How To Fix MMPUR_CAT_EXTR_LGMSG187 - Error in http listen

SAP Error Message - Details

• Message type: E = Error

• Message class: MMPUR_CAT_EXTR_LGMSG - Extractor Log Messages

• Message number: 187

• Message text: Error in http listen

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MMPUR_CAT_EXTR_LGMSG187 - Error in http listen ?

  The SAP error message MMPUR_CAT_EXTR_LGMSG187 typically indicates an issue with the HTTP listener in the context of the SAP Materials Management (MM) module, particularly when dealing with external catalog integration. This error can arise due to various reasons, including configuration issues, network problems, or service availability.
  Possible Causes:
  
  Configuration Issues: The HTTP listener may not be properly configured in the SAP system. This includes settings related to the HTTP connection, proxy settings, or the service endpoint.
  Network Problems: There may be network connectivity issues between the SAP system and the external catalog service.
  Service Availability: The external catalog service may be down or not reachable, leading to the error when the SAP system attempts to connect.
  Authorization Issues: The user or service account used to access the external catalog may not have the necessary permissions.
  Firewall or Security Settings: Firewalls or security settings may be blocking the HTTP requests from reaching the external service.
  
  Solutions:
  
  
  Check Configuration:
  
  Verify the configuration settings for the HTTP listener in the SAP system. Ensure that the URL, port, and other parameters are correctly set.
  Check the settings in transaction SPRO under the relevant configuration for external catalogs.
  
  
  
  Test Connectivity:
  
  Use tools like ping or telnet to check if the SAP system can reach the external catalog service.
  If possible, use a browser or a tool like Postman to test the HTTP endpoint directly.
  
  
  
  Review Logs:
  
  Check the SAP application logs (transaction SLG1) for more detailed error messages that can provide additional context.
  Look at the HTTP trace (transaction SMICM) to see if there are any errors or issues with the HTTP requests.
  
  
  
  Check Service Status:
  
  Confirm that the external catalog service is up and running. Contact the service provider if necessary.
  
  
  
  Review Authorizations:
  
  Ensure that the user or service account has the necessary authorizations to access the external catalog.
  
  
  
  Firewall and Security Settings:
  
  Review firewall settings to ensure that they are not blocking the HTTP requests. Work with your network/security team if needed.
  
  
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for external catalog integration to ensure that all steps have been followed correctly.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage SAP support for further assistance.