I used the 0.20.203.0, and can't access the Dfs locations. Following is the error: failure to login internal error:"map/reduce location status updater" org/codehaus/jackson/map/jsonmappingexceptoon
Yaozhen Pan <itzhak....@gmail.com>编写： >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) <kobe082...@qq.com> wrote: > >> 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 >> >> > >> >> > >> >> > >> >> > >> >> >>
