How To Fix IOCI021 - Maximum URL length (>255 characters) exceeded

SAP Error Message - Details

• Message type: E = Error

• Message class: IOCI - OCI Interface

• Message number: 021

• Message text: Maximum URL length (>255 characters) exceeded

What causes this issue?

You tried to call up a catalog whose URL is longer than the 255
characters allowed.

System Response

The transaction is ended.

How to fix this error?

Change the call up of the catalog. You may have to contact your catalog
provider to this.

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 IOCI021 - Maximum URL length (>255 characters) exceeded ?

  The SAP error message IOCI021: Maximum URL length (>255 characters) exceeded typically occurs when the URL being generated or used in an SAP application exceeds the maximum allowable length of 255 characters. This can happen in various scenarios, such as when using HTTP requests, web services, or when integrating with external systems.
  Causes:
  
  Long Query Parameters: If the URL contains a large number of query parameters or very long parameter values, it can exceed the limit.
  Complex Routing: In cases where the application is trying to route requests through multiple layers or services, the URL can become excessively long.
  Data Encoding: Special characters in the URL can increase its length due to encoding.
  Configuration Issues: Sometimes, the way the application is configured to generate URLs can lead to excessively long URLs.
  
  Solutions:
  
  
  Reduce URL Length:
  
  Simplify the query parameters by removing unnecessary ones or shortening their names.
  If possible, use POST requests instead of GET requests, as POST requests do not have the same URL length limitations.
  
  
  
  Use URL Shortening Techniques:
  
  If the application allows, consider using URL shortening techniques or encoding methods to reduce the length of the URL.
  
  
  
  Check Application Logic:
  
  Review the application logic to ensure that it is not generating unnecessarily long URLs. This may involve refactoring the code that constructs the URLs.
  
  
  
  Configuration Adjustments:
  
  Check the configuration settings of the SAP application or the web server to see if there are any parameters that can be adjusted to handle longer URLs.
  
  
  
  Error Handling:
  
  Implement error handling to catch this specific error and provide a user-friendly message or alternative actions.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error. SAP frequently releases updates that may address known issues.
  Documentation: Review the official SAP documentation for the specific module or application you are working with to understand any limitations or best practices regarding URL lengths.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with SAP support for further assistance.