Thanks a lot. I will look into it.
> I don't have the entire code so it's hard for me to say but does it help if
> you change:
> private TreeMap sessionMap =...
> to be
> private Map sessionMap =...
>
Actually I did change the source like what you suggested to avoid the
convert exception.
But I
Hi Cheng,
It's reflection that's causing you the problem. You seem to be using the
old class (UDAF) to implement UDAF. While that may still be fine, just so
that you know there is a newer, better performing method to implement UDAFs
(more on that at https://cwiki.apache.org/Hive/genericudafcasestud
