5 Replies Latest reply on Jul 7, 2009 5:12 PM by sdsd sdasd

    remote ejb call and backing bean constructor

    sdsd sdasd Newbie

      hi , i have deployed a jar a machine aunder jboss 5 , configure it it run just fine, now i exported my ejb project as jar to use it in my web project , i added a test class in my web project like :


      package com.vox.utils;
      
      
      import java.util.List;
      import java.util.Properties;
      
      import javax.naming.Context;
      import javax.naming.InitialContext;
      import javax.naming.NamingException;
      
      import com.vox.core.services.VoxManager;
      import com.vox.core.persistence.model.Cdr;
      
      
      public class voxClientTest {
       public static void main(String [] args) {
      
       try {
      
      
       Properties props = new Properties();
       props.setProperty("java.naming.factory.initial","org.jnp.interfaces.NamingContextFactory");
       props.setProperty("java.naming.provider.url", "jnp://192.168.1.201:1099");
       props.setProperty("java.naming.factory.url.pkgs", "org.jboss.naming");
       props.setProperty("jnp.socket.Factory", "org.jnp.interfaces.TimedSocketFactory");
      
       Context context = new InitialContext(props);
      
       try {
       VoxManager VoxManager = (VoxManager) context.lookup("VoxService/remote");
      
       List<Cdr> cdr = (List<Cdr>) VoxManager.findAllCdr();
       for(Cdr o:cdr)
       {
       System.out.println("***"+o.getClid());
      
       }
      
       } catch (NamingException e) {
       e.printStackTrace();
       }
      
       int e=23;
       } catch (Exception ex) {
       ex.printStackTrace();
       }
      
      }
       private static Context getInitialContext() throws NamingException {
       return new InitialContext();
       }
      
      }
      


      in my backend bean who is used to display a datatable in a jsp , backend bean code:



      package com.vox.bean.view;
      
      import java.util.ArrayList;
      import java.util.List;
      import java.util.Properties;
      
      import javax.annotation.PostConstruct;
      import javax.naming.Context;
      import javax.naming.InitialContext;
      
      import javax.naming.NamingException;
      
      import com.vox.core.persistence.model.Cdr;
      import com.vox.core.services.VoxManager;
      
      
      
      public class ShowCdrsView {
      
       List cdrs = new ArrayList();
      
       public ShowCdrsView() {
      
       Properties props = new Properties();
       props.setProperty("java.naming.factory.initial","org.jnp.interfaces.NamingContextFactory");
       props.setProperty("java.naming.provider.url", "jnp://192.168.1.201:1099");
       props.setProperty("java.naming.factory.url.pkgs", "org.jboss.naming");
       props.setProperty("jnp.socket.Factory", "org.jnp.interfaces.TimedSocketFactory");
      
      
       try {
       System.out.println("111");
       Context context = new InitialContext(props);
       System.out.println("22");
       VoxManager VoxManager = (VoxManager) context.lookup("VoxService/remote");
      
       List<Cdr> cdr = (List<Cdr>) VoxManager.findAllCdr();
       for(Cdr o:cdr)
       {
       System.out.println("***"+o.getClid());
       }
      
       } catch (NamingException e) {
       e.printStackTrace();
       }
      
       }
      
       public List getCdrs() {
       return cdrs;
       }
      
       public void setCdrs(List cdrs) {
       this.cdrs = cdrs;
       }
      
       private static Context getInitialContext() throws NamingException {
      
       return new InitialContext();
       }
      
      
      }
      
      


      but it was giving me the error :

