Hello Steve. Assuming you are using *nix.
To Apply patch patch -p0 -E < HADOOP-X.patch To remove Patch patch -p0 --reverse -E < HADOOP-X.patch Hope this helps. Regards, Ravi On 3/17/09 4:48 PM, "Steve Gao" <steve....@yahoo.com> wrote: I want to apply this patch https://issues.apache.org/jira/browse/HADOOP-1700 to my hadoop 0.17.0 . Would anybody tell me how to do it? Thanks!