catch general exceptions because otherwise they get lost in the executor thread

core/src/main/groovy/com/muwire/core/files/PersisterFolderService.groovy

@@ -116,7 +116,7 @@ class PersisterFolderService extends BasePersisterService {
             try {
                 _load()
             }
-            catch (IllegalArgumentException e) {
+            catch (Exception e) {
                 log.log(Level.WARNING, "couldn't load files", e)
             }
         } else {

core/src/main/groovy/com/muwire/core/files/PersisterService.groovy

@@ -62,7 +62,7 @@ class PersisterService extends BasePersisterService {
                         new File(location.absolutePath + ".bak")
                 )
                 listener.publish(new PersisterDoneEvent())
-            } catch (IllegalArgumentException e) {
+            } catch (Exception e) {
                 log.log(Level.WARNING, "couldn't load files",e)
             }
         } else {