How To Fix CLB454 - Host or port could not be identified in &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CLB - SAIL: Common messages

• Message number: 454

• Message text: Host or port could not be identified in &1

What causes this issue?

The system tried to parse the URL &SYST-MSGV1& but it did not follow the
pattern <protocol>://<host>:<port>/...

System Response

An exception is raised. The reaction depends on the calling application.

How to fix this error?

Check the source of the URL to be parsed.
If it is valid, for instance, if it is already in the external format,
the URL mapper IF_CLB_URL_MAPPER should not be called.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CLB454 - Host or port could not be identified in &1 ?

  The SAP error message CLB454, which states "Host or port could not be identified in &1," typically occurs in the context of SAP Cloud Platform or when dealing with connectivity issues in SAP systems. This error indicates that the system is unable to resolve the specified host or port, which can be due to various reasons.
  Causes:
  
  Incorrect Hostname or Port: The hostname or port specified in the configuration is incorrect or does not exist.
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the specified host.
  DNS Resolution Problems: The DNS server may not be able to resolve the hostname to an IP address.
  Firewall Restrictions: A firewall may be blocking access to the specified host or port.
  Configuration Errors: There may be errors in the configuration settings within the SAP system or the application that is trying to connect.
  
  Solutions:
  
  Verify Hostname and Port: Check the configuration settings to ensure that the hostname and port are correct. Make sure there are no typos or incorrect entries.
  Test Connectivity: Use tools like ping or telnet to test connectivity to the specified host and port from the SAP server. This can help identify if the issue is network-related.
  Check DNS Settings: Ensure that the DNS settings on the SAP server are correctly configured and that the hostname can be resolved. You can use commands like nslookup to verify DNS resolution.
  Review Firewall Rules: Check the firewall settings to ensure that traffic to the specified host and port is allowed. You may need to work with your network team to adjust firewall rules if necessary.
  Consult SAP Notes: Look for relevant SAP Notes or documentation that may provide additional insights or solutions specific to your version of SAP.
  Check Logs: Review the application and system logs for any additional error messages or warnings that may provide more context about the issue.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for your specific version and module for more detailed troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Support Tickets: If the issue persists, consider opening a support ticket with SAP for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the CLB454 error message in your SAP environment.