I know it sounds stupid but sometimes it is a simple thing that blocks all:
When I had troubles like the one you describe I usually got it fixed
stopping tomcat, deleting the work directory (${tomcat-home}/work and
deleting the directory that contains the unpacked war-file (for you
${tomcat-home}/webapps/Census). Then restart Tomcat. This way you are sure
to have the actual version of your servlet and no older cached files used.
Besides this I have entries like this in my web.xml to access my servlets.
------------------
<servlet>
<servlet-name>my-servlet</servlet-name>
<servlet-class>my.package.MyServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>my-servlet</servlet-name>
<url-pattern>my-servlet.exe</url-pattern>
</servlet-mapping>
-------------------
which allows me to access the servlet with the url
http://localhost/my-application/my-servlet.exe (but this is not very
different from your web.xml).
Hope that helps. Good luck
Peter
> ----- Original Message -----
> From: "Wagoner, Mark" <[EMAIL PROTECTED]>
> Subject: RE: Urgent Re: Newbie: Servlet under Windows does not run
>> What URL are you using to get to the servlet?
> I have tried a very wide range of URLs. According to all of the
> documentation the one that should work is
> http://localhost/servlet/Census.CensusQuery That is using the class name.
> However when that failed I also tried /servlet/Census/CensusQuery,
> and /servlet/CensusQuery. Since in my web.xml file, which I posted
> earlier, the name of the servlet, as opposed to the class, was Census1901
> I
> also tried /servlet/Census1901. I have also tried using URL mapping
> specified in the
> WEB-INF/web.xml file. In any event the bottom lime is that when I request
> the above URL TomCat does go looking for my class. It just can't seem to
> find it!
> I know that I must be doing something wrong, because nobody else seems to
> be
> having any difficulty running servlets, but this is driving me crazy. I
> have been trying everything I can think of for more than a week and
> TomCat
> keeps claiming that it can't find the class. I have read the
> documentation
> over and over again. I have gone with a fine tooth comb through the
> examples trying to see what they are doing that is different from what I
> am
> doing. I just don't understand why this is so bloody difficulty.
> Just to put every bit of the documentation of this problem in one place:
> The first few lines of my servlet are:
> package Census;
> import java.io.*;
> import javax.servlet.*;
> import javax.servlet.http.*;
> import java.sql.*;
> public class CensusQuery extends HttpServlet {
> which I compile using the following .bat file:
> set PATH=C:\jdk1.3.1\bin;%PATH%
> set
> CP=D:\jakarta-tomcat-3.3a\lib\common\servlet.jar;WEB-INF\classes;%CLASSPAT
> H%
> javac -d WEB-INF/classes -classpath %CP% ConnectionPool.java | more
> javac -d WEB-INF/classes -classpath %CP% DBResults.java | more
> javac -d WEB-INF/classes -classpath %CP% DriverUtilities.java | more
> javac -d WEB-INF/classes -classpath %CP% DatabaseUtilities.java | more
> javac -d WEB-INF/classes -classpath %CP% ServletUtilities.java | more
> javac -d WEB-INF/classes -classpath %CP% CensusQuery.java | more
> jar cf Census.war *.html WEB-INF
> The .war file this produces contains:
> D:\MyPrograms\JavaProgs\CensusServlet>jar -tf Census.war
> META-INF/
> META-INF/MANIFEST.MF
> CensusQuery.html
> WEB-INF/
> WEB-INF/classes/
> WEB-INF/classes/Census/
> WEB-INF/classes/Census/ConnectionPool.class
> WEB-INF/classes/Census/DBResults.class
> WEB-INF/classes/Census/DriverUtilities.class
> WEB-INF/classes/Census/DatabaseUtilities.class
> WEB-INF/classes/Census/ServletUtilities.class
> WEB-INF/classes/Census/CensusQuery.class
> WEB-INF/web.xml
> The web.xml file is:
> <?xml version="1.0" encoding="ISO-8859-1"?>
> <!DOCTYPE web-app
> PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
> "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd";>
> <web-app>
> <display-name>My Web Application</display-name>
> <description>
> This is version X.X of an application to perform
> a wild and wonderful task, based on servlets and
> JSP pages. It was written by Dave Developer
> ([EMAIL PROTECTED]), who should be contacted for
> more information.
> </description>
> <servlet>
> <servlet-name>
> Census1901
> </servlet-name>
> <servlet-class>
> Census.CensusQuery
> </servlet-class>
> <init-param>
> <param-name>DbVendor</param-name>
> <param-value>mysql</param-value>
> </init-param>
> <init-param>
> <param-name>Url</param-name>
> <param-value>localhost</param-value>
> </init-param>
> <init-param>
> <param-name>DbName</param-name>
> <param-value>Census</param-value>
> </init-param>
> <init-param>
> <param-name>UserName</param-name>
> <param-value>anonymous</param-value>
> </init-param>
> <init-param>
> <param-name>Password</param-name>
> <param-value>none</param-value>
> </init-param>
> <init-param>
> <param-name>InitConnections</param-name>
> <param-value>10</param-value>
> </init-param>
> <init-param>
> <param-name>MaxConnections</param-name>
> <param-value>10</param-value>
> </init-param>
> </servlet>
> <!--
> <servlet-mapping>
> <servlet-name>
> Census1901
> </servlet-name>
> <url-pattern>
> /Census
> </url-pattern>
> </servlet-mapping>
> -->
> </web-app>
> and the relevant lines of the log file under TomCat 4.0.3 are:
> 2002-03-17 14:52:33 StandardHost[localhost]: Installing web application at
> context path /Census from URL
> jar:file:D:\jakarta-tomcat-4.0.3\webapps\Census.war!/
> 2002-03-17 14:52:34 WebappLoader[/Census]: Deploying class repositories to
> work directory D:\jakarta-tomcat-4.0.3\work\localhost\Census
> 2002-03-17 14:52:34 StandardManager[/Census]: Seeding random number
> generator class java.security.SecureRandom
> 2002-03-17 14:52:34 StandardManager[/Census]: Seeding of random number
> generator has been completed
> 2002-03-17 14:52:34 StandardWrapper[/Census:default]: Loading container
> servlet default
> 2002-03-17 14:52:34 default: init
> 2002-03-17 14:52:34 StandardWrapper[/Census:invoker]: Loading container
> servlet invoker
> 2002-03-17 14:52:34 invoker: init
> 2002-03-17 14:52:34 jsp: init
> 2002-03-17 14:52:55
> StandardWrapper[:org.apache.catalina.INVOKER.Census.CensusQuery]: Marking
> servlet org.apache.catalina.INVOKER.Census.CensusQuery as unavailable
> 2002-03-17 14:52:55 invoker: Cannot allocate servlet instance for path
> /servlet/Census.CensusQuery
> javax.servlet.ServletException: Wrapper cannot find servlet class
> Census.CensusQuery or a class it depends on
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