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Tag Archives: Apache Tomcat

Tomcat Clustering Series Part 1 : Simple Load Balancer

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I am going to start new series of posts about Tomcat clustering. In this post we will see what is the problem in normal deployment on a single machine, what is clustering and why is it necessary and how to setup a simple load balancer with Apache httpd web server + Tomcat server cluster. Why need Clustering? (Tomcat Clustering) In normal ...

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Setting up and playing with Apache Solr on Tomcat

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A while back a had a little time to play with Solr, and was instantly blown away by the performance we could achieve on some of our bigger datasets. Here is some of my initial setup and configuration learnings to maybe help someone get it up and running a little faster. Starting with setting both up on windows. Download and ...

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Tomcat Context JUnit @Rule

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A first draft of a JUnit @Rule that create the test context. This can be used with the Spring context rule for this post to create a complete Spring context for integration tests. import org.apache.commons.dbcp.BasicDataSource; import org.apache.log4j.Logger; import org.junit.rules.TestRule; import org.junit.runner.Description; import org.junit.runners.model.Statement; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.NodeList; import javax.naming.Context; import javax.naming.InitialContext; import javax.naming.NamingException; import javax.sql.DataSource; import javax.xml.parsers.DocumentBuilder; import ...

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Full Web Application Tomcat JSF Primefaces JPA Hibernate – Part 3

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Primefaces AutoComplete, JSF Converter This post continues from part 1 and part 2. The JSF has the Converter tool that helps us get some data from the user view and transform into an object loaded from the database or a cache.           In the “com.converter” package create the following class: package com.converter; import javax.faces.application.FacesMessage; import javax.faces.component.UIComponent; ...

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Full Web Application Tomcat JSF Primefaces JPA Hibernate – Part 2

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ManagedBeans This post continues from part 1 of this tutorial. In the “com.mb” package you will need to create the classes bellow:             package com.mb; import org.primefaces.context.RequestContext; import com.util.JSFMessageUtil; public class AbstractMB { private static final String KEEP_DIALOG_OPENED = 'KEEP_DIALOG_OPENED'; public AbstractMB() { super(); } protected void displayErrorMessageToUser(String message) { JSFMessageUtil messageUtil = new JSFMessageUtil(); messageUtil.sendErrorMessageToUser(message); ...

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Spring 3.1 profiles and Tomcat configuration

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Spring 3.1 introduced very useful feature called profiles. Thanks to that its easy to build one package that can be deployed in all environments (development, test, production and so on). By defining system property spring.profiles.active Spring allows us to create different beans depending on active profile name using XML configuration or @Profile annotation. As we all know system properties can ...

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Apache HTTP server with Tomcat on SSL

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Introduction I recently needed to simulate our production deployment environment in my local machine. Our production applications are running on Apache HTTP server. We deploy application on multiple tomcat instances and also different Tomcats for different URL name spaces. Apache HTTP server is responsible as front door for all these. Apache HTTP server connects to the tomcat with mod_jk over ...

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Virtual Host + Apache httpd server + Tomcat + mod_jk connector

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In my last post (Virtual Host in Tomcat) we discussed about how setup the virtual host in Tomcat. Its cost effective technique because only one public IP is enough to host multiple domain. If we have big organization and each department want to host their website in locally in different machine. then how to achieve the virtual host concept?. In ...

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