Thanks for the quick reply...
Create a servlet that takes a long time to process, so you can easily observe the connections. Then make sure you make two concurrent requests to that servlet, and that the servlet's HTML output doesn't contain images, CSS references, or any other entities which would cause a separate HTTP connection to be initiated by the browser for that one page. This type of page is the most common cause for perceived problems with concurrent request processing.
I wasn't working with any images, etc. - reduced quickly to KISS level
configs & testing as a consequence of more than a couple of decades
worth of battle scars ;-)
Simple servlet, doGet implementation, simple HTML out, 30 second sleep.
Built several variants, different only in class name. Manual deployment,
no WAR file, a set of servlet classes in several different contexts.
Servlets HelloWait, HelloWait2, HelloWait3, etc. Contexts cctest1,
cctest2, etc.
Used a multi-tabbed browser (Mozilla) to test, though behavior the same
with separate browsers on multiple clients (enlisted the aid of several
of my cohorts). Also used lovely little multi-threaded Java HTTP test
client gadget to slam in requests from multiple clients concurrently.
First observation:
Behavior in general indicates number of concurrent requests serviced
equal to maxProcessors - 1 (not maxProcessers-minProcessors as I
suggested in earlier email).
Second observation:
This one really threw me. Independent of maxProcessors value, multiple
concurrent requests to the same servelet in the same context appear
to be handled serially - one at a time. Multiple concurrent requests,
each to a different servlet in the same context or a servlet in
another context appear to be handled concurrently, subject to my
first observation.
I was ready to buy the maxProcessers-1 thing as a simple implementation
oversight - not surprising since most use Tomcat for much higher volume
stuff. Second observation suggests something really strange with 4.1.29
(most of our earlier testing experimentation was with 4.1.27) or I have
made a really toady configuration error.
I have attached 2 representative servlet source samples - pretty
trivial, server.xml, default web.xml (renamed as web_default.xml) and
example context web.xml for servlets. Would have zipped but found
that not permitted for list mail. Maybe something in these I'm doing
wrong?
Tomcat running (for test execution) on an HP dual proc (Intel PIII 1.133
GHz) platform running Linux - RedHat 7.1 - little or no extraneous load
during the testing.
Any insight might have would be well appreciated.
Regards,
-Jim-
/* * HelloWait.java */
import java.io.*;
import java.net.*;
import java.util.Date;
import java.text.DateFormat;
import javax.servlet.*;
import javax.servlet.http.*;
/**
* Servlet used to test concurrent connections. Waits for 30 seconds
* before returning from doGet method.
* <p>
* @author LayerJB
*/
public class HelloWait extends HttpServlet
{
/**
* Process the HTTP GET request.
* <p>
* @param req An HttpServletRequest object that contains the
* request the client has made of the servlet.
* @param res An HttpServletResponse object that contains the
* response the servlet sends to the object.
* <p>
* @exception ServletException Thrown if the request for the
*
GET could not be handled.
* @exception IOException Thrown if an input or
output
*
error is detected when the servlet
*
handles the request.
*/
public void doGet (HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException
{
DateFormat dateFormat = DateFormat.getDateTimeInstance();
String sStart = dateFormat.format(new Date());
res.setContentType("text/html");
ServletOutputStream out = res.getOutputStream();
out.println("<html><body><h3>HelloWait</h3>");
out.println("<p>doGet start: " + sStart +
"<br>We're waiting 30 seconds...</p>");
out.flush();
try
{
Thread.sleep(30000);
}
catch (InterruptedException ignore) {};
out.println("<p>Done Waiting: " +
dateFormat.format(new Date()) +
"</p></body></html>");
out.close();
}
}
/*
* HelloWait2.java
*/
import java.io.*;
import java.net.*;
import java.util.Date;
import java.text.DateFormat;
import javax.servlet.*;
import javax.servlet.http.*;
/**
* Servlet used to test concurrent connections. Waits for 30 seconds
* before returning from doGet method.
