How To Fix RSJOB027 - A concurrency exception has occurred

SAP Error Message - Details

• Message type: E = Error

• Message class: RSJOB - Job scheduler related messages

• Message number: 027

• Message text: A concurrency exception has occurred

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSJOB027 - A concurrency exception has occurred ?

  The SAP error message RSJOB027 indicates that a concurrency exception has occurred, typically related to background job processing in the SAP system. This error can arise when multiple jobs are trying to access the same resources or when there are conflicts in job scheduling.
  Causes:
  
  Resource Contention: Multiple jobs are trying to access the same database tables or resources simultaneously, leading to a conflict.
  Job Scheduling Conflicts: Jobs scheduled to run at the same time may interfere with each other, especially if they are dependent on the same data or resources.
  Locking Issues: If a job holds a lock on a resource that another job needs, it can lead to a concurrency exception.
  System Configuration: Misconfiguration in the job scheduling or background processing settings can lead to concurrency issues.
  
  Solutions:
  
  Review Job Scheduling: Check the job scheduling to ensure that jobs are not scheduled to run at the same time if they access the same resources. Stagger the jobs to avoid conflicts.
  Analyze Job Dependencies: Ensure that jobs that depend on the completion of other jobs are properly sequenced. Use job chains or dependencies to manage this.
  Check for Locks: Use transaction codes like SM12 to check for locks held by jobs. If a job is holding a lock that is causing the issue, you may need to terminate that job or wait for it to complete.
  Increase Resources: If resource contention is a frequent issue, consider increasing the system resources (CPU, memory) or optimizing the jobs to reduce their resource consumption.
  Monitor Background Jobs: Use transaction SM37 to monitor background jobs and identify any that are failing or causing issues. Analyze their logs for more details on the error.
  Adjust Job Parameters: Review and adjust the parameters of the jobs that are causing the concurrency exception. This may include changing the priority or runtime settings.
  
  Related Information:
  
  Transaction Codes: 
  
  SM37: Monitor background jobs.
  SM12: Display and manage locks.
  SM21: Check system logs for additional error messages.
  
  
  SAP Notes: Check SAP Notes related to RSJOB027 for any specific patches or updates that may address known issues.
  Documentation: Review SAP documentation on background processing and job scheduling for best practices and configuration guidelines.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.