Convert recv errors as warnings and not exceptions

Author: abhinavsingh

proxy/http/handler.py

@@ -286,9 +286,9 @@ async def handle_readables(self, readables: Readables) -> bool:
                     # here to avoid flooding the logs.
                     logger.debug('%r' % e)
                 else:
-                    logger.exception(
-                        'Exception while receiving from %s connection %r with reason %r' %
-                        (self.work.tag, self.work.connection, e),
+                    logger.warning(
+                        'Exception when receiving from %s connection#%d with reason %r' %
+                        (self.work.tag, self.work.connection.fileno(), e),
                     )
                 return True
         return False

proxy/http/proxy/server.py

@@ -291,9 +291,9 @@ async def read_from_descriptors(self, r: Readables) -> bool:
                         ),
                     )
                 else:
-                    logger.exception(
-                        'Exception while receiving from %s connection %r with reason %r' %
-                        (self.upstream.tag, self.upstream.connection, e),
+                    logger.warning(
+                        'Exception while receiving from %s connection#%d with reason %r' %
+                        (self.upstream.tag, self.upstream.connection.fileno(), e),
                     )
                 return self._close_and_release()