dont break loop when one torrent refresh fails

mediaweb/__init__.py

@@ -3,6 +3,7 @@ import sys
 import json
 import logging
 import cherrypy
+import traceback
 from time import sleep
 from queue import Queue
 from threading import Thread
@@ -68,9 +69,12 @@ class ClientCache(object):
             self.inflight = True
             logging.info("performing background tasks...")
 
-            self.build_showindex()
-            self.build_torrentindex()
-            self.queue_sorts()
+            try:
+                self.build_showindex()
+                self.build_torrentindex()
+                self.queue_sorts()
+            except Exception:
+                logging.error(traceback.format_exc())
 
             self.q.task_done()
             self.inflight = False