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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2076) ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeRegistration(1
Date Tue, 28 Jun 2011 06:52:18 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13056347#comment-13056347
] 

Brahma Reddy Battula commented on HDFS-2076:
--------------------------------------------

can please check the DN logs..whatis happening from DN,YOU will come to know

> ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeRegistration(1
> -----------------------------------------------------------------------------
>
>                 Key: HDFS-2076
>                 URL: https://issues.apache.org/jira/browse/HDFS-2076
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: data-node
>    Affects Versions: 0.20.2
>         Environment: hadoop -hdfs
>            Reporter: chakali ranga swamy
>
> see sir
> datanode log socket and datasteam problem unable to upload text file to DFS i deleted
tmp folders dfs and mapred again i formated "hadoop namenode -format"
> start-all.sh done then
> dfs folder contains:
> data node ,name node,secondarynamenode
> mapred: empty
> about space:-----------------
> linux-8ysi:/etc/hadoop/hadoop-0.20.2 # df -h
> Filesystem Size Used Avail Use% Mounted on
> /dev/sda5 25G 16G 7.4G 69% /
> udev 987M 212K 986M 1% /dev
> /dev/sda7 42G 5.5G 34G 14% /home
> -------------------------------------------
> http://localhost:50070/dfshealth.jsp------------------
> NameNode 'localhost:54310'
> Started: Wed Jun 15 04:13:14 IST 2011
> Version: 0.20.2, r911707
> Compiled: Fri Feb 19 08:07:34 UTC 2010 by chrisdo
> Upgrades: There are no upgrades in progress.
> Browse the filesystem
> Namenode Logs
> Cluster Summary
> 10 files and directories, 0 blocks = 10 total. Heap Size is 15.5 MB / 966.69 MB (1%)
> Configured Capacity : 24.61 GB
> DFS Used : 24 KB
> Non DFS Used : 17.23 GB
> DFS Remaining : 7.38 GB
> DFS Used% : 0 %
> DFS Remaining% : 29.99 %
> Live Nodes : 1
> Dead Nodes : 0
> NameNode Storage:
> Storage Directory Type State
> /tmp/Testinghadoop/dfs/name IMAGE_AND_EDITS Active
> Hadoop, 2011.
> ----------------------------------------
> core-site.xml
> ---------------------------------
> <?xml version="1.0"?>
> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
> <!-- Put site-specific property overrides in this file. -->
> <configuration>
> <property>
> <name>hadoop.tmp.dir</name>
> <value>/tmp/Testinghadoop/</value>
> <description>A base for other temporary directories.</description>
> </property>
> <property>
> <name>fs.default.name</name>
> <value>hdfs://localhost:54310</value>
> <description>The name of the default file system. A URI whose
> scheme and authority determine the FileSystem implementation. The
> uri's scheme determines the config property (fs.SCHEME.impl) naming
> the FileSystem implementation class. The uri's authority is used to
> determine the host, port, etc. for a filesystem.</description>
> </property>
> </configuration>
> ------------------------------------------------
> hdfs-site.xml
> ----------------------------------
> <?xml version="1.0"?>
> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
> <!-- Put site-specific property overrides in this file. -->
> <configuration>
> <property>
> <name>dfs.permissions</name>
> <value>true</value>
> <description>
> If "true", enable permission checking in HDFS.
> If "false", permission checking is turned off,
> but all other behavior is unchanged.
> Switching from one parameter value to the other does not change the mode,
> owner, or group of files or directories.
> </description>
> </property>
> <property>
> <name>dfs.replication</name>
> <value>1</value>
> <description>Default block replication.
> The actual number of replications can be specified when the file is created.
> The default is used if replication is not specified in create time.
> </description>
> </property>
> </configuration>
> ---------------------------------------
> mapred-site.xml
> ----------------------------------
> <?xml version="1.0"?>
> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
> <!-- Put site-specific property overrides in this file. -->
> <configuration>
> <property>
> <name>mapred.job.tracker</name>
> <value>localhost:54311</value>
> <description>The host and port that the MapReduce job tracker runs
> at. If "local", then jobs are run in-process as a single map
> and reduce task.
> </description>
> </property>
> </configuration>
> ----------------------------------------------------------------------------------
> please give suggetions about this error:
> ------------------------------------------------------------------------------------------------------------------
