Thanks Harsh that helped. Trupti.
On Sat, Feb 9, 2013 at 3:51 PM, Harsh J <ha...@cloudera.com> wrote: > Hi Trupti, > > Welcome! My responses inline. > > On Sat, Feb 9, 2013 at 7:59 PM, Trupti Gaikwad <trups.gaik...@gmail.com> > wrote: > > Hi, > > > > I want to work on release 1.0.4 source code. As per Hadoop > > wiki HowToContribute, I can download source code from trunk or from > release > > 1.0.4 tag. > > Although I do not know your goal here, note that the trunk is the best > place to do dev work if your goal is also to get your work accepted at > the end. We allow 1.x to continue receiving improvements but refuse > divergence in features compared to trunk and and the ongoing branch-2 > releases. Just something to consider! > > > 1. Source code from hadoop/common/trunk with revision 1397701 > corresponding > > to release 1.0.4: > > I downloaded the source with svn revision 1397701 mentioned in release > tag. > > My source code gets compiled, however tar file created by build does not > > contain start-mapred.sh file? It does contain start-yarn.sh. Even if > source > > revision is old, why I am not getting start-mapred.sh. I really don't > want > > to use resourcemanager or node manager to run my mapred job. How can I > > start jobtracker and tasktracker? > > Unfortunately SVN revisions aren't exactly what you think they are. > What you need is to actually checkout a tag, not a revision. To get a > 1.0.4 tag checked out from the Apache SVN repository, your command > could be: > > $ svn checkout > http://svn.apache.org/repos/asf/hadoop/common/tags/release-1.0.4/ > hadoop-1.0.4 > $ cd hadoop-1.0.4/ > > Likewise, if you want to work on the tip of the 1.x branch instead, > checkout the branch "branch-1": > > $ svn checkout > http://svn.apache.org/repos/asf/hadoop/common/branches/branch-1/ > hadoop-1 > $ cd hadoop-1/ > > > 2. Source code from tag release 1.0.4: > > Hadoop wiki also mentions that, If I want to work against any specific > > release then I will have to download release tag. > > I copied my code to src and tried to build it. However my code is not > > getting compiled because as I have developed it in above hadoop-common > > project. I am getting compilation error as there are inconsistencies in > > org.apache.hadoop.fs.FileSystem interface. Shall I develop my class by > > implementing interfaces provided in release 1.0.4? > > You're attempting to build trunk (accidentally, in your case). See > above for getting proper 1.x code. > > However, if you still wish to build trunk, whose build system is > different from the older 1.x system, some simple notes for building > trunk can be found here: > http://wiki.apache.org/hadoop/QwertyManiac/BuildingHadoopTrunk > > > So > > 1. How to get all projects from hadoop-common? > > 2. what is correct way to compile and deploy any changes in core for > > release 1.0.4? > > I believe I've answered both questions in the above inlines. Do feel > free to post any further questions you have! > > -- > Harsh J >
