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Jakarta-Tomcat 4.1 for Debian
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=============================
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- The home directory for Tomcat 4.1 (a.k.a. Catalina) is /usr/share/tomcat4
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but most of the files in there are just symlinks to the proper FHS
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directories.
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- The package has been built as "light" distribution which means that some
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of the additional features like JavaMail, JTA and Tyrex are not enabled.
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Catalina was compiled using MX4J so JMX is available for an embedded
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servlet engine.
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- The main configuration file is /etc/tomcat4/server.xml.
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The default setup enables the built-in HTTP web server on port 8180 and
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a WARP (mod_webapp) connector for Apache on port 8008. The standard port
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8080 for the web server was not used so the package does not conflict with
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junkbuster. Tomcat also listens on port 8005 (localhost only) for a
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shutdown command.
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- Tomcat 4.1 requires a full Java Development Kit (JDK) because a Java
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compiler is used for translating JavaServer Pages (JSP) into classes.
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The Java Runtime Environment (JRE) does not include a Java compiler so
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it can't be used.
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- You can install web applications as .war files or extracted in a
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subdirectory in /var/lib/tomcat4/webapps (for Tomcat 4 only) or
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/usr/share/java/webapps (for all servlet engines). The name of the WAR file
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or subdirectory is the servlet context for this webapp. You can't set
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unpackWar to true in server.xml because /var/lib/tomcat4/webapps is not
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writebale by the tomcat4 user for security reasons.
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- You can test if Tomcat is working properly by pointing your favourite web
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browser to http://localhost:8180/ and testing some of the Servlet and JSP
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examples. This requires installation of the tomcat4-webapps package.
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- Multiple Tomcat instances can be started by different users when
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$CALALINA_BASE is set to a local cirectory that contains the subdirectories
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conf, logs, webapps, work and temp. See RUNNING.txt for more about this.
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- Tomcat is started using a security manager, you can define the permissions
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for your servlets and JSPs in /etc/tomcat4/policy.d/*. All files in this
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directory are joined to /etc/tomcat4/catalina.policy. Other Debian packages
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that contain web applications might provide their own security rules in a
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file in this directory, e.g. for JDBC access. You can also completely
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disable the security manager in /etc/default/tomcat4 but this is not
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recommended since a call to System.exit() in a servlet of JSP page
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would then stop the whole virtual machine that is running Tomcat.
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- For more information about Jakarta-Tomcat please take a look at the Tomcat
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home page at http://jakarta.apache.org/tomcat/index.html.
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- The official Servlet 2.3 and JSP 1.2 specifications can be found at
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http://java.sun.com/products/servlet/ and http://java.sun.com/products/jsp/
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Revision Log