* <p>
* @author LayerJB
*/
public class HelloWait2 extends HttpServlet
{
/**
* Process the HTTP GET request.
* <p>
* @param req An HttpServletRequest object that contains the
* request the client has made of the servlet.
* @param res An HttpServletResponse object that contains the
* response the servlet sends to the object.
* <p>
* @exception ServletException Thrown if the request for the
*
GET could not be handled.
* @exception IOException Thrown if an input or
output
*
error is detected when the servlet
*
handles the request.
*/
public void doGet (HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException
{
DateFormat dateFormat = DateFormat.getDateTimeInstance();
String sStart = dateFormat.format(new Date());
res.setContentType("text/html");
ServletOutputStream out = res.getOutputStream();
out.println("<html><body><h3>HelloWait2</h3>");
out.println("<p>doGet start: " + sStart +
"<br>We're waiting 30 seconds...</p>");
out.flush();
try
{
Thread.sleep(30000);
}
catch (InterruptedException ignore) {};
out.println("<p>Done Waiting: " +
dateFormat.format(new Date()) +
"</p></body></html>");
out.close();
}
}
<!-- Tomcat V4.1.29 Server Configuration File -->
<Server port="8005" shutdown="SHUTDOWN" debug="0">
<Listener
className="org.apache.catalina.mbeans.ServerLifecycleListener"
debug="0"/>
<Listener
className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"
debug="0"/>
<Service name="Tomcat-Standalone">
<Connector port="8100"
className="org.apache.coyote.tomcat4.CoyoteConnector"
connectionTimeout="120000"
enableLookups="false" disableUploadTimeout="false"
acceptCount="10"
maxProcessors="3" minProcessors="1"
debug="0" />
<Engine name="StandaloneEngine" defaultHost="localhost"
debug="0">
<Logger className="org.apache.catalina.logger.FileLogger"
verbosity="2"
directory="/us1/system/weblogs" prefix="tomcat_engine."
suffix=".log" timestamp="true"/>
<Host name="localhost" debug="0" appBase="webapps"
autoDeploy="false" liveDeploy="false" deployXML="false"
unpackWARs="false">
<Valve className="org.apache.catalina.valves.AccessLogValve"
directory="/us1/system/weblogs" prefix="tomcat_access."
suffix=".log" pattern="common" resolveHosts="false"/>
<Logger className="org.apache.catalina.logger.FileLogger"
verbosity="2"
directory="/us1/system/weblogs" prefix="tomcat_host."
suffix=".log" timestamp="true"/>
<Context path="" docBase="ROOT" debug="0"/>
<!--
Context Definition (Servlet): cctest2
-->
<Context path="/cctest2" docBase="cctest2"
cookies="false" crossContext="false" override="true"
privileged="false" reloadable="false" useNaming="false"
debug="0">
<Loader delegate="false"/>
<Logger className="org.apache.catalina.logger.FileLogger"
verbosity="2"
directory="/us1/system/weblogs"
prefix="tomcat_cctest2."
suffix=".log" timestamp="true"/>
<Manager
className="org.apache.catalina.session.StandardManager"
pathname="" />
<Resources
className="org.apache.naming.resources.FileDirContext"
allowLinking="true" cached="false" />
</Context>
<!--
Context Definition (Servlet): cctest1
-->
<Context path="/cctest1" docBase="cctest1"
cookies="false" crossContext="false" override="true"
privileged="false" reloadable="false" useNaming="false"
debug="0">
<Loader delegate="false"/>
<Logger className="org.apache.catalina.logger.FileLogger"
verbosity="2"
directory="/us1/system/weblogs"
prefix="tomcat_cctest1."