      111
      javax.naming.NoInitialContextException: Cannot instantiate class: org.jnp.interfaces.NamingContextFactory [Root exception is java.lang.ClassNotFoundException: org.jnp.interfaces.NamingContextFactory]
       at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:657)
       at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:288)
       at javax.naming.InitialContext.init(InitialContext.java:223)
       at javax.naming.InitialContext.<init>(InitialContext.java:197)
       at com.vox.bean.view.ShowCdrsView.init(ShowCdrsView.java:38)
       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.apache.catalina.util.DefaultAnnotationProcessor.postConstruct(DefaultAnnotationProcessor.java:79)
       at com.sun.faces.vendor.Tomcat6InjectionProvider.invokePostConstruct(Tomcat6InjectionProvider.java:82)
       at com.sun.faces.config.ManagedBeanFactoryImpl.newInstance(ManagedBeanFactoryImpl.java:327)
       at com.sun.faces.application.ApplicationAssociate.createAndMaybeStoreManagedBeans(ApplicationAssociate.java:551)
       at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:82)
       at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
       at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64)
       at org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:45)
       at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
       at com.sun.faces.config.ManagedBeanFactoryImpl.evaluateValueExpressionGet(ManagedBeanFactoryImpl.java:1003)
       at com.sun.faces.config.ManagedBeanFactoryImpl.setPropertiesIntoBean(ManagedBeanFactoryImpl.java:636)
       at com.sun.faces.config.ManagedBeanFactoryImpl.newInstance(ManagedBeanFactoryImpl.java:317)
       at com.sun.faces.application.ApplicationAssociate.createAndMaybeStoreManagedBeans(ApplicationAssociate.java:551)
       at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:82)
       at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
       at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64)
       at org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:45)
       at org.apache.el.parser.AstValue.getValue(AstValue.java:86)
       at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
       at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
       at javax.faces.component.UIData.getValue(UIData.java:582)
       at org.ajax4jsf.component.UIDataAdaptor.getValue(UIDataAdaptor.java:1640)
       at org.ajax4jsf.component.SequenceDataAdaptor.getDataModel(SequenceDataAdaptor.java:48)
       at org.ajax4jsf.component.SequenceDataAdaptor.createDataModel(SequenceDataAdaptor.java:42)
       at org.richfaces.component.UIDataTable.createDataModel(UIDataTable.java:122)
       at org.ajax4jsf.component.UIDataAdaptor.getExtendedDataModel(UIDataAdaptor.java:621)
       at org.ajax4jsf.component.UIDataAdaptor.setRowKey(UIDataAdaptor.java:339)
       at org.richfaces.renderkit.AbstractTableRenderer.encodeTableStructure(AbstractTableRenderer.java:121)
       at org.richfaces.renderkit.html.DataTableRenderer.doEncodeBegin(DataTableRenderer.java:206)
       at org.richfaces.renderkit.html.DataTableRenderer.doEncodeBegin(DataTableRenderer.java:194)
       at org.ajax4jsf.renderkit.RendererBase.encodeBegin(RendererBase.java:101)
       at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:785)
       at javax.faces.component.UIData.encodeBegin(UIData.java:879)
       at org.ajax4jsf.component.UIDataAdaptor.encodeBegin(UIDataAdaptor.java:1220)
       at javax.faces.component.UIComponent.encodeAll(UIComponent.java:884)
       at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
       at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
       at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:592)
       at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
       at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:196)
       at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
       at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
       at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
       at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
       at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:177)
       at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:267)
       at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:380)
       at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:507)
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
       at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
       at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
       at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
       at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
       at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
       at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
       at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
       at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
       at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
       at java.lang.Thread.run(Thread.java:619)
      Caused by: java.lang.ClassNotFoundException: org.jnp.interfaces.NamingContextFactory
       at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1358)
       at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204)
       at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
       at java.lang.Class.forName0(Native Method)
       at java.lang.Class.forName(Class.java:247)
       at com.sun.naming.internal.VersionHelper12.loadClass(VersionHelper12.java:46)
       at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:654)
       ... 70 more
      


      which primarly suggest , that i don;t have jbossclient.jar !! , but the test client class is in the same project and she is working just fine,

      after a little googling i add PostContruct to my backing bean:

      
      import java.util.ArrayList;
      import java.util.List;
      import java.util.Properties;
      
      import javax.annotation.PostConstruct;
      import javax.naming.Context;
      import javax.naming.InitialContext;
      
      import javax.naming.NamingException;
      
      import com.vox.core.persistence.model.Cdr;
      import com.vox.core.services.VoxManager;
      
      
      
      public class ShowCdrsView {
      
       List cdrs = new ArrayList();
      
      
       @PostConstruct
       public void init() {
      
       Properties props = new Properties();
       props.setProperty("java.naming.factory.initial","org.jnp.interfaces.NamingContextFactory");
       props.setProperty("java.naming.provider.url", "jnp://192.168.1.201:1099");
       props.setProperty("java.naming.factory.url.pkgs", "org.jboss.naming");
       props.setProperty("jnp.socket.Factory", "org.jnp.interfaces.TimedSocketFactory");
      
      
       try {
       System.out.println("111");
       Context context = new InitialContext(props);
       System.out.println("22");
       VoxManager VoxManager = (VoxManager) context.lookup("VoxService/remote");
      
       List<Cdr> cdr = (List<Cdr>) VoxManager.findAllCdr();
       for(Cdr o:cdr)
       {
       System.out.println("***"+o.getClid());
      
       }
      
      
      
       } catch (NamingException e) {
       e.printStackTrace();
       }
       }
      
       public ShowCdrsView() {
      
       }
      
       public List getCdrs() {
       return cdrs;
       }
      
       public void setCdrs(List cdrs) {
       //init();
       this.cdrs = cdrs;
       }
      
       private static Context getInitialContext() throws NamingException {
      
       return new InitialContext();
       }
      
      
      }
      
      


      but still same issue .
      any idea how to call my ejb remotly in my backing bean constructor?

      and thanks a lot