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June:
Here's a url which may answer some of your questions and also give a
really nice overview:
http://www.onjava.com/pub/a/onjava/2001/04/19/tomcat.html
Regards,
Geeta
June wrote:
Hi,I
looked at the web.xml file...and I did not feel confident about where to
put the code you said...maybe at the beginning where I can see some other
similar codes? And, I have a question, do I have to update this web.xml
file whenever I put servlet classes in a package? Say, if I create
another servlet file called Xyz in a package called abc, then I will have
to update this web.xml file again with <servlet-class>abc.xyz</servlet-class>
statement? Thanks, June
----- Original Message -----
Sent: Wednesday, August
08, 2001 10:03 PM
Subject: Re: running servlet
in package
Hi,
in place of : <servlet-class>test.<yourServletName></servlet-class>
put
<servlet-class>test.<yourServletClassName></servlet-class>
instead.
Sorry for that!
See you
"Goulas, Theodor" wrote:
Hello,
first make sure that your code (class file ) is placed in a folder called
test.
Add the file to your classpath.
Then check your web.xml file.
You have to include in your <servlet-class>test.<yourServletName></servlet-class>
and you have to reference to your servlet by the alias name you gave it
to it. That is the name in the following tag: <servlet-name>yourServletName
</servlet-name>
Then to call your servlet you have to call it this way:
http://localhost:8080/contextPath/servlet/yourServletName
Hope this help!
See you!
June wrote:
I am reading Core
Servlets and JSP and trying to run a servlet in a package. I have
put "package test; " in the source code and compiled it in the dos using
javac -d c:\jakarta\webapps\root\web-inf\classes HelloWorld.java with no
problem. After running that command, I have this class file in the
c:\jakarta\webapps\root\web-inf\classes\test. However, when I type
"localhost/servlet/test.HelloWorld" in the explorer, I get the following
error. Internal Servlet Error:java.lang.NullPointerException
at java.lang.ClassLoader.resolveClass0(Native Method)
at java.lang.ClassLoader.resolveClass(ClassLoader.java:588)
at org.apache.tomcat.loader.AdaptiveClassLoader.loadClass(AdaptiveClassLoader.java:430)
at org.apache.tomcat.loader.AdaptiveServletLoader.loadClass(AdaptiveServletLoader.java:174)
at org.apache.tomcat.core.ServletWrapper.loadServlet(ServletWrapper.java:265)
at org.apache.tomcat.core.ServletWrapper.init(ServletWrapper.java:289)
at org.apache.tomcat.core.Handler.service(Handler.java:254)
at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:797)
at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
at org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection(Ajp12ConnectionHandler.java:166)
at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:501)
at java.lang.Thread.run(Thread.java:484)Please
tell me what I am doing wrong. The Apache server and the tomcat are
running just fine, because I can run this servlet(without the package statement)
by typing localhost/servlet/HelloWorld with no problem.
Cheers, June
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