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- Troubleshooting SOAP API
- Debugging
- Error messages
- Failure of the WSDL2JS utility
- Testing your WSDL with a SOAP UI
- Running Web Services on a dedicated port (servlet)
- Troubleshooting a Web service that is behind a closed firewall
- Max sessions exceeded in Web Services
- Troubleshooting HTTP socket connections
- Debugging SOAP errors
- Web Services client unable to connect
- Calling external web services with SSL fails
Web Services client unable to connect
The most common error occurs when your Web Services client application fails to obtain a response, or you receive this error message:
Server Error in <name> Application
The underlying connection was closed: Unable to connect to the remote server
The Web Services client may be directing SOAP requests to the wrong host or to the wrong TCP port number. ITSMA Service Management generates WSDL files that contain the hostname and TCP port number for the Service Management server instance receiving the request. The Web Services client application may use the hostname and port number used during application development, but the production hostname and port might be different each time the application runs if they are dynamically allocated.
If the server instance generating the WSDL is different from the hostname or port number receiving the client application requests, the client/server connection will fail. Follow these rules to ensure successful client/server SOAP communication.
- Ensure that your Web Services request is not running against a common port with heavy server traffic. Otherwise, tracking request and response messages will be difficult.
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Type the following at the command line to generate debug logs:
sm -httpPort:unique portnumber -sslConnector:0 -debughttp:1 -log:../logs/debug.log
where
-httpPort
identifies a dedicated port for Web Service client connections-log
defines a path to store the logs for this connection.Note It is easier to troubleshoot errors if each SOAP client application connects to its own TCP port number.
- Examine the HTTP.LOG file for response messages. You can use this information to determine where a Web Service client connection failure occurs.
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