suffix=".log" timestamp="true"/>
<Manager
className="org.apache.catalina.session.StandardManager"
pathname="" />
<Resources
className="org.apache.naming.resources.FileDirContext"
allowLinking="true" cached="false" />
</Context>
</Host>
</Engine>
</Service>
</Server>
<?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>
<!-- ======================== Introduction ============================== -->
<!-- This document defines default values for *all* web applications -->
<!-- loaded into this instance of Tomcat. As each application is -->
<!-- deployed, this file is processed, followed by the -->
<!-- "/WEB-INF/web.xml" deployment descriptor from your own -->
<!-- applications. -->
<!-- -->
<!-- WARNING: Do not configure application-specific resources here! -->
<!-- They should go in the "/WEB-INF/web.xml" file in your application. -->
<!-- ================== Built In Servlet Definitions ==================== -->
<!-- The default servlet for all web applications, that serves static -->
<!-- resources. It processes all requests that are not mapped to other -->
<!-- servlets with servlet mappings (defined either here or in your own -->
<!-- web.xml file. This servlet supports the following initialization -->
<!-- parameters (default values are in square brackets): -->
<!-- -->
<!-- debug Debugging detail level for messages logged -->
<!-- by this servlet. [0] -->
<!-- -->
<!-- input Input buffer size (in bytes) when reading -->
<!-- resources to be served. [2048] -->
<!-- -->
<!-- listings Should directory listings be produced if there -->
<!-- is no welcome file in this directory? [true] -->
<!-- -->
<!-- output Output buffer size (in bytes) when writing -->
<!-- resources to be served. [2048] -->
<!-- -->
<!-- readonly Is this context "read only", so HTTP -->
<!-- commands like PUT and DELETE are -->
<!-- rejected? [true] -->
<servlet>
<servlet-name>default</servlet-name>
<servlet-class>
org.apache.catalina.servlets.DefaultServlet
</servlet-class>
<init-param>
<param-name>debug</param-name>
<param-value>0</param-value>
</init-param>
<init-param>
<param-name>listings</param-name>
<param-value>false</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<!-- ================ Built In Servlet Mappings ========================= -->
<!-- The servlet mappings for the built in servlets defined above. Note -->
<!-- that, by default, the CGI and SSI servlets are *not* mapped. You -->
<!-- must uncomment these mappings (or add them to your application's own -->
<!-- web.xml deployment descriptor) to enable these services -->
<!-- The mapping for the default servlet -->
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- ==================== Default Session Configuration ================= -->
<!-- You can set the default session timeout (in minutes) for all newly -->
<!-- created sessions by modifying the value below. -->
<session-config>
<session-timeout>30</session-timeout>
</session-config>
<!-- ===================== Default MIME Type Mappings =================== -->
<!-- When serving static resources, Tomcat will automatically generate -->
<!-- a "Content-Type" header based on the resource's filename extension, -->
<!-- based on these mappings. Additional mappings can be added here (to -->
<!-- apply to all web applications), or in your own application's web.xml -->
<!-- deployment descriptor. -->
<mime-mapping>
<extension>abs</extension>
<mime-type>audio/x-mpeg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>ai</extension>
<mime-type>application/postscript</mime-type>
</mime-mapping>
<mime-mapping>
<extension>aif</extension>
