Error loading saas file: SaaSServices/Twitter/Twitter.xml
Caused: java.lang.NullPointerException
        at javax.xml.bind.ContextFinder.handleClassCastException(ContextFinder.java:95)
        at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:142)
        at javax.xml.bind.ContextFinder.find(ContextFinder.java:289)
        at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:412)
        at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:375)
        at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:279)
        at org.netbeans.modules.websvc.saas.util.SaasUtil.loadJaxbObject(SaasUtil.java:143)
        at org.netbeans.modules.websvc.saas.util.SaasUtil.loadJaxbObject(SaasUtil.java:113)
        at org.netbeans.modules.websvc.saas.util.SaasUtil.loadSaasServices(SaasUtil.java:263)
        at org.netbeans.modules.websvc.saas.model.SaasServicesModel.loadSaasServiceFile(SaasServicesModel.java:203)
        at org.netbeans.modules.websvc.saas.model.SaasServicesModel.loadFromDefaultFileSystem(SaasServicesModel.java:143)
        at org.netbeans.modules.websvc.saas.model.SaasServicesModel.initRootGroup(SaasServicesModel.java:107)
        at org.netbeans.modules.websvc.saas.ui.nodes.SaasServicesRootNode$RootNodeChildren$1.run(SaasServicesRootNode.java:139)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:602)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1084)