top_pathways query using a filter can result in error 500.

[GoogleCodeExporter]

What steps will reproduce the problem?
1. run a query: /top_pathways?datasource=foo or ...organism=foo

What is the expected output? What do you see instead?
Expected: status/error 460 (no result), but it returns error 500 (caused by 
NullPointerException)

What version of the product are you using? On what operating system?
PC2 v6 and v7 (test).

Please provide any additional information below.
It worked ok in PC2 v5.

Original issue reported on code.google.com by rod...@gmail.com on 10 Dec 2014 at 4:13

[GoogleCodeExporter]

Try http://webservice.baderlab.org:48080/top_pathways?datasource=foo 
(issue is fixed there, but the code is not pushed yet...)

Original comment by rod...@gmail.com on 12 Dec 2014 at 9:14

• Changed state: Started

[GoogleCodeExporter]

Original comment by rod...@gmail.com on 16 Dec 2014 at 6:37

• Changed state: Fixed