There are two problems:
1. missing the import statement:
import javax.servlet.ServletContext;
2. it should be sce.getServletContext, not evt.getServletContext
Additional, you need to remove the "throw new
UnsupportedOperationException("Not supported yet.");", otherwise you will
have error at run time.
On Thu, Oct 15, 2009 at 11:27 AM, diego rangel <ingsopor...@hotmail.com>wrote:
> hello friend:
>
> look at this,this is the myowneventlistener file:
>
> package mypackage;
>
> import javax.servlet.ServletContextEvent;
> import javax.servlet.ServletContextListener;
> import javax.servlet.ServletRequestEvent;
> import javax.servlet.ServletRequestListener;
> import javax.servlet.http.HttpSessionEvent;
> import javax.servlet.http.HttpSessionListener;
> /**
> * Web application lifecycle listener.
> * @author diego rangel
> */
> public class MyOwnEventListener implements ServletContextListener,
> HttpSessionListener, ServletRequestListener {
> ServletContext servletContext;
>
> public void contextInitialized(ServletContextEvent sce) {
> throw new UnsupportedOperationException("Not supported yet.");
> servletContext = evt.getServletContext();
> servletContext.log("contextInitialized() method is invoked");
> }
> public void contextDestroyed(ServletContextEvent sce) {
> throw new UnsupportedOperationException("Not supported yet.");
>
> servletContext.log("contextDestroyed() method is invoked");
> }
>
> public void sessionCreated(HttpSessionEvent se) {
> throw new UnsupportedOperationException("Not supported yet.");
> servletContext.log("sessionCreated() method is invoked");
> }
>
> public void sessionDestroyed(HttpSessionEvent se) {
> throw new UnsupportedOperationException("Not supported yet.");
> servletContext.log("sessionDestroyed() method is invoked");
> }
> public void requestDestroyed(ServletRequestEvent sre) {
> throw new UnsupportedOperationException("Not supported yet.");
>
> servletContext.log("requestInitialized() method is invoked");
> }
>
> public void requestInitialized(ServletRequestEvent sre) {
> throw new UnsupportedOperationException("Not supported yet.");
> servletContext.log("requestDestroyed() method is invoked");
> }
> }
>
>
>
> i run tthe file and this is the error:
>
> Compiling 2 source files to C:\Documents and Settings\diego rangel\Mis
> documentos\NetBeansProjects\hello2\build\web\WEB-INF\classes
> C:\Documents and Settings\diego rangel\Mis
> documentos\NetBeansProjects\hello2\src\java\mypackage\MyOwnEventListener.java:18:
> cannot find symbol
> symbol : class ServletContext
> location: class mypackage.MyOwnEventListener
> ServletContext servletContext;
> C:\Documents and Settings\diego rangel\Mis
> documentos\NetBeansProjects\hello2\src\java\mypackage\MyOwnEventListener.java:22:
> cannot find symbol
> symbol : variable evt
> location: class mypackage.MyOwnEventListener
> servletContext = evt.getServletContext();
> 2 errors
> C:\Documents and Settings\diego rangel\Mis
> documentos\NetBeansProjects\hello2\nbproject\build-impl.xml:401: The
> following error occurred while executing this line:
> C:\Documents and Settings\diego rangel\Mis
> documentos\NetBeansProjects\hello2\nbproject\build-impl.xml:224: Compile
> failed; see the compiler error output for details.
> BUILD FAILED (total time: 2 seconds)
>
>
>
> ----------------------------------------------------------------------
> > Date: Wed, 14 Oct 2009 09:13:51 -0700
> > Subject: [java ee programming] Re: lab 4005
> > From: hieulu...@gmail.com
> > To: java-ee-j2ee-programming-with-passion@googlegroups.com
>
> >
> >
> > Could you provide the content of the file: C:\Documents and Settings
> > \diego rangel\Mis documentos\NetBeansProjects\hello2\src\java
> > \MyOwnEventListener.java?
> >
> > On Oct 13, 2:05 pm, diego rangel <ingsopor...@hotmail.com> wrote:
> > > apreciated friends:
> > >
> > > i have the following error when i go the exercise that coresponds to
> the cicle life handlers an i run the myowneventlistener.java:(it correponds
> to the lab4005):
> > >
> > > C:\Documents and Settings\diego rangel\Mis
> documentos\NetBeansProjects\hello2\src\java\MyOwnEventListener.java:23:
> cannot find symbol
> > > symbol : variable servletContext
> > > location: class MyOwnEventListener
> > > servletContext = evt.getServletContext();
> > > C:\Documents and Settings\diego rangel\Mis
> documentos\NetBeansProjects\hello2\src\java\MyOwnEventListener.java:23:
> cannot find symbol
> > > symbol : variable evt
> > > location: class MyOwnEventListener
> > > servletContext = evt.getServletContext();
> > > C:\Documents and Settings\diego rangel\Mis
> documentos\NetBeansProjects\hello2\src\java\MyOwnEventListener.java:24:
> cannot find symbol
> > > symbol : variable servletContext
> > > location: class MyOwnEventListener
> > > servletContext.log("contextInitialized() method is invoked");
> > > C:\Documents and Settings\diego rangel\Mis
> documentos\NetBeansProjects\hello2\src\java\MyOwnEventListener.java:30:
> cannot find symbol
> > > symbol : variable servletContext
> > > location: class MyOwnEventListener
> > > servletContext.log("contextDestroyed() method is invoked");
> > > C:\Documents and Settings\diego rangel\Mis
> documentos\NetBeansProjects\hello2\src\java\MyOwnEventListener.java:36:
> cannot find symbol
> > > symbol : variable servletContext
> > > location: class MyOwnEventListener
> > > servletContext.log("sessionCreated() method is invoked");
> > > C:\Documents and Settings\diego rangel\Mis
> documentos\NetBeansProjects\hello2\src\java\MyOwnEventListener.java:43:
> cannot find symbol
> > > symbol : variable servletContext
> > > location: class MyOwnEventListener
> > > servletContext.log("sessionDestroyed() method is invoked");
> > > C:\Documents and Settings\diego rangel\Mis
> documentos\NetBeansProjects\hello2\src\java\MyOwnEventListener.java:50:
> cannot find symbol
> > > symbol : variable servletContext
> > > location: class MyOwnEventListener
> > > servletContext.log("requestDestroyed() method is invoked");
> > > C:\Documents and Settings\diego rangel\Mis
> documentos\NetBeansProjects\hello2\src\java\MyOwnEventListener.java:56:
> cannot find symbol
> > > symbol : variable servletContext
> > > location: class MyOwnEventListener
> > > servletContext.log("requestInitialized() method is invoked");
> > > 8 errors
> > > C:\Documents and Settings\diego rangel\Mis
> documentos\NetBeansProjects\hello2\nbproject\build-impl.xml:401: The
> following error occurred while executing this line:
> > > C:\Documents and Settings\diego rangel\Mis
> documentos\NetBeansProjects\hello2\nbproject\build-impl.xml:224: Compile
> failed; see the compiler error output for details.
> > > BUILD FAILED (total time: 5 seconds)
> > >
> > > In the editor file apears the following :
> > >
> > > servletContext.log("requestInitialized() method is invoked");
> > >
> > > servletContext is simbol not find
> > >
> > > any help that do you give me
> > > thanks
> > >
> > > _________________________________________________________________
> >
> > > >
>
> ------------------------------
>
--
-Hieu
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