Thanks a lot! I 'll try it...
I haven't gone through the whole thing, but getting the Configuration
object via a static member "conf" set only during submission (main())
will not work - and is probably why there's an NPE.
Use the Context object in the map() call to get a configuration
instance. That is the only right way I kno
Alright, I 'll send you the code (it's an amateur application). Any help is
appreciated! (Don't bother with the Flickrj API)... And something else, how
do you debug a map/reduce app so as to be sure what happens. I use eclipse
and hadoop's plugin for eclipse (Galileo). Thanks a lot!
MetaFlickrPro
Based on your stacktrace, the 'Task' did begin alright. (This is
post-configuration/setup)
You're getting an NPE on
metaFlickrPro\.PhotosDownload$MapClass\.map(PhotosDownload\.java:124)
Its not possible for us to tell why since the point that was thrown is
from your custom code - and we do not hav
Hello guys,
I have written an application that downloads metadata from 3 groups of
Flickr and i implement a map/reduce task so as metadata to be processed by 3
different mappers (each corresponds to one group...). My app runs on single
mode, but when i try to run it in a pseudo-distributed mode had