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How to Fix \'java.io.FileNotFoundException: the system cannot find the file specified\' in Java?

Patricia Arquette
Release: 2024-11-20 14:49:14
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How to Fix

Troubleshooting "java.io.FileNotFoundException: the system cannot find the file specified" Error

When attempting to access the "word.txt" file, the provided Java code encounters a "file not found" error. To resolve this, ensure that the file exists in the same directory as the Java file.

However, if the file is in the same directory but the error persists, consider the following:

Placing the File in the Project Root

Place the "word.txt" file directly as a child of the project root folder, alongside the "src" folder. This structure ensures that the file can be accessed using only its filename as the relative path.

Disclaimer:

This solution may not work in all cases due to the varying concept of a "working directory" in different scenarios.

Working Directory and Resource Embodiment

  • The working directory is relative to the folder where the Java code is executed. When executed from an IDE, it is typically the project root folder.
  • If the file is placed outside the working directory or if the code is executed in a jar, the relative path will no longer be valid.

Classpath Resources for Embedded Files

For files that are meant to be included in the classpath, they should be built into the jar and accessed via an URL:

  • Include the file: Ensure that the file is configured to be included in the classpath during the build process.
  • Access the resource: Utilize the getResource() method of the Class class to obtain an URL for the resource. For example:
URL resourceUrl = Hangman1.class.getResource("/resources/word.txt");
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