How To Fix UJF_EXCEPTION028 - Maximum number of open files exceeded

UJF_EXCEPTION028 - Overview

• Message type: E = Error

• Message class: UJF_EXCEPTION - BPC: File Service Message Class

• Message number: 028

• Message text: Maximum number of open files exceeded

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.

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UJF_EXCEPTION028 - Details

• The SAP error message UJF_EXCEPTION028: Maximum number of open files exceeded typically indicates that the system has reached the limit of file descriptors that can be opened simultaneously. This can occur in various environments, including SAP systems running on Unix/Linux or Windows servers.
  Causes:
  
  File Descriptor Limit: Each operating system has a limit on the number of file descriptors that can be opened by a single process or by the system as a whole. If your SAP application is trying to open more files than this limit, you will encounter this error.
  Resource Leaks: If the application is not properly closing file handles after use, it can lead to resource leaks, eventually exhausting the available file descriptors.
  High Load: A sudden increase in load or concurrent users can lead to more files being opened than usual, hitting the limit.
  
  Configuration Issues: The system may be configured with a low limit for file descriptors, which may