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Published on 2010-03-23T02:24:57Z
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2010/03/23
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I know how memcached works. How does Hadoop work?
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i am willing to learn hadoop as a Developer , but i am confused over the prerequisite of learning it.? is having a good experience in java programming very essential to learn hadoop? I have 4 years of experience in application development in LAMP.
But i am not in touch with java programming as a part…
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Full list of error:
hb@localhost:/etc/hadoop/conf$ sudo service hadoop-hdfs-namenode start
* Starting Hadoop namenode:
starting namenode, logging to /var/log/hadoop-hdfs/hadoop-hdfs-namenode-localhost.out
12/09/10 14:41:09 INFO namenode.NameNode: STARTUP_MSG:
/************************************************************
STARTUP_MSG:…
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Introduction
An attempt to combine HBase and HDFS results in the following:
2014-06-09 00:15:14,777 WARN org.apache.hadoop.hbase.HBaseFileSystem: Create Dir
ectory, retries exhausted
2014-06-09 00:15:14,780 FATAL org.apache.hadoop.hbase.master.HMaster: Unhandled
exception. Starting shutdown.
java…
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I compiling with Solaris 10 SPARC, jdk 1.6 from Sun, Ant 1.7.1 from OpenCSW.
I have no problem running hadoop 0.17.2.1
However, I have problem compiling/integrating hive with the error 'cannot find symbol', although I followed the tutorial.
I have the hive source code from SVN exactly from tutorial…
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I'm new to hadoop and is in learning phase.
As per Hadoop Definitve guide, i have set up my hadoop in pseudo distributed mode and everything was working fine. I was even able to execute all the examples from chapter 3 yesterday. Today, when i rebooted my unix and tried to run start-dfs.sh and then…
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I have website working fine before. But now its not able to connect to the server(I believe that is the problem). But its strange that the message not able to connect to the server is not coming and its keep connecting... for infinite time.
Here is the screenshot.
Here are some of the useful…
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I can't figure this out. I try to import a new project into a svn repository from Netbeans and get 403 Forbidden. I just setup svn on my serverbox today. I can get to it through a browser just fine, though its empty as I haven't imported my project yet.
Apache's path for html files is /var/www
I…
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I've tried the following settings on pom.xml to use Axis2 wsdl2code:
<dependencies>
<dependency>
<groupId>org.apache.axis2</groupId>
<artifactId>axis2</artifactId>
<version>1.5.1</version>
</dependency>
</dependencies>
...
<build>
…
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I compiling with Solaris 10 SPARC, jdk 1.6 from Sun, Ant 1.7.1 from OpenCSW.
I have no problem running hadoop 0.17.2.1
However, I have problem compiling/integrating hive with the error 'cannot find symbol', although I followed the tutorial.
I have the hive source code from SVN exactly from tutorial…
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hello
when i am deploying my war file and run it it will give error like
org.springframework.instrument.classloading.tomcat.TomcatInstrumentableClassLoader
Jan 6, 2011 3:16:04 PM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor servlet.xml
Jan…
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