Removed buggy exception handling in doRollover of rotating file handlers. Exceptions now propagate to caller.
diff --git a/Lib/logging/handlers.py b/Lib/logging/handlers.py
index e0da254..70bd5d4 100644
--- a/Lib/logging/handlers.py
+++ b/Lib/logging/handlers.py
@@ -128,12 +128,7 @@
             dfn = self.baseFilename + ".1"
             if os.path.exists(dfn):
                 os.remove(dfn)
-            try:
-                os.rename(self.baseFilename, dfn)
-            except (KeyboardInterrupt, SystemExit):
-                raise
-            except:
-                self.handleError(record)
+            os.rename(self.baseFilename, dfn)
             #print "%s -> %s" % (self.baseFilename, dfn)
         if self.encoding:
             self.stream = codecs.open(self.baseFilename, 'w', self.encoding)
@@ -273,12 +268,7 @@
         dfn = self.baseFilename + "." + time.strftime(self.suffix, timeTuple)
         if os.path.exists(dfn):
             os.remove(dfn)
-        try:
-            os.rename(self.baseFilename, dfn)
-        except (KeyboardInterrupt, SystemExit):
-            raise
-        except:
-            self.handleError(record)
+        os.rename(self.baseFilename, dfn)
         if self.backupCount > 0:
             # find the oldest log file and delete it
             s = glob.glob(self.baseFilename + ".20*")