<mime-type>audio/x-aiff</mime-type>
</mime-mapping>
<mime-mapping>
<extension>aifc</extension>
<mime-type>audio/x-aiff</mime-type>
</mime-mapping>
<mime-mapping>
<extension>aiff</extension>
<mime-type>audio/x-aiff</mime-type>
</mime-mapping>
<mime-mapping>
<extension>aim</extension>
<mime-type>application/x-aim</mime-type>
</mime-mapping>
<mime-mapping>
<extension>art</extension>
<mime-type>image/x-jg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>asf</extension>
<mime-type>video/x-ms-asf</mime-type>
</mime-mapping>
<mime-mapping>
<extension>asx</extension>
<mime-type>video/x-ms-asf</mime-type>
</mime-mapping>
<mime-mapping>
<extension>au</extension>
<mime-type>audio/basic</mime-type>
</mime-mapping>
<mime-mapping>
<extension>avi</extension>
<mime-type>video/x-msvideo</mime-type>
</mime-mapping>
<mime-mapping>
<extension>avx</extension>
<mime-type>video/x-rad-screenplay</mime-type>
</mime-mapping>
<mime-mapping>
<extension>bcpio</extension>
<mime-type>application/x-bcpio</mime-type>
</mime-mapping>
<mime-mapping>
<extension>bin</extension>
<mime-type>application/octet-stream</mime-type>
</mime-mapping>
<mime-mapping>
<extension>bmp</extension>
<mime-type>image/bmp</mime-type>
</mime-mapping>
<mime-mapping>
<extension>body</extension>
<mime-type>text/html</mime-type>
</mime-mapping>
<mime-mapping>
<extension>cdf</extension>
<mime-type>application/x-cdf</mime-type>
</mime-mapping>
<mime-mapping>
<extension>cer</extension>
<mime-type>application/x-x509-ca-cert</mime-type>
</mime-mapping>
<mime-mapping>
<extension>class</extension>
<mime-type>application/java</mime-type>
</mime-mapping>
<mime-mapping>
<extension>cpio</extension>
<mime-type>application/x-cpio</mime-type>
</mime-mapping>
<mime-mapping>
<extension>csh</extension>
<mime-type>application/x-csh</mime-type>
</mime-mapping>
<mime-mapping>
<extension>css</extension>
<mime-type>text/css</mime-type>
</mime-mapping>
<mime-mapping>
<extension>dib</extension>
<mime-type>image/bmp</mime-type>
</mime-mapping>
<mime-mapping>
<extension>doc</extension>
<mime-type>application/msword</mime-type>
</mime-mapping>
<mime-mapping>
<extension>dtd</extension>
<mime-type>text/plain</mime-type>
</mime-mapping>
<mime-mapping>
<extension>dv</extension>
<mime-type>video/x-dv</mime-type>
</mime-mapping>
<mime-mapping>
<extension>dvi</extension>
<mime-type>application/x-dvi</mime-type>
</mime-mapping>
<mime-mapping>
<extension>eps</extension>
<mime-type>application/postscript</mime-type>
</mime-mapping>
<mime-mapping>
<extension>etx</extension>
<mime-type>text/x-setext</mime-type>
</mime-mapping>
<mime-mapping>
<extension>exe</extension>
<mime-type>application/octet-stream</mime-type>
</mime-mapping>
<mime-mapping>
<extension>gif</extension>
<mime-type>image/gif</mime-type>
</mime-mapping>
<mime-mapping>
<extension>gtar</extension>
<mime-type>application/x-gtar</mime-type>
</mime-mapping>
<mime-mapping>
<extension>gz</extension>
<mime-type>application/x-gzip</mime-type>
</mime-mapping>
<mime-mapping>
<extension>hdf</extension>
<mime-type>application/x-hdf</mime-type>
</mime-mapping>
<mime-mapping>
<extension>hqx</extension>
<mime-type>application/mac-binhex40</mime-type>
</mime-mapping>
<mime-mapping>
<extension>htc</extension>
<mime-type>text/x-component</mime-type>
</mime-mapping>
<mime-mapping>
<extension>htm</extension>
<mime-type>text/html</mime-type>
</mime-mapping>
<mime-mapping>
<extension>html</extension>
<mime-type>text/html</mime-type>
</mime-mapping>
<mime-mapping>
<extension>hqx</extension>
<mime-type>application/mac-binhex40</mime-type>
</mime-mapping>
<mime-mapping>
<extension>ief</extension>
