How To Fix CLB2455 - No mapping found for host &1, port &2, application &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CLB2 - SAIL: Common messages

• Message number: 455

• Message text: No mapping found for host &1, port &2, application &3

What causes this issue?

The system tried to convert a URL to the external representation, with
the aid of mapping table HTTPURLLOC.
However, no entry could be found for the given combination of host &V1&,
port &V2& and application &V3&.

System Response

The URL conversion is interrupted. An exception is raised.

How to fix this error?

Add the missing entry in table HTTPURLLOC, with aid of transaction SE16.
Note: You can also specify a default entry, with host and port set to *,
if it is not possible to specify all application servers at design time
(for instance, due to virtualization).

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 CLB2455 - No mapping found for host &1, port &2, application &3 ?

  The SAP error message CLB2455 indicates that there is no mapping found for the specified host, port, and application in the context of the SAP Cloud Platform or SAP Business Technology Platform. This error typically arises when the system is unable to locate the necessary configuration for connecting to a specific service or application.
  Cause:
  
  Incorrect Configuration: The host, port, or application name specified in the configuration might be incorrect or not properly defined in the system.
  Missing Mapping: The required mapping for the specified host and port may not exist in the configuration settings.
  Network Issues: There could be network connectivity issues preventing the system from reaching the specified host.
  Service Unavailability: The service or application you are trying to connect to may not be running or may be temporarily unavailable.
  
  Solution:
  
  
  Check Configuration:
  
  Verify the configuration settings in the SAP system for the host, port, and application. Ensure that they are correctly defined.
  Check the relevant configuration files or settings in the SAP Cloud Platform cockpit or the relevant administration interface.
  
  
  
  Create or Update Mapping:
  
  If the mapping does not exist, you may need to create it. This can typically be done in the service configuration settings.
  If the mapping exists but is incorrect, update it with the correct values.
  
  
  
  Network Connectivity:
  
  Ensure that there are no network issues preventing access to the specified host. You can use tools like ping or telnet to check connectivity to the host and port.
  
  
  
  Service Status:
  
  Check if the application or service you are trying to connect to is up and running. If it is down, you may need to restart it or contact the relevant support team.
  
  
  
  Logs and Traces:
  
  Review the application logs and traces for more detailed error messages that might provide additional context about the issue.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation or support notes related to the specific service or application for any additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to identify and resolve the issue related to the CLB2455 error message.