jGuru maintains FAQs and Forums on Servlets, JSP, and Tomcat (as well as
many other Java topics).  Here is an automated update on recent postings to
Tomcat-related FAQs.  Please direct flames and feedback to [EMAIL PROTECTED] .

 - Alex

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++ JavaServer Pages (JSP) FAQ: http://www.jguru.com/faq/JSP

How can I use a JSP as an Apache ErrorDocument -- so Apache will display <b>its</b> 
errors using my JSP?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=458488

How do I implement a hit counter in Servlets or JSP?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=456418

Why do I get "java.lang.NoClassDefFoundError: sun/tools/javac/Main" ?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455768

While forwarding from one page to another by using RequestDispatcher, how do I avoid 
the error &quot; OutputStream is already being used for this request&quot; ?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455248

What is Ant? Do I need it to run Tomcat?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455192

++ Servlets FAQ: http://www.jguru.com/faq/Servlets

How can I automatically invoke a servlet at regular time intervals using Resin?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=458416

How do I trap a 404 error inside my servlet if my servlet does a 
<tt>RequestDispatcher</tt> to a non-existent page ?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=457102

How do I implement a hit counter in Servlets or JSP?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=456418

Why do I get "java.lang.NoClassDefFoundError: sun/tools/javac/Main" ?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455768

Is there a way in Tomcat to set up zones for servlets like in jserv?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455766

What is the difference between ServletContext.getInitParameter() and 
HttpServlet.getInitParameter() ?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455711

How do I prevent users from viewing the contents of my WEB-INF directory?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455249

While forwarding from one page to another by using RequestDispatcher, how do I avoid 
the error &quot; OutputStream is already being used for this request&quot; ?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455248

How to allow the client to download and execute a .bat file?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455219

Can I spawn a background thread from my servlet?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455215

How can I generate an output in CSV format from a database query?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455207

What is a session and why is it required?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455205

How to allow the client to download and execute a .bat or .exe file?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455202

Why do I sometimes get the error "ODBC Driver Manager ...function Sequence Error"?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455201

How do I process FDF files created by the Acrobat Forms plug-in?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455199

++ Tomcat FAQ: http://www.jguru.com/faq/Tomcat

How can I use a JSP as an Apache ErrorDocument -- so Apache will display <b>its</b> 
errors using my JSP?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=458488

Why do I get "java.lang.NoClassDefFoundError: sun/tools/javac/Main" ?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455768

Is there a way in Tomcat to set up zones for servlets like in jserv?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455766

How do I upgrade from Tomcat 3 to Tomcat 4?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455735

Do I need to create my own web.xml file?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455725

What is the right way to set the JAVA_HOME environment variable on Windows NT?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455718

How do you pass options such as -Xrs to the JVM when your Tomcat container is running 
in-process within a Web server?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455716

If I deploy a WAR file while Tomcat is running,
is there a way to load (or reload) it without restarting Tomcat?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455587

Using Struts 1.0, why do I get the error "cant remove Attributes from request scope"?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455577

Can Tomcat be started as a user other than root under Unix?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455567

Is there any way to avoid servlet.log being deleted on restart of tomcat?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455369

When reloading a servlet that uses JNI, why do I get 
"java.lang.UnsatisfiedLinkError: Native Library D:\WINNT\mynamesearch.dll already 
loaded in another classloader"
?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455360

What is the password for the Tomcat admin webapp?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455354

How do I prevent users from viewing the contents of my WEB-INF directory?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455249

What is Ant? Do I need it to run Tomcat?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455192

How do I stop all running instances of Tomcat?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455189

How do I upgrade from Tomcat 3.2.1 to 3.2.2?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455188

&quot;java.lang.IllegalStateException: Can't happen - classname is null, who added 
this?&quot; How can i avoid this error?
        http://www.jguru.com/misc/faqtrampoline.jsp?src=notify&EID=455179


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