Getting com.fasterxml.jackson.databind.JsonMappingException: (was java.lang.NullPointerException) error while sending WNS Tile or Toast

[nirav9261]

Getting below error while sending WNS Tile or Toast even after installing libraries with dependencies.

Exception : com.fasterxml.jackson.databind.JsonMappingException: (was java.lang.NullPointerException) (through reference chain: ar.com.fernandospr.wns.model.WnsTile["visual"]->ar.com.fernandospr.wns.model.WnsVisual["binding"]->ar.com.fernandospr.wns.model.WnsBinding["text"]->java.util.ArrayList[0]->ar.com.fernandospr.wns.model.WnsText["id"])
javax.ws.rs.ProcessingException: com.fasterxml.jackson.databind.JsonMappingException: (was java.lang.NullPointerException) (through reference chain: ar.com.fernandospr.wns.model.WnsTile["visual"]->ar.com.fernandospr.wns.model.WnsVisual["binding"]->ar.com.fernandospr.wns.model.WnsBinding["text"]->java.util.ArrayList[0]->ar.com.fernandospr.wns.model.WnsText["id"])
at org.glassfish.jersey.client.HttpUrlConnector.apply(HttpUrlConnector.java:245)
at org.glassfish.jersey.client.ClientRuntime.invoke(ClientRuntime.java:246)
at org.glassfish.jersey.client.JerseyInvocation$1.call(JerseyInvocation.java:667)
at org.glassfish.jersey.client.JerseyInvocation$1.call(JerseyInvocation.java:664)
at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
at org.glassfish.jersey.internal.Errors.process(Errors.java:228)
at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:444)
at org.glassfish.jersey.client.JerseyInvocation.invoke(JerseyInvocation.java:664)
at ar.com.fernandospr.wns.client.WnsClient.push(WnsClient.java:135)
at ar.com.fernandospr.wns.WnsService.pushTile(WnsService.java:84)
at ar.com.fernandospr.wns.WnsService.pushTile(WnsService.java:72)
at com.tcs.sgv.communication.bo.CmnCommunicationBO.WNSBroadCast(CmnCommunicationBO.java:1111)
at com.tcs.sgv.communication.bo.CmnCommunicationBO.sendPushNotification(CmnCommunicationBO.java:856)
at com.tcs.sgv.communication.zk.composer.NewCommunicationComposer.onClick$btnSave(NewCommunicationComposer.java:354)
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.zkoss.zk.ui.event.GenericEventListener.onEvent(GenericEventListener.java:87)
at com.tcs.sgv.zk.common.composer.GenericComposer.onEvent(GenericComposer.java:424)
at org.zkoss.zk.ui.impl.EventProcessor.process0(EventProcessor.java:193)
at org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:138)
at org.zkoss.zk.ui.impl.EventProcessingThreadImpl.process0(EventProcessingThreadImpl.java:518)
at org.zkoss.zk.ui.impl.EventProcessingThreadImpl.sendEvent(EventProcessingThreadImpl.java:121)
at org.zkoss.zk.ui.event.Events.sendEvent(Events.java:318)
at org.zkoss.zk.ui.event.Events.sendEvent(Events.java:329)
at org.zkoss.zk.ui.AbstractComponent$ForwardListener.onEvent(AbstractComponent.java:3022)
at org.zkoss.zk.ui.impl.EventProcessor.process0(EventProcessor.java:193)
at org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:138)
at org.zkoss.zk.ui.impl.EventProcessingThreadImpl.process0(EventProcessingThreadImpl.java:518)
at org.zkoss.zk.ui.impl.EventProcessingThreadImpl.run(EventProcessingThreadImpl.java:444)
Caused by: com.fasterxml.jackson.databind.JsonMappingException: (was java.lang.NullPointerException) (through reference chain: ar.com.fernandospr.wns.model.WnsTile["visual"]->ar.com.fernandospr.wns.model.WnsVisual["binding"]->ar.com.fernandospr.wns.model.WnsBinding["text"]->java.util.ArrayList[0]->ar.com.fernandospr.wns.model.WnsText["id"])
