NoSuchFileException ☕ Java

java.nio.file.NoSuchFileException: /path/file

An NIO Files operation targeted a path that doesn’t exist.

Seen on: Java

Meaning

The NIO equivalent of FileNotFoundException — the message is just the path. Missing parent directories are a common cause when writing.

Common causes

  • File or parent directory doesn’t exist
  • Relative path resolution
  • Race with deletion

⚡ Quick fix

  1. Create parents: Files.createDirectories(path.getParent())
  2. Check Files.exists
  3. Resolve paths from a known base

Detailed fix by platform

Java

  1. java
    Files.createDirectories(out.getParent());
Files.writeString(out, content);

How to diagnose

  1. Path — Which path?
  2. Parent — Does the directory exist?

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