You can enable remote debugging on regionserver by appending "-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8071" to HBASE_REGIONSERVER_OPTS and debug through eclipse.
On Tue, Jan 12, 2016 at 7:08 PM, Gaurav Agarwal <gaurav130...@gmail.com> wrote: > Hello > How to debug custom udf In phoenix.I wrote my replace for not null value. > I have to debug what's the value coming .I am unable to find any steps > please let us know >