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Node.js tried to create a file or directory that already exists

EEXIST: file already exists

Node.js attempted an operation that requires a path not to exist yet, but that file or directory was already present.

EEXISTfilesystem

Observed message

EEXIST: file already exists

Why it happens

  • The app is creating a file or folder that already exists.
  • A previous run partially completed and left the target path behind.
  • Concurrent processes are trying to create the same resource.

How to fix it

  1. Check whether the target path already exists before creating it when that fits the workflow.
  2. Use an overwrite, recursive, or idempotent creation strategy if the API supports it safely.
  3. Coordinate concurrent creation logic so duplicate setup steps do not race.

Official reference

Node.js Errors

Related errors

ENOENTNode.js could not find the requested file or directoryENOTDIRNode.js expected a directory but found a file path insteadEISDIRNode.js expected a file but received a directory pathECONNREFUSEDNode.js connection was refused by the target service

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Node.jsBrowse more Node.js errorsfilesystemBrowse more filesystem errors
Node.js EEXIST file already exists: causes and fixes | Error Atlas