csaxs_bec/bec_ipython_client/plugins/flomni/flomni_webpage_generator.py

@@ -403,6 +403,8 @@ class LocalHttpServer:
     class _QuietHandler(http.server.SimpleHTTPRequestHandler):
         def log_message(self, *args):
             pass
+        def handle_error(self, request, client_address):
+            pass  # suppress BrokenPipeError and other per-connection noise
 
     def start(self) -> None:
         Handler = functools.partial(
@@ -547,8 +549,12 @@ class WebpageGeneratorBase:
         self._stop_event.set()
         if self._thread is not None:
             self._thread.join(timeout=self._cycle_interval + 5)
+            # Always clear the reference so start() gets a clean slate,
+            # even if the thread did not exit within the join timeout.
+            self._thread = None
         if self._local_server is not None:
             self._local_server.stop()
+            self._local_server = None
         self._release_lock()
         self._log(VERBOSITY_NORMAL, "WebpageGenerator stopped.")