Have you taken a look at the global web.xml file? It's located in $CATALINA_BASE/conf and contains some default mappings. One of those I believe takes care of finding HelloWorldExample.class for the examples context. At any rate you might find it an interesting read as these settings are available to all the apps.
--David On Monday 26 November 2001 01:02 pm, you wrote: > The examples you mentioned are the JSPs examples. I realize JSPs compile to > servlets, but what about the straight up HelloWorldExample servlet? I > didn't see mapping for that or the other servlet (vs. JSP) examples in the > web.xml. Being a newbie, I could very well be missing something so please > bear with me (again). > > BTW - I've fiddled with the example servlet index.html to use FORM vs. > "href=../servlet/abc" method of running servlets. POST always results in a > 404. GET does however work. > > Example: > > <FORM ACTION="../servlet/HelloWorldExample" method="POST"> - doen't > work <FORM ACTION="../servlet/HelloWorldExample" method="GET"> - works. > > Mark > > At 09:30 AM 11/26/2001 -0800, you wrote: > >Okay, Mark, Part II, I want to make sure we are communicating properly > >before going further. No sense wasting time. Your note is not correct > >about at least somethings -- for example (no pun intended): > > > >The web.xml for examples/WEB-INF/web.xml DOES have servlet mappings. So, > > I am not sure what you are looking at. The servlet SnoopServlet has the > > mappings to the patterns /snoop and *.snp under the name "snoop". The > > servlet servletToJsp which has the same name, i.e. "servletToJsp," has a > > mapping to the pattern /servletToJsp. > > > >Micael > > > > > >-----Original Message----- > > From: Mark <[EMAIL PROTECTED]> > > >To: Tomcat Users List <[EMAIL PROTECTED]> > >Date: Monday, November 26, 2001 7:00 AM > >Subject: Re: TC 4.0 newbie - servlet app won't run > > > >>Thanks for your reply Scott, and thanks to your and Micael's responses I > >>_believe_ I understand the relationship between the servlet > >> naming/mapping and the associated html. As Micael noted, one could put > >> "pudding" in the url-pattern as long as the html was setup as > >> ACTION="pudding". But... how do the example servlets work when they > >> don't seem to have any servlet mapping in the > >> ..\examples\WEB-INF\web.xml? > >> > >>Even after all the advice, I *STILL* can't get my app to run - I still > >> get a 404 error on the servlet. This seems like such a simple issue but > >> I can NOT get past it. I've even gone as far as downloading Tomcat 3.3, > >> with the same result. Again, I know Tomcat is parsing my web.xml, > >> because if I intentionally make a typo, the parser complains when Tomcat > >> is started. > >> > >>To recap where I am: > >> > >>(a) I have myservlet.class in the > >>$CATALINA_HOME\webapps\myapp\WEB-INF\classes > >> directory. The servlet has no associated package. > >>(b) The html is <FORM ACTION="/servlet/myservlet" method="POST"> > >>(c) My $CATALINA_HOME\webapps\myapp\WEB-INF\web.xml is as follows: > >> > >> <?xml version="1.0" encoding="ISO-8859-1"?> > >> > >> <!DOCTYPE web-app > >> PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" > >> "http://java.sun.com/dtd/web-app_2_3.dtd";> > >> > >> <web-app> > >> <servlet> > >> <servlet-name>myservlet</servlet-name> > >> <servlet-class>myservlet</servlet-class> > >> </servlet> > >> <servlet-mapping> > >> <servlet-name>myservlet</servlet-name> > >> <url-pattern>/servlet/myservlet</url-pattern> > >> </servlet-mapping> > >> </web-app> > >> > >> > >>Am I still missing something? This is driving me berserk... > >> > >>TIA. Mark. > >> > >>At 12:22 AM 11/22/2001 -0500, you wrote: > >>>Mark, > >>> > >>>The servlet tag is used to assign a name to a particular servlet class > >>>file. > >>> > >>> <servlet> > >>> <servlet-name>myservlet</servlet-name> > >>> <servlet-class>myservlet</servlet-class> > >>> </servlet> > >>> > >>>This would attempt to assign the name 