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技术文章 - CS334669

Kepware 无法连接到 ThingWorx Platform，并出现错误：KEPServerEX / ThingWorx Industrial Connectivity / Kepware 中的“twWs_Connect：初始化 Web 套接字时出错。响应代码：404”

已修改: 24-Jul-2023   


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适用于

  • ThingWorx Platform 8.5 to 9.1 SP7

说明

  • Kepware 无法连接到 ThingWorx，并出现错误： twWs_Connect：初始化 Web 套接字时出错。响应代码：404
  • Kewpare 日志包含以下内容：
    • Debug           ThingWorx Diagnostics          [ERROR] 2020-11-30 01:50:07,419 twWs_Connect: Error initializing web socket.  Response code: 404
Debug           ThingWorx Diagnostics          [ERROR] 2020-11-30 01:50:07,419 twApi_Connect: Max number of connect retries: 1, has been reached
Debug           ThingWorx Diagnostics          [ERROR] 2020-11-30 01:50:07,419 twMessage_Send: Error sending Message with RequestId 315329
Debug           ThingWorx Diagnostics          [WARN] 2020-11-30 01:50:07,419 sendCtlFrame: Not connected
Debug           ThingWorx Diagnostics          [WARN] 2020-11-30 01:50:07,419 msgHandlerOnClose: WEBSOCKET CLOSED
Debug           ThingWorx Diagnostics          [ERROR] 2020-11-30 03:13:19,809 twWs_Create: Error creating BSD socket to be used for the websocket
Debug           ThingWorx Diagnostics          [ERROR] 2020-11-30 03:13:19,809 twApi_Initialize: Error creating websocket structure, retrying
Debug           ThingWorx Diagnostics          [ERROR] 2020-11-30 03:13:19,809 twWs_Create: Error creating BSD socket to be used for the websocket
Debug           ThingWorx Diagnostics          [ERROR] 2020-11-30 03:13:19,809 twApi_Initialize: Could not connect after 1 attempts
Error           ThingWorx Native Interface     Connection to ThingWorx failed for an unknown reason. | Platform https://<ThingWorx Host>/:<Port>/Thingworx/WS,
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