FileNotFoundException con archivo de propiedades

I'm trying to read some props from backupData.properties. It locates in WEB-INF/classes/. This is how I do:

public class Configures {

    private static final String INPUT_FILE = "WEB-INF//classes//backupData.properties"; 


    public static String getMail() {
        Properties prop = new Properties();
        try {
            //load a properties file
            prop.load(new FileInputStream(INPUT_FILE));

            //get the property value
            return prop.getProperty("mail");

        } catch (IOException ex) {
            ex.printStackTrace();
        }
        return null;
    }
}

Qué INPUT_FILE should contain? I was trying to put it in srcdel ADN, tales como los src//backupData.properties, pero tira FileNotFoundException. I googled that file should locate in CLASSPATH(en WEB-INF/classes as I understood). What is wrong?

PS. I'm using Spring.

preguntado el 28 de enero de 14 a las 18:01

do you check with absolute path ?? -

2 Respuestas

This has nothing to do with Spring. If you are deploying a web application, everything in WEB-INF/classes will appear starting at the root of the classpath.

You can get it the InputStream to that resource with 

InputStream in = Configures.class.getResourceAsStream("/backupData.properties");
prop.load(in);

Since a web application is not always extracted from its .war file, the actual properties file might only exist as a zip entry. As such, you can't (and shouldn't) retrieve it with FileInputStream.

Here's the javadoc.

Respondido el 28 de enero de 14 a las 18:01

I don't think you want the slash in the name. - jalynn2

@jalynn2 Why don't you think so? - Sotirios Delimanolis

because it is in the root of the classpath? - jalynn2

@jalynn2 For that specific reason, it needs to have the leading /. Otherwise, it would be resolved relative the package that Configures es en. - Sotirios Delimanolis

@Tony You're welcome. Take a look at the javadoc I've linked and try to familiarize yourself with the classpath. Web apps are a little different than standalone apps in that regard. - Sotirios Delimanolis

Since you are using SPRING , I suggest you "CAN" use this as part of your Bean definition: 

<property name="template" value="classpath:/backupData.properties">

or 

Resource template = ctx.getResource("classpath:/backupData.properties");

or the plain old as suggested by @Sotirios Delimanolis

Respondido el 28 de enero de 14 a las 18:01

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