,179 INFO org.apache.hadoop.metrics.jvm.JvmMetrics:
> Initializing JVM Metrics with processName=NameNode, sessionId=null
> 2009-08-04 02:54:27,180 INFO
> org.apache.hadoop.hdfs.server.namenode.metrics.NameNodeMetrics: Initializing
> NameNodeMeterics using context
> object:org.apache.hadoop.metrics.spi.NullContext
> 2009-08-04 02:54:27,278 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem:
> fsOwner=oracle,oinstall,root,dba,oper,asmadmin
> 2009-08-04 02:54:27,278 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: supergroup=supergroup
> 2009-08-04 02:54:27,278 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem:
> isPermissionEnabled=true
> 2009-08-04 02:54:27,294 INFO
> org.apache.hadoop.hdfs.server.namenode.metrics.FSNamesystemMetrics:
> Initializing FSNamesystemMetrics using context
> object:org.apache.hadoop.metrics.spi.NullContext
> 2009-08-04 02:54:27,297 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Registered
> FSNamesystemStatusMBean
> 2009-08-04 02:54:27,341 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Number of files = 8
> 2009-08-04 02:54:27,348 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Number of files under construction = 2
> 2009-08-04 02:54:27,351 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Image file of size 923 loaded in 0 seconds.
> 2009-08-04 02:54:27,351 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Edits file /tmp/hadoop-oracle/dfs/name/current/edits of size 4 edits # 0
> loaded in 0 seconds.
> 2009-08-04 02:54:27,435 INFO org.apache.hadoop.hdfs.server.common.Storage:
> Image file of size 923 saved in 0 seconds.
> 2009-08-04 02:54:27,495 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Finished loading
> FSImage in 262 msecs
> 2009-08-04 02:54:27,496 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Total number of blocks
> = 0
> 2009-08-04 02:54:27,496 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number of invalid
> blocks = 0
> 2009-08-04 02:54:27,497 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number of
> under-replicated blocks = 0
> 2009-08-04 02:54:27,497 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number of
>  over-replicated blocks = 0
> 2009-08-04 02:54:27,497 INFO org.apache.hadoop.hdfs.StateChange: STATE*
> Leaving safe mode after 0 secs.
> 2009-08-04 02:54:27,497 INFO org.apache.hadoop.hdfs.StateChange: STATE*
> Network topology has 0 racks and 0 datanodes
> 2009-08-04 02:54:27,497 INFO org.apache.hadoop.hdfs.StateChange: STATE*
> UnderReplicatedBlocks has 0 blocks
> 2009-08-04 02:54:27,696 INFO org.mortbay.log: Logging to
> org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via
> org.mortbay.log.Slf4jLog
> 2009-08-04 02:54:27,775 INFO org.apache.hadoop.http.HttpServer: Jetty bound
> to port 50070
> 2009-08-04 02:54:27,775 INFO org.mortbay.log: jetty-6.1.14
> 2009-08-04 02:54:28,277 INFO org.mortbay.log: Started
> SelectChannelConnector@0.0.0.0:50070
> 2009-08-04 02:54:28,278 INFO
> org.apache.hadoop.hdfs.server.namenode.NameNode: Web-server up at:
> 0.0.0.0:50070
> 2009-08-04 02:54:28,278 INFO org.apache.hadoop.ipc.Server: IPC Server
> Responder: starting
> 2009-08-04 02:54:28,279 INFO org.apache.hadoop.ipc.Server: IPC Server
> listener on 9000: starting
> 2009-08-04 02:54:28,280 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 0 on 9000: starting
> 2009-08-04 02:54:28,280 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 1 on 9000: starting
> 2009-08-04 02:54:28,316 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 2 on 9000: starting
> 2009-08-04 02:54:28,316 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 3 on 9000: starting
> 2009-08-04 02:54:28,321 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 4 on 9000: starting
> 2009-08-04 02:54:28,321 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 5 on 9000: starting
> 2009-08-04 02:54:28,328 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 6 on 9000: starting
> 2009-08-04 02:54:28,361 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 7 on 9000: starting
> 2009-08-04 02:54:28,362 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 8 on 9000: starting
> 2009-08-04 02:54:28,366 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 9 on 9000: starting
> 2009-08-04 02:54:38,433 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit:
> ugi=oracle,oinstall,root,dba,oper,asmadmin    ip=/127.0.0.1
>  cmd=listStatus    src=/tmp/hadoop-oracle/mapred/system    dst=null
>  perm=null
> 2009-08-04 02:54:38,755 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit:
> ugi=oracle,oinstall,root,dba,oper,asmadmin    ip=/127.0.0.1    cmd=delete
>    src=/tmp/hadoop-oracle/mapred/system    dst=null    perm=null
> 2009-08-04 02:54:38,773 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit:
> ugi=oracle,oinstall,root,dba,oper,asmadmin    ip=/127.0.0.1    cmd=mkdirs
>    src=/tmp/hadoop-oracle/mapred/system    dst=null
>  perm=oracle:supergroup:rwxr-xr-x
> 2009-08-04 02:54:38,785 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit:
> ugi=oracle,oinstall,root,dba,oper,asmadmin    ip=/127.0.0.1
>  cmd=setPermission    src=/tmp/hadoop-oracle/mapred/system    dst=null
>  perm=oracle:supergroup:rwx-wx-wx
> 2009-08-04 02:54:38,862 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit:
> ugi=oracle,oinstall,root,dba,oper,asmadmin    ip=/127.0.0.1    cmd=create
>    src=/tmp/hadoop-oracle/mapred/system/jobtracker.info    dst=null
>  perm=oracle:supergroup:rw-r--r--
> 2009-08-04 02:54:38,900 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit:
> ugi=oracle,oinstall,root,dba,oper,asmadmin    ip=/127.0.0.1
>  cmd=setPermission    src=/tmp/hadoop-oracle/mapred/system/jobtracker.info   dst=null
   perm=oracle:supergroup:rw-------
> 2009-08-04 02:54:38,955 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 4 on 9000, call addBlock(/tmp/hadoop-oracle/mapred/system/