at com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:210)
at com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:177)
at com.fasterxml.jackson.databind.ser.std.StdSerializer.wrapAndThrow(StdSerializer.java:190)
at com.fasterxml.jackson.dataformat.xml.ser.XmlBeanSerializerBase.serializeFields(XmlBeanSerializerBase.java:219)
at com.fasterxml.jackson.dataformat.xml.ser.XmlBeanSerializer.serialize(XmlBeanSerializer.java:119)
at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:113)
at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serialize(IndexedListSerializer.java:73)
at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serialize(IndexedListSerializer.java:19)
at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:575)
at com.fasterxml.jackson.dataformat.xml.ser.XmlBeanSerializerBase.serializeFields(XmlBeanSerializerBase.java:202)
at com.fasterxml.jackson.dataformat.xml.ser.XmlBeanSerializer.serialize(XmlBeanSerializer.java:119)
at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:575)
at com.fasterxml.jackson.dataformat.xml.ser.XmlBeanSerializerBase.serializeFields(XmlBeanSerializerBase.java:202)
at com.fasterxml.jackson.dataformat.xml.ser.XmlBeanSerializer.serialize(XmlBeanSerializer.java:119)
at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:575)
at com.fasterxml.jackson.dataformat.xml.ser.XmlBeanSerializerBase.serializeFields(XmlBeanSerializerBase.java:202)
at com.fasterxml.jackson.dataformat.xml.ser.XmlBeanSerializer.serialize(XmlBeanSerializer.java:119)
at com.fasterxml.jackson.dataformat.xml.ser.XmlSerializerProvider.serializeValue(XmlSerializerProvider.java:92)
at com.fasterxml.jackson.databind.ObjectWriter.writeValue(ObjectWriter.java:851)
at com.fasterxml.jackson.jaxrs.base.ProviderBase.writeTo(ProviderBase.java:648)
at org.glassfish.jersey.message.internal.WriterInterceptorExecutor$TerminalWriterInterceptor.invokeWriteTo(WriterInterceptorExecutor.java:265)
at org.glassfish.jersey.message.internal.WriterInterceptorExecutor$TerminalWriterInterceptor.aroundWriteTo(WriterInterceptorExecutor.java:250)
at org.glassfish.jersey.message.internal.WriterInterceptorExecutor.proceed(WriterInterceptorExecutor.java:162)
at org.glassfish.jersey.filter.LoggingFilter.aroundWriteTo(LoggingFilter.java:295)
at org.glassfish.jersey.message.internal.WriterInterceptorExecutor.proceed(WriterInterceptorExecutor.java:162)
at org.glassfish.jersey.message.internal.MessageBodyFactory.writeTo(MessageBodyFactory.java:1118)
at org.glassfish.jersey.client.ClientRequest.writeEntity(ClientRequest.java:503)
at org.glassfish.jersey.client.HttpUrlConnector._apply(HttpUrlConnector.java:331)
at org.glassfish.jersey.client.HttpUrlConnector.apply(HttpUrlConnector.java:243)
at org.glassfish.jersey.client.ClientRuntime.invoke(ClientRuntime.java:246)
at org.glassfish.jersey.client.JerseyInvocation$1.call(JerseyInvocation.java:667)
at org.glassfish.jersey.client.JerseyInvocation$1.call(JerseyInvocation.java:664)
at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
at org.glassfish.jersey.internal.Errors.process(Errors.java:228)
at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:444)
at org.glassfish.jersey.client.JerseyInvocation.invoke(JerseyInvocation.java:664)
at ar.com.fernandospr.wns.client.WnsClient.push(WnsClient.java:135)
at ar.com.fernandospr.wns.WnsService.pushTile(WnsService.java:84)
at ar.com.fernandospr.wns.WnsService.pushTile(WnsService.java:72)