<mime-type>image/ief</mime-type>
</mime-mapping>
<mime-mapping>
<extension>jad</extension>
<mime-type>text/vnd.sun.j2me.app-descriptor</mime-type>
</mime-mapping>
<mime-mapping>
<extension>jar</extension>
<mime-type>application/java-archive</mime-type>
</mime-mapping>
<mime-mapping>
<extension>java</extension>
<mime-type>text/plain</mime-type>
</mime-mapping>
<mime-mapping>
<extension>jnlp</extension>
<mime-type>application/x-java-jnlp-file</mime-type>
</mime-mapping>
<mime-mapping>
<extension>jpe</extension>
<mime-type>image/jpeg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>jpeg</extension>
<mime-type>image/jpeg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>jpg</extension>
<mime-type>image/jpeg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>js</extension>
<mime-type>text/javascript</mime-type>
</mime-mapping>
<mime-mapping>
<extension>jsf</extension>
<mime-type>text/plain</mime-type>
</mime-mapping>
<mime-mapping>
<extension>jspf</extension>
<mime-type>text/plain</mime-type>
</mime-mapping>
<mime-mapping>
<extension>kar</extension>
<mime-type>audio/x-midi</mime-type>
</mime-mapping>
<mime-mapping>
<extension>latex</extension>
<mime-type>application/x-latex</mime-type>
</mime-mapping>
<mime-mapping>
<extension>m3u</extension>
<mime-type>audio/x-mpegurl</mime-type>
</mime-mapping>
<mime-mapping>
<extension>mac</extension>
<mime-type>image/x-macpaint</mime-type>
</mime-mapping>
<mime-mapping>
<extension>man</extension>
<mime-type>application/x-troff-man</mime-type>
</mime-mapping>
<mime-mapping>
<extension>me</extension>
<mime-type>application/x-troff-me</mime-type>
</mime-mapping>
<mime-mapping>
<extension>mid</extension>
<mime-type>audio/x-midi</mime-type>
</mime-mapping>
<mime-mapping>
<extension>midi</extension>
<mime-type>audio/x-midi</mime-type>
</mime-mapping>
<mime-mapping>
<extension>mif</extension>
<mime-type>application/x-mif</mime-type>
</mime-mapping>
<mime-mapping>
<extension>mov</extension>
<mime-type>video/quicktime</mime-type>
</mime-mapping>
<mime-mapping>
<extension>movie</extension>
<mime-type>video/x-sgi-movie</mime-type>
</mime-mapping>
<mime-mapping>
<extension>mp1</extension>
<mime-type>audio/x-mpeg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>mp2</extension>
<mime-type>audio/x-mpeg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>mp3</extension>
<mime-type>audio/x-mpeg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>mpa</extension>
<mime-type>audio/x-mpeg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>mpe</extension>
<mime-type>video/mpeg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>mpeg</extension>
<mime-type>video/mpeg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>mpega</extension>
<mime-type>audio/x-mpeg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>mpg</extension>
<mime-type>video/mpeg</mime-type>
</mime-mapping>
<mime-mapping>
<extension>mpv2</extension>
<mime-type>video/mpeg2</mime-type>
</mime-mapping>
<mime-mapping>
<extension>ms</extension>
<mime-type>application/x-wais-source</mime-type>
</mime-mapping>
<mime-mapping>
<extension>nc</extension>
<mime-type>application/x-netcdf</mime-type>
</mime-mapping>
<mime-mapping>
<extension>oda</extension>
<mime-type>application/oda</mime-type>
</mime-mapping>
<mime-mapping>
<extension>pbm</extension>
<mime-type>image/x-portable-bitmap</mime-type>
</mime-mapping>
<mime-mapping>
<extension>pct</extension>
<mime-type>image/pict</mime-type>
</mime-mapping>
<mime-mapping>
<extension>pdf</extension>
<mime-type>application/pdf</mime-type>
</mime-mapping>
<mime-mapping>
<extension>pgm</extension>