> linux-8ysi:/etc/hadoop/hadoop-0.20.2/conf # hadoop fsck /
> RUN_JAVA
> /usr/java/jre1.6.0_25/bin/java
> .Status: HEALTHY
> Total size: 0 B
> Total dirs: 7
> Total files: 1 (Files currently being written: 1)
> Total blocks (validated): 0
> Minimally replicated blocks: 0
> Over-replicated blocks: 0
> Under-replicated blocks: 0
> Mis-replicated blocks: 0
> Default replication factor: 1
> Average block replication: 0.0
> Corrupt blocks: 0
> Missing replicas: 0
> Number of data-nodes: 1
> Number of racks: 1
> The filesystem under path '/' is HEALTHY
> linux-8ysi:/etc/hadoop/hadoop-0.20.2/conf # hadoop dfsadmin -report
> RUN_JAVA
> /usr/java/jre1.6.0_25/bin/java
> Configured Capacity: 26425618432 (24.61 GB)
> Present Capacity: 7923564544 (7.38 GB)
> DFS Remaining: 7923539968 (7.38 GB)
> DFS Used: 24576 (24 KB)
> DFS Used%: 0%
> Under replicated blocks: 0
> Blocks with corrupt replicas: 0
> Missing blocks: 0
> -------------------------------------------------
> Datanodes available: 1 (1 total, 0 dead)
> Name: 127.0.0.1:50010
> Decommission Status : Normal
> Configured Capacity: 26425618432 (24.61 GB)
> DFS Used: 24576 (24 KB)
> Non DFS Used: 18502053888 (17.23 GB)
> DFS Remaining: 7923539968(7.38 GB)
> DFS Used%: 0%
> DFS Remaining%: 29.98%
> Last contact: Wed Jun 15 05:54:00 IST 2011
> i got this error:
> ----------------------------
> linux-8ysi:/etc/hadoop/hadoop-0.20.2 # hadoop dfs -put spo.txt In
> RUN_JAVA
> /usr/java/jre1.6.0_25/bin/java
> 11/06/15 04:50:18 WARN hdfs.DFSClient: DataStreamer Exception: org.apache.hadoop.ipc.RemoteException:
java.io.IOException: File /user/root/In/spo.txt could only be replicated to 0 nodes, instead
of 1
> at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1271)
> at org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:422)
> at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> 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$1.run(Server.java:955)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Unknown Source)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
> at org.apache.hadoop.ipc.Client.call(Client.java:740)
> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
> at $Proxy0.addBlock(Unknown Source)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)
> at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
> at $Proxy0.addBlock(Unknown Source)
> at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.locateFollowingBlock(DFSClient.java:2937)
> at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:2819)
> at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2000(DFSClient.java:2102)
> at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2288)
> 11/06/15 04:50:18 WARN hdfs.DFSClient: Error Recovery for block null bad datanode[0]
nodes == null
> 11/06/15 04:50:18 WARN hdfs.DFSClient: Could not get block locations. Source file "/user/root/In/spo.txt"
- Aborting...
> put: java.io.IOException: File /user/root/In/spo.txt could only be replicated to 0 nodes,
instead of 1
> 11/06/15 04:50:18 ERROR hdfs.DFSClient: Exception closing file /user/root/In/spo.txt
: org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /user/root/In/spo.txt could
only be replicated to 0 nodes, instead of 1
> at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1271)
> at org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:422)
> at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Unknown Source)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
> org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /user/root/In/spo.txt
could only be replicated to 0 nodes, instead of 1
> at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1271)
> at org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:422)
> at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> 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$1.run(Server.java:955)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Unknown Source)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
> at org.apache.hadoop.ipc.Client.call(Client.java:740)
> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
> at $Proxy0.addBlock(Unknown Source)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)
> at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
> at $Proxy0.addBlock(Unknown Source)
> at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.locateFollowingBlock(DFSClient.java:2937)
> at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.nextBlockOutputStream(DFSClient.java:2819)
> at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$2000(DFSClient.java:2102)
> at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2288)
> regards
> Ranga Swamy
> 8904524975 

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