WebSearch: proper re-raise in RSS handling
- Re-raises properly if an exception occurs during serving of the cache in a RSS request. (closes #2084) (PR #2598)
- Adds safer handling of files in case of exceptions.
Reported-by: Thorsten Schwander <thorsten.schwander@gmail.com>
Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>
Tested-by: Tibor Simko <tibor.simko@cern.ch>