{"record":{"id":"c32d4a948905b717","repo":"alibaba/canal","slug":"stop-channel-error","errorCode":null,"errorMessage":"stop channel error","messagePattern":"stop channel error","errorType":"exception","errorClass":"CanalClientException","httpStatus":null,"severity":"error","filePath":"client/src/main/java/com/alibaba/otter/canal/client/rabbitmq/RabbitMQCanalConnector.java","lineNumber":100,"sourceCode":"        } catch (IOException | TimeoutException e) {\n            throw new CanalClientException(\"Start RabbitMQ producer error\", e);\n        }\n    }\n\n    @Override\n    public void disconnect() throws CanalClientException {\n        if (connect != null) {\n            try {\n                connect.close();\n            } catch (IOException e) {\n                throw new CanalClientException(\"stop connect error\", e);\n            }\n        }\n        if (channel != null) {\n            try {\n                channel.close();\n            } catch (IOException | TimeoutException e) {\n                throw new CanalClientException(\"stop channel error\", e);\n            }\n        }\n    }\n\n    @Override\n    public boolean checkValid() throws CanalClientException {\n        return true; // 永远true\n    }\n\n    /**\n     * RabbitMQ支持拉取 不需要订阅\n     *\n     * @param filter\n     * @throws CanalClientException\n     */\n    @Override\n    public void subscribe(String filter) throws CanalClientException {\n        // 不存在连接 则重新连接","sourceCodeStart":82,"sourceCodeEnd":118,"githubUrl":"https://github.com/alibaba/canal/blob/87be50e87686a3e8af08c368d0e1ffd1f59eb04a/client/src/main/java/com/alibaba/otter/canal/client/rabbitmq/RabbitMQCanalConnector.java#L82-L118","documentation":"Error \"stop channel error\" thrown in alibaba/canal.","triggerScenarios":"Thrown at client/src/main/java/com/alibaba/otter/canal/client/rabbitmq/RabbitMQCanalConnector.java:100 when the library encounters an invalid state.","commonSituations":"Error closing RabbitMQ channel. Log and continue; attempt connection close afterwards so the network resource is still released.","solutions":["Ensure the channel is not already closed (by broker or by a previous error) when stop is invoked.","Catch and log this exception during shutdown; it is usually safe to ignore if the connection is being closed anyway."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"87be50e87686a3e8af08c368d0e1ffd1f59eb04a","analyzedAt":"2026-08-14T04:30:11.918Z","schemaVersion":2},"datasetVersion":"2026-08-14T05:17:29.042Z"}