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Hi, I have been using richfaces 4 since milestone1.From the milestone 3 and 4, the panel components like collapsible and accordion have been added. The problem I have is that the code in the renderer use java.lang.String.isEmpty() method which available since Java 6. My development and production environment are still using Java 5 and therefore this throws NoSuchMethodError.
Would you please consider refactor the codes to use method that backward compatible to Java 5 especially the built-in classes like java.lang.String? I am sure that lots of the production environments out there still use Java 5. Otherwise, I will have to build the richfaces everytime the new version release.