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From janesh mishra <janeshmis...@gmail.com>
Subject getimage failed in Name Node Log
Date Fri, 15 Feb 2013 12:26:48 GMT
Hi,

I am new in Hadoop and i set the hadoop cluster with the help of Michell
Noll Multi-Node setup (
http://www.michael-noll.com/tutorials/running-hadoop-on-ubuntu-linux-multi-node-cluster/).
When i setup the single Node Hadoop then every things works fine.

But in Multi Node setup i found that my *fsimage and editlogs files are not
updated* on SNN, roll back of edit is done i have edit.new on NN

 *Logs Form NN: *

2013-02-14 19:13:52,468
*ERROR*org.apache.hadoop.security.UserGroupInformation:
PriviledgedActionException
as:hduser cause:java.net.ConnectException: Connection refused

2013-02-14 19:13:52,468
*ERROR*org.apache.hadoop.security.UserGroupInformation:
PriviledgedActionException
as:hduser cause:java.net.ConnectException: Connection refused

2013-02-14 19:13:52,477 *WARN org.mortbay.log: /getimage:
java.io.IOException: GetImage failed. java.net.ConnectException: Connection
refused *

 Logs From SNN:

--------------

2013-02-14 19:13:52,350 INFO
org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: *Posted URL
namenode:50070putimage=1&port=50090&machine=0.0.0.0&token=32:1989419481:0:1360849430000:1360849122845
*

2013-02-14 19:13:52,374
*ERROR*org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode:
Exception in
doCheckpoint:

2013-02-14 19:13:52,375
*ERROR*org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode:
java.io.FileNotFoundException:

*
http://namenode:50070/getimage?putimage=1&port=50090&machine=0.0.0.0&token=-32:1989419481:0:1360849430000:1360849122845
*

at
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1613)


atorg.apache.hadoop.hdfs.server.namenode.TransferFsImage.getFileClient(TransferFsImage.java:160)
at
org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.putFSImage(SecondaryNameNode.java:377)
at
org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doCheckpoint(SecondaryNameNode.java:418)
at
org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doWork(SecondaryNameNode.java:312)
at
org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.run(SecondaryNameNode.java:275)
at java.lang.Thread.run(Thread.java:722)

 My setup includes

Version : hadoop-1.0.4

   1. Name Node (192.168.0.105)

   2. Secondary Name Node (192.168.0.101)

   3. Data Node (192.168.0.100)

Name Node also works as Data Node.

 Conf File For Name Node:

*core-hdfs.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>/app/hadoop/tmp</value>

<description>A base for other temporary directories.</description>

</property>

 <property>

<name>fs.default.name</name>

<value>hdfs://namenode: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>

 <property>

<name>fs.checkpoint.period</name>

<value>300</value>

<description>The number of seconds between two periodic checkpoints.

</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.replication</name>

<value>2</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>

 <property>

<name>dfs.hosts</name>

<value>/usr/local/hadoop/includehosts</value>

<description>ips that works as datanode</description>

</property>

 <property>

<name>dfs.namenode.secondary.http-address</name>

<value>secondarynamenode:50090</value>

<description>

The address and the base port on which the dfs NameNode Web UI will listen.

If the port is 0, the server will start on a free port.

</description>

</property>

 <property>

<name>dfs.http.address</name>

<value>namenode:50070</value>

<description>

The address and the base port on which the dfs NameNode Web UI will listen.

If the port is 0, the server will start on a free port.

</description>

</property>

 </configuration>

 I sync these file to all my nodes. (I read somewhere in Cloud Era doc that
all nodes should have same conf files).

 Please help me out.

 Thanks

Janesh

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