How To Fix HTTP_CHW_MSG014 - Enqueue for HTTP Whitelist locked.

SAP Error Message - Details

• Message type: E = Error

• Message class: HTTP_CHW_MSG - strings for output in http alv

• Message number: 014

• Message text: Enqueue for HTTP Whitelist locked.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message HTTP_CHW_MSG014 - Enqueue for HTTP Whitelist locked. ?

  The SAP error message HTTP_CHW_MSG014 indicates that the enqueue for the HTTP whitelist is locked. This typically occurs when there is a concurrent process that is trying to modify the HTTP whitelist while another process is already holding a lock on it. The HTTP whitelist is used to manage and control which HTTP requests are allowed to be processed by the SAP system.
  Cause:
  
  Concurrent Access: Another transaction or process is currently modifying the HTTP whitelist, causing a lock.
  Long-running Transactions: A long-running transaction may have acquired the lock and is not releasing it in a timely manner.
  System Configuration Issues: Misconfiguration in the system or issues with the enqueue server can also lead to this error.
  
  Solution:
  
  Wait and Retry: Often, the simplest solution is to wait for the other process to complete and then retry the operation that caused the error.
  Check Active Processes: Use transaction codes like SM12 to check for active locks in the system. Look for entries related to the HTTP whitelist and identify the process holding the lock.
  Terminate Long-running Processes: If you identify a process that is holding the lock for an extended period, you may need to terminate it using transaction SM37 (for job monitoring) or SM12 (to delete the lock entry).
  System Restart: In some cases, a restart of the enqueue server or the entire SAP system may be necessary to clear the lock.
  Review Configuration: Ensure that the configuration for the HTTP whitelist is correct and that there are no issues with the enqueue server.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM37: To monitor background jobs and processes.
  SM21: To check system logs for any related errors or warnings.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the HTTP whitelist and enqueue locks.
  Documentation: Review SAP documentation on HTTP whitelisting and enqueue management for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.