at com.tcs.sgv.communication.bo.CmnCommunicationBO.WNSBroadCast(CmnCommunicationBO.java:1109)
at com.tcs.sgv.communication.bo.CmnCommunicationBO.sendPushNotification(CmnCommunicationBO.java:856)
at com.tcs.sgv.communication.zk.composer.NewCommunicationComposer.onClick$btnSave(NewCommunicationComposer.java:354)
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.zkoss.zk.ui.event.GenericEventListener.onEvent(GenericEventListener.java:87)
at com.tcs.sgv.zk.common.composer.GenericComposer.onEvent(GenericComposer.java:424)
at org.zkoss.zk.ui.impl.EventProcessor.process0(EventProcessor.java:192)
at org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:138)
at org.zkoss.zk.ui.impl.EventProcessingThreadImpl.process0(EventProcessingThreadImpl.java:517)
at org.zkoss.zk.ui.impl.EventProcessingThreadImpl.sendEvent(EventProcessingThreadImpl.java:121)
at org.zkoss.zk.ui.event.Events.sendEvent(Events.java:318)
at org.zkoss.zk.ui.event.Events.sendEvent(Events.java:328)
at org.zkoss.zk.ui.AbstractComponent$ForwardListener.onEvent(AbstractComponent.java:3022)
at org.zkoss.zk.ui.impl.EventProcessor.process0(EventProcessor.java:192)
at org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:138)
at org.zkoss.zk.ui.impl.EventProcessingThreadImpl.process0(EventProcessingThreadImpl.java:517)
... 1 more
Caused by: java.lang.NullPointerException
at java.io.Writer.write(Writer.java:140)
at weblogic.xml.stax.XMLWriterBase.write(XMLWriterBase.java:79)
at weblogic.xml.stax.XMLWriterBase.writeName(XMLWriterBase.java:294)
at weblogic.xml.stax.XMLWriterBase.writeAttribute(XMLWriterBase.java:567)
at org.codehaus.stax2.ri.Stax2WriterAdapter.writeIntAttribute(Stax2WriterAdapter.java:191)
at com.fasterxml.jackson.dataformat.xml.ser.ToXmlGenerator.writeNumber(ToXmlGenerator.java:759)
at com.fasterxml.jackson.databind.ser.std.NumberSerializers$IntegerSerializer.serialize(NumberSerializers.java:143)
at com.fasterxml.jackson.databind.ser.std.NumberSerializers$IntegerSerializer.serialize(NumberSerializers.java:136)
at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:575)
at com.fasterxml.jackson.dataformat.xml.ser.XmlBeanSerializerBase.serializeFields(XmlBeanSerializerBase.java:202)
... 56 more

[nirav9261]

Written below code to push from server.

boolean logging = true;
String sid = "mySID";
String clientSecret = "clientSecret";
WnsService service = new WnsService(sid, clientSecret, logging);

  String channelUri = data.get("tokenId").toString();
  if ((data.get("Title") != null) && (data.get("Content") != null))
  {
    WnsTile tile = new WnsTileBuilder().bindingTemplateTileWideText03("Hello world").build();
    service.pushTile(channelUri, tile);

    WnsBadge badge = new WnsBadgeBuilder().value(Integer.valueOf(1)).build();
    service.pushBadge(channelUri, badge);

    WnsToast toast = new WnsToastBuilder().bindingTemplateToastText02(data.get("Title").toString(), data.get("Content").toString()).build();
    WnsNotificationResponse wnsResponse = service.pushToast(channelUri, toast);

}

From references found online, it seems I need to amend code in java-wns.jar.

Can you please help.

Thanks.

[nirav9261]

@fernandospr : can you please look in issue I am facing. Thanks.

[fernandospr]

Hi @nirav9261, sorry for the delay in the response.
Unfortunately, it's difficult for me to continue giving support on this library as I don't have a device to test. However, if you want, you can develop the fix and submit a pull request.