ignore invalid watchpoint hit

mindinsight/debugger/debugger_grpc_server.py

@@ -438,6 +438,9 @@ class DebuggerGrpcServer(grpc_server_base.EventListenerServicer):
         for watchpoint_hit_proto in request_iterator:
             node_full_name = watchpoint_hit_proto.tensor.node_name
             graph_name = graph_stream.get_graph_id_by_full_name(node_full_name)
+            if not graph_name:
+                log.warning("Cannot find node %s in graph. Skip it.", node_full_name)
+                continue
             ui_node_name = graph_stream.get_node_name_by_full_name(node_full_name, graph_name)
             log.debug("Receive watch point hit: %s", watchpoint_hit_proto)
             if not ui_node_name:

mindinsight/debugger/stream_handler/graph_handler.py

@@ -419,8 +419,7 @@ class GraphHandler(StreamHandlerBase):
         """
         graph_id = self.graph_node_map.get(node_name) if node_name else None
         if not graph_id:
-            log.error("Failed to get graph id by full name: %s", node_name)
-            raise DebuggerNodeNotInGraphError(node_name)
+            log.warning("Failed to get graph id by full name: %s", node_name)
         return graph_id
 
     def get_node_type(self, node_name, graph_name=None):