With Wizard created this bug with project "wizard8"
com.fasterxml.jackson.databind.JsonMappingException: Non-standard token 'NaN': enable JsonParser.Feature.ALLOW_NON_NUMERIC_NUMBERS to allow at [Source: (org.glassfish.jersey.message.internal.EntityInputStream); line: 1, column: 1541] at [Source: (org.glassfish.jersey.message.internal.EntityInputStream); line: 1, column: 1530] (through reference chain: unipotsdam.gf.modules.group.preferences.groupal.response.ResponseHolder["results"]) com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:391) com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:351) com.fasterxml.jackson.databind.deser.BeanDeserializerBase.wrapAndThrow(BeanDeserializerBase.java:1704) com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:290) com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:151) com.fasterxml.jackson.databind.ObjectReader._bind(ObjectReader.java:1574) com.fasterxml.jackson.databind.ObjectReader.readValue(ObjectReader.java:965) com.fasterxml.jackson.jaxrs.base.ProviderBase.readFrom(ProviderBase.java:815) org.glassfish.jersey.message.internal.ReaderInterceptorExecutor$TerminalReaderInterceptor.invokeReadFrom(ReaderInterceptorExecutor.java:257) org.glassfish.jersey.message.internal.ReaderInterceptorExecutor$TerminalReaderInterceptor.aroundReadFrom(ReaderInterceptorExecutor.java:229) org.glassfish.jersey.message.internal.ReaderInterceptorExecutor.proceed(ReaderInterceptorExecutor.java:149) org.glassfish.jersey.message.internal.MessageBodyFactory.readFrom(MessageBodyFactory.java:1124) org.glassfish.jersey.message.internal.InboundMessageContext.readEntity(InboundMessageContext.java:853) org.glassfish.jersey.message.internal.InboundMessageContext.readEntity(InboundMessageContext.java:785) org.glassfish.jersey.client.ClientResponse.readEntity(ClientResponse.java:335) org.glassfish.jersey.client.InboundJaxrsResponse$1.call(InboundJaxrsResponse.java:111) org.glassfish.jersey.internal.Errors.process(Errors.java:315) org.glassfish.jersey.internal.Errors.process(Errors.java:297) org.glassfish.jersey.internal.Errors.process(Errors.java:228) org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:398) org.glassfish.jersey.client.InboundJaxrsResponse.readEntity(InboundJaxrsResponse.java:108) unipotsdam.gf.modules.group.preferences.groupal.PGroupAlMatcher.calculateGroupsWithGroupAl(PGroupAlMatcher.java:130) unipotsdam.gf.modules.group.preferences.groupal.PGroupAlMatcher.calculateGroups(PGroupAlMatcher.java:96) unipotsdam.gf.modules.group.preferences.groupal.PGroupAlMatcher.calculateGroups(PGroupAlMatcher.java:51) unipotsdam.gf.process.GroupFormationProcess.getOrInitializeGroups(GroupFormationProcess.java:132) unipotsdam.gf.modules.group.GroupView.getOrInitializeGroups(GroupView.java:67) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:498) org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81) org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:151) org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:171) org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$TypeOutInvoker.doDisp