JBWEB000236: Servlet.service(), maven, jboss, rest


JBWEB000236: Servlet.service(), maven, jboss, rest



I try to recover data from a table but when I try to access the method where it gets the data from the database it gives me an error.



Executing http://localhost:8080/cart/service/sepsRest/obtenerCatalogo; in the line


http://localhost:8080/cart/service/sepsRest/obtenerCatalogo;


listaCatalogo = catalogoServicio.obtenerPorGrupoNemonico("TIPOID");



It gives me the following error.



15:48:15,370 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/cart].[javax.ws.rs.core.Application]] (http-/0.0.0.0:8080-6) JBWEB000236: Servlet.service() for servlet javax.ws.rs.core.Application threw exception: org.jboss.resteasy.spi.UnhandledException: java.lang.NullPointerException at org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:364) [resteasy-jaxrs-2.3.10.Final-redhat-1.jar:] at org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:232) [resteasy-jaxrs-2.3.10.Final-redhat-1.jar:] at org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:208) [resteasy-jaxrs-2.3.10.Final-redhat-1.jar:] at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:556) [resteasy-jaxrs-2.3.10.Final-redhat-1.jar:] at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:523) [resteasy-jaxrs-2.3.10.Final-redhat-1.jar:] at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:125) [resteasy-jaxrs-2.3.10.Final-redhat-1.jar:] at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208) [resteasy-jaxrs-2.3.10.Final-redhat-1.jar:] at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55) [resteasy-jaxrs-2.3.10.Final-redhat-1.jar:] at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50) [resteasy-jaxrs-2.3.10.Final-redhat-1.jar:] at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.2.Final-redhat-2.jar:1.0.2.Final-redhat-2] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1] at ec.gob.seps.sca.agente.filtro.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:30) [sca-agente-1.0.6.jar:] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:231) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:149) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1] at org.jboss.modcluster.container.jbossweb.JBossWebContext$RequestListenerValve.event(JBossWebContext.java:91) at org.jboss.modcluster.container.jbossweb.JBossWebContext$RequestListenerValve.invoke(JBossWebContext.java:72) at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21] at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21] at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169) [jboss-as-web-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:150) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1] at org.jboss.as.web.sso.ClusteredSingleSignOn.invoke(ClusteredSingleSignOn.java:356) [jboss-as-web-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:344) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:854) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:926) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1] at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_40] Caused by: java.lang.NullPointerException at ec.gob.seps.acopio.cart.intranet.web.rest.ConsultaCatalogo.obtenerCatalogo(ConsultaCatalogo.java:36) [classes:] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.8.0_40] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [rt.jar:1.8.0_40] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0_40] at java.lang.reflect.Method.invoke(Method.java:497) [rt.jar:1.8.0_40] at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:168) [resteasy-jaxrs-2.3.10.Final-redhat-1.jar:] at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:269) [resteasy-jaxrs-2.3.10.Final-redhat-1.jar:] at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:227) [resteasy-jaxrs-2.3.10.Final-redhat-1.jar:] at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:216) [resteasy-jaxrs-2.3.10.Final-redhat-1.jar:] at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:541) [resteasy-jaxrs-2.3.10.Final-redhat-1.jar:] ... 27 more



POM.XML


<dependency>
<groupId>com.sun.jersey</groupId>
<artifactId>jersey-core</artifactId>
<version>1.19</version>
</dependency>

<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.4</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>6.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.8.5</version>
</dependency>



WEB.XML


<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
<welcome-file-list>
<welcome-file>index.html</welcome-file>
</welcome-file-list>
<servlet-mapping>
<servlet-name>javax.ws.rs.core.Application</servlet-name>
<url-pattern>/service/*</url-pattern>
</servlet-mapping>
</web-app>



Rest class.java


import java.util.List;

import javax.ws.rs.GET; import javax.ws.rs.POST; import javax.ws.rs.Path; import javax.ws.rs.Produces; import javax.ws.rs.core.MediaType; import javax.ws.rs.core.Response;

import com.google.gson.Gson; import com.google.gson.GsonBuilder;

import ec.gob.seps.acopio.cart.api.CatalogoServicio; import ec.gob.seps.acopio.cart.persistencia.entidad.CartCatalogo;

@Path("/sepsRest") public class ConsultaCatalogo { CatalogoServicio catalogoServicio; @GET @Produces(MediaType.APPLICATION_JSON) @Path("status") public Response getStatus(){ return Response.ok("{"status":"Services book"}").build(); } @POST @Path("/obtenerCatalogo") @Produces({MediaType.APPLICATION_JSON}) public Response obtenerCatalogo(){ String response = null; List<CartCatalogo> listaCatalogo = null; listaCatalogo = catalogoServicio.obtenerPorGrupoNemonico("TIPOID"); response = toJSONString(listaCatalogo); //return listaCatalogo; return Response.ok(response).build(); } public String toJSONString(Object object){ GsonBuilder gsonBuilder = new GsonBuilder(); gsonBuilder.setDateFormat("yyyy-MM-dd"); Gson gson = gsonBuilder.create(); return gson.toJson(object); }

}



Any help will be appreciated





Are you sure catalogoServicio is not null and "TIPOID" can be found in obtenerPorGrupoNemonico?
– Jeroen Heier
Jun 30 at 3:00









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