Fixed: Failing missing episode search when one search fails

Closes #917

src/NzbDrone.Core/IndexerSearch/EpisodeSearchService.cs

@@ -49,14 +49,32 @@ namespace NzbDrone.Core.IndexerSearch
                     List<DownloadDecision> decisions;
 
                     if (season.Count() > 1)
+                    {
+                        try
                         {
                             decisions = _nzbSearchService.SeasonSearch(series.Key, season.Key, true);
                         }
+                        catch (Exception ex)
+                        {
+                            var message = String.Format("Unable to search for missing episodes in season {0} of [{1}]", season.Key, series.Key);
+                            _logger.ErrorException(message, ex);
+                            continue;
+                        }
+                    }
 
                     else
+                    {
+                        try
                         {
                             decisions = _nzbSearchService.EpisodeSearch(season.First());
                         }
+                        catch (Exception ex)
+                        {
+                            var message = String.Format("Unable to search for missing episode: [{0}]", season.First());
+                            _logger.ErrorException(message, ex);
+                            continue;
+                        }
+                    }
 
                     var processed = _processDownloadDecisions.ProcessDecisions(decisions);