On 30/07/2009, at 5:37 PM, Dirkjan Ochtman wrote:
> Dirkjan Ochtman <dirkjan@ochtman.nl> added the comment:
>
>> From the access.log:
>
> GET
> /bts/issue?@action=export_csv&@columns=title%252Cid%252Cactivity 
> %252Cstatus 
> &@sort=id&@group=priority&@filter=id&@pagesize=50&@startwith=0
> HTTP/1.0" 200 256

Whatever is requesting that URL has double-escaped the columns list.  
What should be %2C has been turned into %252C. It might be that  
someone's coded a URL pointing to the tracker which is broken in that  
way. Fix that and your problem will be fixed.