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ABENFILE_INTERFACE_LOCKING - FILE INTERFACE LOCKING

ABENFILE_INTERFACE_LOCKING - FILE INTERFACE LOCKING

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Locking Files

The file interface does not contain an integrated locking mechanism that ensures that only one ABAP program at a time can access a file. If multiple programs are writing to a file at the same time, the results are unpredictable.

To avoid this situation, SAP locks or an unambiguous file name, such as UUIDs should be used.

Note

When multiple in AS ABAP try to access a file at the same time, conflicts can still occur despite SAP locks. This is the case, for example, when the operating system buffers data before writing it to a file.






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