<i18n dev> ArrayIndexOutOfBoundsException in ResourceBundle.getBundle(String)in JDK 6&7

Alan Bateman Alan.Bateman at oracle.com
Mon Nov 7 00:45:06 PST 2011

On 07/11/2011 00:19, David Holmes wrote:
> There are a handful of places in the JDK where this kind of 
> stack-based check is used and the assumption is always that there is a 
> "client" Java caller in the stack. Given this kind of code is unaware 
> of the context in which it is called in general, what exception would 
> you throw if you find there is no Java client caller? In the current 
> case the specs for getBundle state that it is the equivalent of 
> calling the classloader-taking form with the expression 
> this.getClass().getClassLoader(). But in the current case there is no 
> this, no current class and no current classloader - so what exception 
> do you throw? "new RuntimeException("Expected Java caller not found")?
> I don't think throwing MissingResourceBundleException is the right way 
> to go here because it hides the mis-use of this API.
For this specific case it probably has to be treated as if the caller's 
loader is the boot class loader. In that case, MissingResourceException 
may be thrown (I can't tell from the original mail if the resource 
bundle is found when the loader is specified as null, I assume not).


More information about the i18n-dev mailing list