I created a JBS issue: https://bugs.openjdk.java.net/browse/JDK-8177980
What platform are you running on? This works on linux but I can reproduce the problem on OSX (related to case-insensitive file system). Mandy > On Apr 3, 2017, at 8:54 AM, Rabea Gransberger <rgransber...@gmx.de> wrote: > > Hello, > > while migrating example code to Java 9 Modules I ran into a problem: > > ResourceBundle bundle = ResourceBundle.getBundle("de.rgra.nl.messages"); > System.out.println(bundle.getString("I18n.message")); > > The properties file path is: > src\de\rgra\nl\messages.properties > > The code works on Java 8 and 9 when used on the Classpath. > > It fails in Java 9 when used in a module on the Modulepath with: > > Exception in thread "main" java.lang.NoClassDefFoundError: > de/rgra/nl/Messages (wrong name: de/rgra/nl/messages) > > Changing it to uppercase M will work on Classpath and Modulepath > (without changing the properties file to uppercase M): > > ResourceBundle bundle = ResourceBundle.getBundle("de.rgra.nl.Messages"); > System.out.println(bundle.getString("I18n.message")); > > Can anybody explain to me why this happens? > > The example with run script can be found at: > https://github.com/rgra/java9-module-refactoring/tree/master/resourcebundle > > > > --- > Diese E-Mail wurde von Avast Antivirus-Software auf Viren geprüft. > https://www.avast.com/antivirus >