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

IOCI021 - Overview

• 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