How To Fix SWF_CCMS177 - BPE qRFC queue without errors

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_CCMS - CCMS: Monitoring

• Message number: 177

• Message text: BPE qRFC queue without errors

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWF_CCMS177 - BPE qRFC queue without errors ?

  The SAP error message SWF_CCMS177 indicates that there is a problem with a Business Process Engine (BPE) qRFC (queued Remote Function Call) queue, specifically that it is not processing messages as expected, even though there are no errors reported in the queue itself. This can lead to delays in processing workflows or other business processes that rely on these queued messages.
  Cause
  The cause of this issue can vary, but common reasons include:
  
  Queue Blockage: The qRFC queue may be blocked due to a previous message that is not being processed correctly, even if it does not show an error.
  Resource Issues: There may be insufficient resources (e.g., memory, CPU) on the application server that is processing the queue.
  Configuration Issues: Incorrect configuration settings for the BPE or the qRFC queue can lead to processing issues.
  Network Issues: Network problems can prevent messages from being sent or received properly.
  Database Locks: Locks on database tables that the BPE is trying to access can cause delays in processing.
  
  Solution
  To resolve the SWF_CCMS177 error, you can take the following steps:
  
  
  Check Queue Status: Use transaction SMQ1 (for outbound queues) or SMQ2 (for inbound queues) to check the status of the qRFC queues. Look for any messages that are stuck or not being processed.
  
  
  Analyze Logs: Check the application logs (transaction SLG1) for any warnings or errors that might provide more context about the issue.
  
  
  Monitor System Resources: Use transaction ST02 (buffer management) and ST06 (OS monitoring) to check for any resource bottlenecks on the application server.
  
  
  Restart the Queue: If you identify a blockage, you may need to restart the qRFC queue. This can be done by using transaction SMQ1 or SMQ2 to delete or process the stuck messages.
  
  
  Check Configuration: Review the configuration settings for the BPE and the qRFC queues to ensure they are set up correctly.
  
  
  Database Locks: Use transaction SM12 to check for any locks on database tables that might be causing the issue. If you find locks that are no longer needed, you can release them.
  
  
  Network Check: Ensure that there are no network issues affecting communication between systems, especially if the qRFC is used for communication between different SAP systems.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SMQ1, SMQ2, SLG1, ST02, ST06, and SM12.
  SAP Documentation: Review SAP documentation related to the Business Process Engine and qRFC for more detailed information on configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be necessary to involve SAP support for further assistance.