do you use hadoop 0.20.203.0? I also have problem about this plugin. Yaozhen Pan <itzhak....@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 <praveen...@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 <devara...@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:praveen...@gmail.com] >> > Sent: Wednesday, June 22, 2011 12:07 PM >> > To: common-user@hadoop.apache.org; devara...@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 <devara...@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:praveen...@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 >> > >> > >> > >> > >>