<mime-type>image/x-portable-graymap</mime-type>
</mime-mapping>
<mime-mapping>
<extension>pic</extension>
<mime-type>image/pict</mime-type>
</mime-mapping>
<mime-mapping>
<extension>pict</extension>
<mime-type>image/pict</mime-type>
</mime-mapping>
<mime-mapping>
<extension>pls</extension>
<mime-type>audio/x-scpls</mime-type>
</mime-mapping>
<mime-mapping>
<extension>png</extension>
<mime-type>image/png</mime-type>
</mime-mapping>
<mime-mapping>
<extension>pnm</extension>
<mime-type>image/x-portable-anymap</mime-type>
</mime-mapping>
<mime-mapping>
<extension>pnt</extension>
<mime-type>image/x-macpaint</mime-type>
</mime-mapping>
<mime-mapping>
<extension>ppm</extension>
<mime-type>image/x-portable-pixmap</mime-type>
</mime-mapping>
<mime-mapping>
<extension>ps</extension>
<mime-type>application/postscript</mime-type>
</mime-mapping>
<mime-mapping>
<extension>psd</extension>
<mime-type>image/x-photoshop</mime-type>
</mime-mapping>
<mime-mapping>
<extension>qt</extension>
<mime-type>video/quicktime</mime-type>
</mime-mapping>
<mime-mapping>
<extension>qti</extension>
<mime-type>image/x-quicktime</mime-type>
</mime-mapping>
<mime-mapping>
<extension>qtif</extension>
<mime-type>image/x-quicktime</mime-type>
</mime-mapping>
<mime-mapping>
<extension>ras</extension>
<mime-type>image/x-cmu-raster</mime-type>
</mime-mapping>
<mime-mapping>
<extension>rgb</extension>
<mime-type>image/x-rgb</mime-type>
</mime-mapping>
<mime-mapping>
<extension>rm</extension>
<mime-type>application/vnd.rn-realmedia</mime-type>
</mime-mapping>
<mime-mapping>
<extension>roff</extension>
<mime-type>application/x-troff</mime-type>
</mime-mapping>
<mime-mapping>
<extension>rtf</extension>
<mime-type>application/rtf</mime-type>
</mime-mapping>
<mime-mapping>
<extension>rtx</extension>
<mime-type>text/richtext</mime-type>
</mime-mapping>
<mime-mapping>
<extension>sh</extension>
<mime-type>application/x-sh</mime-type>
</mime-mapping>
<mime-mapping>
<extension>shar</extension>
<mime-type>application/x-shar</mime-type>
</mime-mapping>
<mime-mapping>
<extension>sit</extension>
<mime-type>application/x-stuffit</mime-type>
</mime-mapping>
<mime-mapping>
<extension>smf</extension>
<mime-type>audio/x-midi</mime-type>
</mime-mapping>
<mime-mapping>
<extension>snd</extension>
<mime-type>audio/basic</mime-type>
</mime-mapping>
<mime-mapping>
<extension>src</extension>
<mime-type>application/x-wais-source</mime-type>
</mime-mapping>
<mime-mapping>
<extension>sv4cpio</extension>
<mime-type>application/x-sv4cpio</mime-type>
</mime-mapping>
<mime-mapping>
<extension>sv4crc</extension>
<mime-type>application/x-sv4crc</mime-type>
</mime-mapping>
<mime-mapping>
<extension>swf</extension>
<mime-type>application/x-shockwave-flash</mime-type>
</mime-mapping>
<mime-mapping>
<extension>t</extension>
<mime-type>application/x-troff</mime-type>
</mime-mapping>
<mime-mapping>
<extension>tar</extension>
<mime-type>application/x-tar</mime-type>
</mime-mapping>
<mime-mapping>
<extension>tcl</extension>
<mime-type>application/x-tcl</mime-type>
</mime-mapping>
<mime-mapping>
<extension>tex</extension>
<mime-type>application/x-tex</mime-type>
</mime-mapping>
<mime-mapping>
<extension>texi</extension>
<mime-type>application/x-texinfo</mime-type>
</mime-mapping>
<mime-mapping>
<extension>texinfo</extension>
<mime-type>application/x-texinfo</mime-type>
</mime-mapping>
<mime-mapping>
<extension>tif</extension>
<mime-type>image/tiff</mime-type>
</mime-mapping>
<mime-mapping>
<extension>tiff</extension>
<mime-type>image/tiff</mime-type>
</mime-mapping>
<mime-mapping>
<extension>tr</extension>
