Hello Eli, Thanks a lot for your info. I will try with the 0.21 release then.
Regards, Yujun On Fri, 16 Jul 2010, Eli Collins wrote: > Hey Yujun, > > Symbolic links involves a number of patches. These patches have a > number of dependencies on code in trunk (eg FileContext) so applying > to 20.2 would be a lot of work. Symbolic links are in the first > release candidate of the 21 release so probably best to check it out > if you need symlinks: > > http://people.apache.org/~tomwhite/hadoop-0.21.0-candidate-0/ > > Thanks, > Eli > > > > On Fri, Jul 16, 2010 at 7:20 AM, Yujun Wu <[email protected]> wrote: > > Hello, > > > > I am new to hadoop. Recently, I installed Hadoop 0.20.2 and it works. I > > tried to patch it with the ?symbolic links patch by Eli (Mr. Eli Collins): > > > > https://issues.apache.org/jira/browse/HDFS-245 > > > > (symlink41-hdfs.patch) > > > > I always got the error with missing Hdfs.java. This is what I did: > > > >>cd $HADOOP_HOME > > > >>patch -p0 < ../../patches/symlink41-hdfs.patch > > > > can't find file to patch at input line 5 > > Perhaps you used the wrong -p or --strip option? > > The text leading up to this was: > > -------------------------- > > |diff --git src/java/org/apache/hadoop/fs/Hdfs.java > > src/java/org/apache/hadoop/fs/Hdfs.java > > |index 5d4dd41..905fea7 100644 > > |--- src/java/org/apache/hadoop/fs/Hdfs.java > > |+++ src/java/org/apache/hadoop/fs/Hdfs.java > > -------------------------- > > File to patch: > > > > ------------------------------------------------------- > > > > Am I missing something here? > > > > Thanks in advance for any info you give. > > > > > > Regards, > > Yujun > > > > > > >
