You are right..
I initially had my attribute as name and then i changed it to pname;
but forget to change the set and get method accordingly
Thank you so very much for this help!
2009/9/30 "Chavarría Teruel, Rubén" <rchavar...@indra.es>
> It seems that you get a NullPointerException in method setName, class
> Person.
>
> Could you show us your code for class Person? It may help.
>
>
>
> Regards,
>
> Ruben
>
>
> ------------------------------
>
> *De:* java-ee-j2ee-programming-with-passion@googlegroups.com [mailto:
> java-ee-j2ee-programming-with-pass...@googlegroups.com] *En nombre de *Dhwani
> Patel
> *Enviado el:* miércoles, 30 de septiembre de 2009 2:42
> *Para:* Java EE (J2EE) Programming with Passion!
> *Asunto:* [java ee programming] Expression Language - 4006 homework
>
>
>
> Hey there,
>
> I am stuck with this project...
>
> I initially got the output for customers But when i added the two lines
> below,
>
> Person person = new Person("Dhwani","patel");
>
> sce.getServletContext().setAttribute("person", person);
>
> I am getting an error like,
>
>
> INFO: SharedSecrets.getJavaNetAccess()=java.net.urlclassloade...@50620f
> INFO: Unknown loader
> org.glassfish.internal.api.delegatingclassloa...@e38fca class
> org.glassfish.internal.api.DelegatingClassLoader
> SEVERE: WebModule[/MyHelloWeb]PWC1275: Exception sending context
> initialized event to listener instance of class
> org.apache.taglibs.standard.examples.startup.Init
> java.lang.NullPointerException
> at
> org.apache.taglibs.standard.examples.beans.Person.setName(Person.java:32)
> at
> org.apache.taglibs.standard.examples.beans.Person.<init>(Person.java:24)
> at
> org.apache.taglibs.standard.examples.startup.Init.init(Init.java:110)
> at
> org.apache.taglibs.standard.examples.startup.Init.contextInitialized(Init.java:78)
> at
> org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4623)
> at
> org.apache.catalina.core.StandardContext.start(StandardContext.java:5323)
> at com.sun.enterprise.web.WebModule.start(WebModule.java:456)
> at
> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:922)
> at
> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:906)
> at
> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:696)
> at
> com.sun.enterprise.web.WebContainer.loadWebModule(WebContainer.java:2205)
> at
> com.sun.enterprise.web.WebContainer.loadWebModule(WebContainer.java:1890)
> at
> com.sun.enterprise.web.WebApplication.start(WebApplication.java:85)
> at
> com.sun.enterprise.v3.server.ApplicationLifecycle.start(ApplicationLifecycle.java:560)
> at
> com.sun.enterprise.v3.server.ApplicationLifecycle.start(ApplicationLifecycle.java:547)
> at
> com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:189)
> at
> org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:329)
> at
> com.sun.enterprise.v3.admin.CommandRunner$2.execute(CommandRunner.java:302)
> at
> com.sun.enterprise.v3.admin.CommandRunner.doCommand(CommandRunner.java:312)
> at
> com.sun.enterprise.v3.admin.CommandRunner.doCommand(CommandRunner.java:119)
> at
> com.sun.enterprise.v3.admin.CommandRunner.doCommand(CommandRunner.java:99)
> at
> com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:250)
> at
> com.sun.enterprise.v3.admin.AdminAdapter.service(AdminAdapter.java:176)
> at
> com.sun.grizzly.tcp.http11.GrizzlyAdapter.service(GrizzlyAdapter.java:147)
> at
> com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:180)
> at
> com.sun.grizzly.http.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:633)
> at
> com.sun.grizzly.http.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:570)
> at
> com.sun.grizzly.http.DefaultProcessorTask.process(DefaultProcessorTask.java:827)
> at
> com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:152)
> at
> com.sun.enterprise.v3.services.impl.GlassfishProtocolChain.executeProtocolFilter(GlassfishProtocolChain.java:71)
> at
> com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:103)
> at
> com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:89)
> at
> com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76)
> at
> com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:67)
> at
> com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:56)
> at
> com.sun.grizzly.util.WorkerThreadImpl.processTask(WorkerThreadImpl.java:325)
> at
> com.sun.grizzly.util.WorkerThreadImpl.run(WorkerThreadImpl.java:184)
> SEVERE: PWC1306: Startup of context /MyHelloWeb failed due to previous
> errors
>
> Am I missing any step ??
>
> Thanks,
>
>
> --
> Dhwani Patel
>
> >
--
Dhwani Patel
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