{"id":"ce0bf8684592e3e5","repo":"redis/redis-py","slug":"cluster-node-target-node-name-has-no-redis-conne","errorCode":null,"errorMessage":"Cluster Node {target_node.name} has no redis_connection","messagePattern":"Cluster Node (.+?) has no redis_connection","errorType":"exception","errorClass":"RedisClusterException","httpStatus":null,"severity":"error","filePath":"redis/cluster.py","lineNumber":1185,"sourceCode":"        self.nodes_manager.default_node = node\n        return True\n\n    def set_retry(self, retry: Retry) -> None:\n        self.retry = retry\n\n    def monitor(self, target_node=None):\n        \"\"\"\n        Returns a Monitor object for the specified target node.\n        The default cluster node will be selected if no target node was\n        specified.\n        Monitor is useful for handling the MONITOR command to the redis server.\n        next_command() method returns one command from monitor\n        listen() method yields commands from monitor.\n        \"\"\"\n        if target_node is None:\n            target_node = self.get_default_node()\n        if target_node.redis_connection is None:\n            raise RedisClusterException(\n                f\"Cluster Node {target_node.name} has no redis_connection\"\n            )\n        return target_node.redis_connection.monitor()\n\n    def pubsub(self, node=None, host=None, port=None, **kwargs):\n        \"\"\"\n        Allows passing a ClusterNode, or host&port, to get a pubsub instance\n        connected to the specified node\n        \"\"\"\n        return ClusterPubSub(self, node=node, host=host, port=port, **kwargs)\n\n    def keyspace_notifications(\n        self,\n        key_prefix: Union[str, bytes, None] = None,\n        ignore_subscribe_messages: bool = True,\n    ) -> \"ClusterKeyspaceNotifications\":\n        \"\"\"\n        Return a :class:`~redis.keyspace_notifications.ClusterKeyspaceNotifications`","sourceCodeStart":1167,"sourceCodeEnd":1203,"githubUrl":"https://github.com/redis/redis-py/blob/da03cdc7e8731092b13e395605c3c1fb2de25de1/redis/cluster.py#L1167-L1203","documentation":"Error \"Cluster Node {target_node.name} has no redis_connection\" thrown in redis/redis-py.","triggerScenarios":"Thrown at redis/cluster.py:1185 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"analyzedSha":"da03cdc7e8731092b13e395605c3c1fb2de25de1","analyzedAt":"2026-08-04T20:26:47.563Z","schemaVersion":2}