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org.jboss.resteasy.spi.UnhandledException: java.lang.NullPointerException at org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:295) at org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:195) at org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:172) at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:501) at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:463) at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:117) at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:198) at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:48) at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:43) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:530) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1219) at org.obiba.opal.server.httpd.OpalJettyServer$TransactionFilter$1.doInTransactionWithoutResult(OpalJettyServer.java:216) at org.springframework.transaction.support.TransactionCallbackWithoutResult.doInTransaction(TransactionCallbackWithoutResult.java:33) at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130) at org.obiba.opal.server.httpd.OpalJettyServer$TransactionFilter.doFilterInternal(OpalJettyServer.java:212) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1190) at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:83) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1190) at org.obiba.opal.server.httpd.security.AuthenticationFilter.doFilterInternal(AuthenticationFilter.java:60) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1190) at org.obiba.opal.server.httpd.OpalJettyServer$OpalVersionFilter.doFilterInternal(OpalJettyServer.java:197) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1190) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:424) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:931) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:361) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:867) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:47) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:113) at org.eclipse.jetty.server.Server.handle(Server.java:337) at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:581) at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1005) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:560) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:222) at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:417) at org.eclipse.jetty.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:474) at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:437) at java.lang.Thread.run(Thread.java:662)Caused by: java.lang.NullPointerException at org.obiba.opal.web.model.Ws$ClientErrorDto$Builder.addArguments(Ws.java:392) at org.obiba.opal.web.magma.ClientErrorDtos.getErrorMessage(ClientErrorDtos.java:35) at org.obiba.opal.web.FunctionalUnitResource.mapIdentifiers(FunctionalUnitResource.java:319) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:140) at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:246) at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:214) at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:204) at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:486) ... 39 more