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

CLB454 - Overview

• 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.

CLB454 - Details

• 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