hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Yaozhen Pan <itzhak....@gmail.com>
Subject Re: Hadoop eclipse plugin stopped working after replacing hadoop-0.20.2 jar files with hadoop-0.20-append jar files
Date Thu, 23 Jun 2011 03:52:45 GMT
Hi,

Our hadoop version was built on 0.20-append with a few patches.
However, I didn't see big differences in eclipse-plugin.

Yaozhen

On Thu, Jun 23, 2011 at 11:29 AM, 叶达峰 (Jack Ye) <kobe082005@qq.com> wrote:

> do you use hadoop 0.20.203.0?
> I also have problem about this plugin.
>
> Yaozhen Pan <itzhak.pan@gmail.com>编写:
>
> >Hi,
> >
> >I am using Eclipse Helios Service Release 2.
> >I encountered a similar problem (map/reduce perspective failed to load)
> when
> >upgrading eclipse plugin from 0.20.2 to 0.20.3-append version.
> >
> >I compared the source code of eclipse plugin and found only a few
> >difference. I tried to revert the differences one by one to see if it can
> >work.
> >What surprised me was that when I only reverted the jar name from
> >"hadoop-0.20.3-eclipse-plugin.jar" to "hadoop-0.20.2-eclipse-plugin.jar",
> it
> >worked in eclipse.
> >
> >Yaozhen
> >
> >
> >On Thu, Jun 23, 2011 at 1:22 AM, praveenesh kumar <praveenesh@gmail.com
> >wrote:
> >
> >> I am doing that.. its not working.. If I am replacing the hadoop-core
> from
> >> hadoop-plugin.jar.. I am not able to see map-reduce perspective at all.
> >> Guys.. any help.. !!!
> >>
> >> Thanks,
> >> Praveenesh
> >>
> >> On Wed, Jun 22, 2011 at 12:34 PM, Devaraj K <devaraj.k@huawei.com>
> wrote:
> >>
> >> > Every time when hadoop builds, it also builds the hadoop eclipse
> plug-in
> >> > using the latest hadoop core jar. In your case eclipse plug-in
> contains
> >> the
> >> > other version jar and cluster is running with other version. That's
> why
> >> it
> >> > is giving the version mismatch error.
> >> >
> >> >
> >> >
> >> > Just replace the hadoop-core jar in your eclipse plug-in with the jar
> >> > whatever the hadoop cluster is using  and check.
> >> >
> >> >
> >> >
> >> > Devaraj K
> >> >
> >> >  _____
> >> >
> >> > From: praveenesh kumar [mailto:praveenesh@gmail.com]
> >> > Sent: Wednesday, June 22, 2011 12:07 PM
> >> > To: common-user@hadoop.apache.org; devaraj.k@huawei.com
> >> > Subject: Re: Hadoop eclipse plugin stopped working after replacing
> >> > hadoop-0.20.2 jar files with hadoop-0.20-append jar files
> >> >
> >> >
> >> >
> >> >  I followed michael noll's tutorial for making hadoop-0-20-append
> jars..
> >> >
> >> >
> >> >
> >>
> http://www.michael-noll.com/blog/2011/04/14/building-an-hadoop-0-20-x-versio
> >> > n-for-hbase-0-90-2/
> >> >
> >> > After following the article.. we get 5 jar files which we need to
> replace
> >> > it
> >> > from hadoop.0.20.2 jar file.
> >> > There is no jar file for hadoop-eclipse plugin..that I can see in my
> >> > repository if I follow that tutorial.
> >> >
> >> > Also the hadoop-plugin I am using..has no info on JIRA MAPREDUCE-1280
> >> > regarding whether it is compatible with hadoop-0.20-append.
> >> >
> >> > Does anyone else. faced this kind of issue ???
> >> >
> >> > Thanks,
> >> > Praveenesh
> >> >
> >> >
> >> >
> >> > On Wed, Jun 22, 2011 at 11:48 AM, Devaraj K <devaraj.k@huawei.com>
> >> wrote:
> >> >
> >> > Hadoop eclipse plugin also uses hadoop-core.jar file communicate to
> the
> >> > hadoop cluster. For this it needs to have same version of
> hadoop-core.jar
> >> > for client as well as server(hadoop cluster).
> >> >
> >> > Update the hadoop eclipse plugin for your eclipse which is provided
> with
> >> > hadoop-0.20-append release, it will work fine.
> >> >
> >> >
> >> > Devaraj K
> >> >
> >> > -----Original Message-----
> >> > From: praveenesh kumar [mailto:praveenesh@gmail.com]
> >> > Sent: Wednesday, June 22, 2011 11:25 AM
> >> > To: common-user@hadoop.apache.org
> >> > Subject: Hadoop eclipse plugin stopped working after replacing
> >> > hadoop-0.20.2
> >> > jar files with hadoop-0.20-append jar files
> >> >
> >> >
> >> > Guys,
> >> > I was using hadoop eclipse plugin on hadoop 0.20.2 cluster..
> >> > It was working fine for me.
> >> > I was using Eclipse SDK Helios 3.6.2 with the plugin
> >> > "hadoop-eclipse-plugin-0.20.3-SNAPSHOT.jar" downloaded from JIRA
> >> > MAPREDUCE-1280
> >> >
> >> > Now for Hbase installation.. I had to use hadoop-0.20-append compiled
> >> > jars..and I had to replace the old jar files with new 0.20-append
> >> compiled
> >> > jar files..
> >> > But now after replacing .. my hadoop eclipse plugin is not working
> well
> >> for
> >> > me.
> >> > Whenever I am trying to connect to my hadoop master node from that and
> >> try
> >> > to see DFS locations..
> >> > it is giving me the following error:
> >> > *
> >> > Error : Protocol org.apache.hadoop.hdfs.protocol.clientprotocol
> version
> >> > mismatch (client 41 server 43)*
> >> >
> >> > However the hadoop cluster is working fine if I go directly on hadoop
> >> > namenode use hadoop commands..
> >> > I can add files to HDFS.. run jobs from there.. HDFS web console and
> >> > Map-Reduce web console are also working fine. but not able to use my
> >> > previous hadoop eclipse plugin.
> >> >
> >> > Any suggestions or help for this issue ?
> >> >
> >> > Thanks,
> >> > Praveenesh
> >> >
> >> >
> >> >
> >> >
> >>
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message