How Can I Successfully Access XML Files Embedded in Java JARs?

Accessing XML Resources from Java Jar Files

When accessing an XML file within a jar file from a separate jar, obtaining the file's URL is often insufficient. Attempting to use a FileReader with this URL can result in a FileNotFoundException.

Instead, to read XML resources from a jar file effectively, use java.lang.Class.getResourceAsStream(String) method. This method returns an InputStream that allows you to read the resource's contents.

An example of using getResourceAsStream to read an XML file from a jar:

URL url = getClass().getResource("/xxx/xxx/xxx/services.xml");
try (InputStream stream = url.openStream()) {
    // Read the XML file using a suitable parser
} catch (IOException e) {
    // Handle IO error
}

By utilizing getResourceAsStream, you can seamlessly access XML resources within jar files, ensuring correct functionality and avoiding exceptions.

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