It could be related to the DTD: http://stackoverflow.com/questions/17144563/struts2-annotation-valiation-nullpointer-exception
2013/9/20 JOSE L MARTINEZ-AVIAL <jlm...@gmail.com> > I assume you have an xml file to set the definitions, right? could you > share it? > > > 2013/9/20 Néstor Boscán <nesto...@gmail.com> > >> I've been trying to make Struts 2 JavaScript Validation work on WebLogic >> 10.3.6. I first used 2.3.8 version and then the latest 2.3.15.2 version. I >> still get the same error: >> >> java.lang.NullPointerException >> at >> com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.lo >> adFile(AnnotationActionValidatorManager.java:391) >> at >> com.opensymphony.xwork2.validator.AnnotationActionValidatorManager.bu >> ildAliasValidatorConfigs(AnnotationActionValidatorManager.java:271) >> >> Any ideas? >> > >