title	id
Troubleshooting	troubleshooting_en

Troubleshooting

Database Connection Failures

If you fail to connect to the KWDB database, troubleshoot the issue in the following aspects:

Check whether the database connection string is correct.
Check whether the user can access to the KWDB database.
Check whether the user has appropriate privileges.
Check whether the KWDB database address in the KWDB MCP Server configuration of the LLM Agent is correct.
Check whether the existing kwdb-mcp-server process is blocked.

Issue	Processing Strategy
Connection refused	Ensure that the KWDB MCP Server is running and listening the specified IP address.
CORS errors	If you access the KWDB database from a Web browser, ensure that the KWDB MCP Server's base URL matches the KWDB database URL.
Network issues	Check if firewalls or network configurations are blocking the connection.
Database connectivity	Ensure that the KWDB MCP Server can access the KWDB database.