Why Are My Resources Missing in My Runnable JAR?

Troubleshooting Missing Resources in Runnable JARs

When exporting a project as a runnable JAR from Eclipse, resources such as images and other files sometimes disappear. This can be frustrating, especially when they're located within the JAR but inaccessible during runtime.

Issue

When trying to retrieve resources, the code uses getClass().getResource to access them. However, this method doesn't seem to work, and the JAR execution fails.

Solution

The problem lies in the organization of the resources within the project. To resolve this issue, follow these steps:

1. Create a new source folder within the project.
2. Manually copy the resources (e.g., images, fonts) into this new source folder.
3. Refresh the project in Eclipse to make these new resources visible.

Accessing Resources

After organizing the resources into the source folder, you can access them from your code using:

<code class="java">getClass().getResource("/images/yourImageName.extension");</code>

This will return a URL object representing the location of the resource.

Key Points

• Resources should be stored in a separate source folder to ensure proper packaging during JAR creation.
• The leading forward slash ("/") in the resource path refers to the source folder containing the resources.
• When the JAR is executed, the resources from the source folder are automatically added to the "bin" folder.

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