Forward proxy: LoadModule proxy_module modules/mod_proxy.so ... Reverse proxy: LoadModule proxy_module modules/mod_proxy.so Lo... However, mod_proxy will not look inside the HTML page and rewrite the URL references (i.e., images may not show, links may be broken). You need to use mod_proxy_html to fix the URLs.

Add these lines to mime.types to associate both .php and .php5 to PHP: application/x-httpd-php php application/x-httpd...

In this note I'll show you how to create and package a JSP custom tag. The purpose of this tag is to display a random splash image for a home page, among a set of images. We should be able to add or delete candidate splash images from the WAR archive without the need to change the JSP. This is the intended use of the tag: <%@ taglib uri="http://custom.tag.com/demo" prefix... In the above example you provide a set of images named splash*.png (e.g., splash1.png, spalsh2.png, ...), and the tag will pick a random one to display when the JSP is rendered. Let's get started. I'll use Maven for this purpose. Create the standard Maven directory structure ./pom.xml ./src ./src/main ./src/main/jav... pom.xml <project xmlns="http://maven.apache.org/POM/4.0.0"... SplashTag.java package tagdemo; import java.util.ArrayList......

If you followed the steps in Start a Java EE application with Maven , you'll arrive at an EAR file that's ready to be deployed. However, if you look carefully, you'll find that the ejb-1.0.jar file is included in the EAR file twice : once as the ejb module of the EAR, another time under the WEB-INF/lib folder of webapp-1.0.war . The second is brought about by specifying the ejb project as a dependency in the webapp POM. Actually, the webapp project is dependent on the ejb project as an EJB client. So we should have been more accurate by specifying the type of dependency as ejb-client , not ejb : Edit webapp/pom.xml , change the ejb dependency to ejb-client : <project> <modelVersion>4.0.0</modelVersion... Update ejb/pom.xml...

The class org.apache.xerces.jaxp.SAXParserFactoryImpl extends javax.xml.parsers.SAXParserFactory , so casting the former to the latter should not be a problem. This error occurs when there are two copies of javax.xml.parsers.SAXParserFactory loaded by two different class loaders, and you are trying to cast one to the other. Normally, you'll be able to find xml-apis.jar under WEB-INF/lib of the WAR file. Deleting the jar will resolve the problem. java.lang.ClassCastException: org.apache.xerces.ja...

Tomcat auto-deploys WAR files or exploded web applications copied to the appBase directory by default. The default Host configuration in server.xml looks like this: <!-- Define the default virtual host ... So the appBase directory is named webapps by default, which is where the manager and examples applications are. You can deploy a new application by dropping your WAR file, or copying your application in exploded WAR structure to the same directory. Your application is automatically re-deployed when a new WAR file is copied to webapps , or, in exploded structure, WEB-INF/web.xml is updated. The reason that Tomcat knows to reload a web application when web.xml is updated is because of the WatchedResource declaration in $CATALINA_BASE/conf/context.xml : <Context> <!-- Default set of monitored... It...

Servlet container initializes this servlet when it starts up. The content of this element must be a positive integer indicating the order in which the servlet should be loaded. Lower integers are loaded before higher integers. If no value is specified, or if the value specified is not a positive integer, the servlet can be loaded in any order in the startup sequence. In this example, Struts is loaded before cms: <!-- Struts action servlet setup --> ...

Servlet mapping examples in web.xml. Struts: <!-- Struts action servlet setup --> ... Spring: <servlet> <servlet-name>springapp</... JSF myfaces: <servlet> <servlet-name>Faces Servl...

Example web.xml that includes most frequently used elements. This sample is for Servlet Specification 2.4. <?xml version="1.0" encoding="UTF-8"?> <web-ap...

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