How To Fix UJD_EXCEPTION284 - Buffer head critical section: Get &1 times, conflict &2 times

SAP Error Message - Details

• Message type: E = Error

• Message class: UJD_EXCEPTION - BPC: Data Manager Exception Message Class

• Message number: 284

• Message text: Buffer head critical section: Get &1 times, conflict &2 times

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 UJD_EXCEPTION284 - Buffer head critical section: Get &1 times, conflict &2 times ?

  The SAP error message UJD_EXCEPTION284 indicates a problem related to the buffer head critical section in the SAP system. This error typically arises in the context of SAP BW (Business Warehouse) or SAP HANA environments, where there are issues with data processing or data loading.
  
  Cause:
  The error message suggests that there is a conflict in accessing a shared resource (the buffer head) in the system. This can occur due to:
  
  Concurrency Issues: Multiple processes or threads are trying to access the same resource simultaneously, leading to conflicts.
  Locking Mechanisms: The system may have locking mechanisms that prevent multiple accesses to the same data, and if these locks are not managed properly, it can lead to this error.
  Performance Bottlenecks: High load on the system or inefficient queries can lead to contention for resources, causing the buffer head to be accessed multiple times without resolution.
  
  Configuration Issues: Incorrect configuration settings in the BW or HANA system