How To Fix CLB2454 - Host or port could not be identified in &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CLB2 - 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 &V1& 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_CLB2_URL_MAPPER should not be called.

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CLB2454 - Host or port could not be identified in &1 ?

  The SAP error message CLB2454, 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 host or port specified in the configuration.
  Causes:
  
  Incorrect Hostname or Port: The hostname or port specified in the configuration might be incorrect or misspelled.
  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 for the hostname and port. Ensure they are correct and reachable.
  Test Connectivity: Use tools like ping or telnet to test connectivity to the specified host and port from the SAP server.
  Check DNS Settings: Ensure that the DNS settings are correctly configured and that the hostname can be resolved to an IP address.
  Review Firewall Settings: Check if there are any firewall rules that might be blocking access to the host or port. Adjust the rules if necessary.
  Check SAP Configuration: Review the relevant SAP configuration settings (e.g., RFC destinations, HTTP connections) to ensure they are set up correctly.
  Consult Logs: Look at the SAP application logs or system logs for more detailed error messages that might provide additional context.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the specific module or service you are working with to ensure that all configuration steps have been followed correctly.
  Community Forums: Consider searching or posting on SAP community forums for insights from other users who may have encountered the same issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.