<mime-type>application/x-troff</mime-type>
</mime-mapping>
<mime-mapping>
<extension>tsv</extension>
<mime-type>text/tab-separated-values</mime-type>
</mime-mapping>
<mime-mapping>
<extension>txt</extension>
<mime-type>text/plain</mime-type>
</mime-mapping>
<mime-mapping>
<extension>ulw</extension>
<mime-type>audio/basic</mime-type>
</mime-mapping>
<mime-mapping>
<extension>ustar</extension>
<mime-type>application/x-ustar</mime-type>
</mime-mapping>
<mime-mapping>
<extension>xbm</extension>
<mime-type>image/x-xbitmap</mime-type>
</mime-mapping>
<mime-mapping>
<extension>xml</extension>
<mime-type>text/xml</mime-type>
</mime-mapping>
<mime-mapping>
<extension>xpm</extension>
<mime-type>image/x-xpixmap</mime-type>
</mime-mapping>
<mime-mapping>
<extension>xsl</extension>
<mime-type>text/xml</mime-type>
</mime-mapping>
<mime-mapping>
<extension>xwd</extension>
<mime-type>image/x-xwindowdump</mime-type>
</mime-mapping>
<mime-mapping>
<extension>wav</extension>
<mime-type>audio/x-wav</mime-type>
</mime-mapping>
<mime-mapping>
<extension>svg</extension>
<mime-type>image/svg+xml</mime-type>
</mime-mapping>
<mime-mapping>
<extension>svgz</extension>
<mime-type>image/svg+xml</mime-type>
</mime-mapping>
<mime-mapping>
<!-- Wireless Bitmap -->
<extension>wbmp</extension>
<mime-type>image/vnd.wap.wbmp</mime-type>
</mime-mapping>
<mime-mapping>
<!-- WML Source -->
<extension>wml</extension>
<mime-type>text/vnd.wap.wml</mime-type>
</mime-mapping>
<mime-mapping>
<!-- Compiled WML -->
<extension>wmlc</extension>
<mime-type>application/vnd.wap.wmlc</mime-type>
</mime-mapping>
<mime-mapping>
<!-- WML Script Source -->
<extension>wmls</extension>
<mime-type>text/vnd.wap.wmlscript</mime-type>
</mime-mapping>
<mime-mapping>
<!-- Compiled WML Script -->
<extension>wmlscriptc</extension>
<mime-type>application/vnd.wap.wmlscriptc</mime-type>
</mime-mapping>
<mime-mapping>
<extension>wrl</extension>
<mime-type>x-world/x-vrml</mime-type>
</mime-mapping>
<mime-mapping>
<extension>Z</extension>
<mime-type>application/x-compress</mime-type>
</mime-mapping>
<mime-mapping>
<extension>z</extension>
<mime-type>application/x-compress</mime-type>
</mime-mapping>
<mime-mapping>
<extension>zip</extension>
<mime-type>application/zip</mime-type>
</mime-mapping>
<!-- ==================== Default Welcome File List ===================== -->
<!-- When a request URI refers to a directory, the default servlet looks -->
<!-- for a "welcome file" within that directory and, if present, -->
<!-- to the corresponding resource URI for display. If no welcome file -->
<!-- is present, the default servlet either serves a directory listing, -->
<!-- or returns a 404 status, depending on how it is configured. -->
<!-- -->
<!-- If you define welcome files in your own application's web.xml -->
<!-- deployment descriptor, that list *replaces* the list configured -->
<!-- here, so be sure that you include any of the default values that -->
<!-- you wish to include. -->
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
</welcome-file-list>
</web-app>
<?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>HelloWait</servlet-name>
<servlet-class>HelloWait</servlet-class>
</servlet>
<servlet>
<servlet-name>HelloWait2</servlet-name>
<servlet-class>HelloWait2</servlet-class>
</servlet>
<!-- BEGIN SERVLET MAPPINGS -->
<servlet-mapping>
<servlet-name>HelloWait</servlet-name>
<url-pattern>/HelloWait</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>HelloWait2</servlet-name>
<url-pattern>/HelloWait2</url-pattern>
</servlet-mapping>
</web-app>
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