> jobtracker.info, DFSClient_-603868025) from 127.0.0.1:51803: error:
> java.io.IOException: File /tmp/hadoop-oracle/mapred/system/jobtracker.infocould only
be replicated to 0 nodes, instead of 1
> java.io.IOException: File /tmp/hadoop-oracle/mapred/system/jobtracker.infocould only
be replicated to 0 nodes, instead of 1
>    at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1256)
>    at
> org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:422)
>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>    at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>    at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>    at java.lang.reflect.Method.invoke(Method.java:597)
>    at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
>    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
>    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
>    at java.security.AccessController.doPrivileged(Native Method)
>    at javax.security.auth.Subject.doAs(Subject.java:396)
>    at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
> 2009-08-04 02:54:39,548 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 5 on 9000, call addBlock(/tmp/hadoop-oracle/mapred/system/
> jobtracker.info, DFSClient_-603868025) from 127.0.0.1:51803: error:
> java.io.IOException: File /tmp/hadoop-oracle/mapred/system/jobtracker.infocould only
be replicated to 0 nodes, instead of 1
> java.io.IOException: File /tmp/hadoop-oracle/mapred/system/jobtracker.infocould only
be replicated to 0 nodes, instead of 1
>    at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1256)
>    at
> org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:422)
>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>    at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>    at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>    at java.lang.reflect.Method.invoke(Method.java:597)
>    at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
>    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
>    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
>    at java.security.AccessController.doPrivileged(Native Method)
>    at javax.security.auth.Subject.doAs(Subject.java:396)
>    at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
> 2009-08-04 02:54:40,359 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 6 on 9000, call addBlock(/tmp/hadoop-oracle/mapred/system/
> jobtracker.info, DFSClient_-603868025) from 127.0.0.1:51803: error:
> java.io.IOException: File /tmp/hadoop-oracle/mapred/system/jobtracker.infocould only
be replicated to 0 nodes, instead of 1
> java.io.IOException: File /tmp/hadoop-oracle/mapred/system/jobtracker.infocould only
be replicated to 0 nodes, instead of 1
>    at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1256)
>    at
> org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:422)
>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>    at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>    at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>    at java.lang.reflect.Method.invoke(Method.java:597)
>    at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
>    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
>    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
>    at java.security.AccessController.doPrivileged(Native Method)
>    at javax.security.auth.Subject.doAs(Subject.java:396)
>    at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
> 2009-08-04 02:54:41,969 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 7 on 9000, call addBlock(/tmp/hadoop-oracle/mapred/system/
> jobtracker.info, DFSClient_-603868025) from 127.0.0.1:51803: error:
> java.io.IOException: File /tmp/hadoop-oracle/mapred/system/jobtracker.infocould only
be replicated to 0 nodes, instead of 1
> java.io.IOException: File /tmp/hadoop-oracle/mapred/system/jobtracker.infocould only
be replicated to 0 nodes, instead of 1
>    at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1256)
>    at
> org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:422)
>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>    at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>    at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>    at java.lang.reflect.Method.invoke(Method.java:597)
>    at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
>    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
>    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
>    at java.security.AccessController.doPrivileged(Native Method)
>    at javax.security.auth.Subject.doAs(Subject.java:396)
>    at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
> 2009-08-04 02:54:45,180 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 8 on 9000, call addBlock(/tmp/hadoop-oracle/mapred/system/
> jobtracker.info, DFSClient_-603868025) from 127.0.0.1:51803: error:
> java.io.IOException: File /tmp/hadoop-oracle/mapred/system/jobtracker.infocould only
be replicated to 0 nodes, instead of 1
> java.io.IOException: File /tmp/hadoop-oracle/mapred/system/jobtracker.infocould only
be replicated to 0 nodes, instead of 1
>    at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1256)
>    at
> org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:422)
>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>    at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>    at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>    at java.lang.reflect.Method.invoke(Method.java:597)
>    at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
>    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
>    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
>    at java.security.AccessController.doPrivileged(Native Method)
>    at javax.security.auth.Subject.doAs(Subject.java:396)
>    at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
>
>
>
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