'myservlet' to the class > >>>'myservlet.class.' > >>> > >>>The servlet-mapping tag defines the pattern or 'location' of a named > >>>servlet from the root of your context. This means that .... > >>> > >>><servlet-mapping> > >>> <servlet-name>myservlet</servlet-name> > >>> <url-pattern>/classes</url-pattern> > >>> </servlet-mapping> > >>> > >>>if this were the ROOT context, this would map your servlet at /classes > >>>and your form action would need to be defined as > >>> > >>><FORM ACTION="/classes" method="POST"> > >>> > >>>A more common mapping for servlets is > >>> > >>><servlet-mapping> > >>> <servlet-name>myservlet</servlet-name> > >>> <url-pattern>/servlet/myservlet</url-pattern> > >>> </servlet-mapping> > >>> > >>>which would have a coresponding form tag of > >>> > >>><FORM ACTION="/servlet/myservlet" method="POST"> > >>> > >>> > >>>~Scott > >>> > >>>Mark wrote: > >>>>I installed Tomcat 4.0.1 under Win 2k using JDK 1.3 and able to run the > >>>>example servlets, but not my own. My html displays and I can execute > >>>> my JSPs, but a POST to a servlet does not work (this app has run under > >>>> Forte and VA Java in the past). I get a 404 error with "the > >>>> requested > > > >resource > > > >>>>(/myservlet) is not available". Since the examples work, I have to > >>>> assume it's something in my configuration. Any help figuring out why > >>>> the servlet won't run would be *greatly* appreciated. I suspect it's > >>>> something simple/braindead on my part. > >>>> > >>>> > >>>>o My directory structure for the app: > >>>> TomcatHome > >>>> > >>>> +--webapps > >>>> > >>>> +--myapp\.jsp, .html .gif > >>>> > >>>> +--WEB-INF\web.xml > >>>> > >>>> +--classes\.class files > >>>> > >>>> > >>>>o My html POST stmt. I've tried various path prefixes to myservlet, eg > >>>> > >>>> "classes/myservlet". As with the Tomcat examples, this servlet has > >>>> no package: > >>>> > >>>> <FORM ACTION="/myservlet" method="POST"> > >>>> > >>>> > >>>>o My web.xml - I know Tomcat's seeing/parsing this because if I > >> > >>deliberately > >> > >>>> make a typo I get an error upon startup: > >>>> > >>>> <?xml version="1.0" encoding="ISO-8859-1"?> > >>>> <!DOCTYPE web-app > >>>> PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" > >>>> "http://java.sun.com/dtd/web-app_2_3.dtd";> > >>>> <web-app> > >>>> <!-- Define servlets that are included in the application --> > >>>> <servlet> > >>>> <servlet-name>myservlet</servlet-name> > >>>> <servlet-class>myservlet</servlet-class> > >>>> </servlet> > >>>> <servlet-mapping> > >>>> <servlet-name>myservlet</servlet-name> > >>>> <url-pattern>/classes</url-pattern> > >>>> </servlet-mapping> > >>>> </web-app> > >>>> > >>>> > >>>>o Update to server.xml > >>>> > >>>> <Context path="/myapp" docBase="myapp" debug="0"> > >>>> <Logger className="org.apache.catalina.logger.FileLogger" > >>>> prefix="myapp_log." suffix=".txt" > >>>> timestamp="true"/> > >>>> </Context> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>>-- > >>>>To unsubscribe: <mailto:[EMAIL PROTECTED]> > >>>>For additional commands: <mailto:[EMAIL PROTECTED]> > >>>>Troubles with the list: <mailto:[EMAIL PROTECTED]> > >>> > >>>-- > >>>To unsubscribe: <mailto:[EMAIL PROTECTED]> > >>>For additional commands: <mailto:[EMAIL PROTECTED]> > >>>Troubles with the list: <mailto:[EMAIL PROTECTED]> > >> > >>-- > >>To unsubscribe: <mailto:[EMAIL PROTECTED]> > >>For additional commands: <mailto:[EMAIL PROTECTED]> > >>Troubles with the list: <mailto:[EMAIL PROTECTED]> > > > >-- > >To unsubscribe: <mailto:[EMAIL PROTECTED]> > >For additional commands: <mailto:[EMAIL PROTECTED]> > >Troubles with the list: <mailto:[EMAIL PROTECTED]> > > -- > To unsubscribe: <mailto:[EMAIL PROTECTED]> > For additional commands: <mailto:[EMAIL PROTECTED]> > Troubles with the list: <mailto:[EMAIL PROTECTED]> -- To unsubscribe: <mailto:[EMAIL PROTECTED]> For additional commands: <mailto:[EMAIL PROTECTED]> Troubles with the list: <mailto:[EMAIL PROTECTED]>
