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Created by Dr. Xi on September 23, 2013 09:00:22 Last update: September 23, 2013 09:17:55
Tsung is an open-source multi-protocol distributed load testing tool. It's written in Erlang , but don't let that dissuade you. Here are some simple steps to get started. Install Tsung. On Ubuntu, this is simply: sudo apt-get install tsung . Create a config file ( tsung.xml ):
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYP...Beware of the dumptraffic attribute. You might want to set it to false for a real load test. Run the test:
$ tsung -f tsung.xml start Starting Tsung "L...Generate the reports:
$ cd /home/drxi/.tsung/log/20130923-1031 $ /usr...Open the report file in your browser: file:///home/drxi/.tsung/log/20130923-1031/report.html . For HTTPS testing change the server line to:
<servers> <server host="192.168.80.160" port="...
Created by Fang on January 31, 2012 15:40:34 Last update: January 31, 2012 15:41:28
This is a simple Hello World application with Spring 3 MVC. Like the default Apache HTTPd welcome page, it displays " It works! " when successfully deployed. The sole purpose is to show the minimum elements needed to setup Spring 3 MVC. I use Maven since it's so much easier than downloading the dependencies manually. Directory layout:
./src ./src/main ./src/main/webapp ./src/...pom.xml :
<?xml version="1.0" encoding="UTF-8"?> <project...WEB-INF/web.xml :
<?xml version="1.0" encoding="UTF-8"?> <web-app...WEB-INF/applicationContext.xml (empty, but needed):
<?xml version="1.0" encoding="UTF-8"?> <beans x...WEB-INF/spring-servlet.xml :
<?xml version="1.0" encoding="UTF-8"?> <beans x...WEB-INF/jsp/home.jsp :
<!DOCTYPE html> <html> <head> <title>H...Build with:
mvn clean packageThe resulting webapp is target/springmvc.war .
Created by Fang on October 28, 2011 13:49:40 Last update: October 30, 2011 19:23:25
This is a simple example to demonstrate the templating power of JSF facelets. If you've used struts tiles before, you'll recognize the simplicity of templating with facelets. I've stripped out everything else except the pages themselves, just to put our focus on facelets. This is a Maven based project, and you need Tomcat (or any servlet container) to run the resulting webapp. To begin with this is the list of files:
./pom.xml ./src/main/webapp/home.xhtml ./src...I left faces-config.xml in there for completeness sake, it may not be needed. The Maven POM ( pom.xml ):
<?xml version="1.0" encoding="UTF-8"?> <project...Web app configuration ( WEB-INF/web.xml ):
<?xml version="1.0" encoding="UTF-8"?> <web-app...Empty WEB-INF/faces-config.xml :
<?xml version="1.0" encoding="UTF-8"?> <!-- Thi...index.jsp is simply a redirect to home.jsf :
<% response.sendRedirect("home.jsf"); %>...
Created by Fang on October 28, 2011 14:49:53 Last update: October 28, 2011 14:52:19
Facelet templates can be nested, for example, a page can use a template which inherits from another template. To demonstrate this, let's start from the simple example and make these additions: Add a place holder for CSS style sheets in WEB-INF/templates/default.xhtml :
<h:head> <title>Facelets Template Demo</tit...Add a derivative template ( WEB-INF/templates/default-style.xhtml ) which provides CSS:
<?xml version="1.0" encoding="UTF-8"?> <ui:comp...Add a page that uses the styled template ( home-style.xhtml ):
<?xml version="1.0" encoding="UTF-8"?> <ui:comp...The only difference between this file and home.xhtml is the template being used. Compare the display of the pages home.xhtml and home-style.xhtml .
Created by freyo on September 07, 2011 16:46:14 Last update: September 07, 2011 19:23:00
The Android unit test framework is based on JUnit 3 , not JUnit 4. Test cases have to extend junit.framework.TestCase or a subclass (such as android.test.InstrumentationTestCase ). Tests are identified by public methods whose name starts with test , not methods annotated with @Test (as in JUnit 4). An Android test suite is packaged as an APK, just like the application being tested. To create a test package, first you need to identify the application package it is testing. Google suggests to put the test package source in a directory named tests/ alongside the src/ directory of the main application. At runtime, Android instrumentation loads both the test package and the application under test into the same process. Therefore, the tests can invoke methods on...
Created by freyo on May 11, 2011 12:30:45 Last update: May 11, 2011 12:32:06
Android application builds use Xpath to query AndroidManifest.xml attributes. This is a simple build.xml to demo how it is set up:
<?xml version="1.0" encoding="UTF-8"?> <project...
Created by Fang on March 23, 2010 03:50:11 Last update: August 18, 2010 21:59:52
This is a simple web application with a single servlet and a single JSP page. It is intended to be a test bed for JSTL tags. You may want to store all syntax, rules, and exceptions in your head, but in my opinion nothing beats a simple test program that allows you play with it all you want. So here it is (build with Maven ). Prerequisites: Maven: http://maven.apache.org/ . You don't need any prior knowledge of Maven, but you need to install the binary. JBoss: http://jboss.org/jbossas/downloads/ , or Tomcat: http://tomcat.apache.org/ if you don't run the SQL tests. You need to know how to deploy a web application (shh! Don't tell your boss it's just copying a file to the deployment folder). Steps: The directory...
Created by Fang on April 02, 2010 21:45:47 Last update: July 17, 2010 02:55:06
This is built upon the simple test application for JSTL , which contained a single servlet and a single JSP page. If I want to use it to test all available JSTL tags, the servlet and JSP page would be too complicated. Instead, I want to group the JSTL tags into separate JSP pages and display each group based on the requested URL. For example, if the URL ends with /CoreBasic , I'll display a page that contains the basic core tags; if the URL ends with /I18N , I'll display a page that contains the internationalization tags (e.g., <fmt:message> ). Furthermore, I want to delegate the handling of each group of tags to separate Java classes. This is the application I'll use for the...
Created by Dr. Xi on September 20, 2009 16:52:19 Last update: March 22, 2010 01:28:49
When I assemble a session bean without the proprietary deployment descriptor ( orion-ejb-jar.xml ), OC4J generates one like this (as can be seen from the OC4J management console):
<?xml version="1.0" encoding="utf-8"?> <ori...So I use this code to lookup the EJB:
import javax.naming.Context; import javax.namin...OC4J throws ClassCastException :
java.lang.ClassCastException: com.evermind[Oracle ...The JNDI browser (OC4J container home -> Administration -> JNDI browser) shows that the name simpleEjb_SimpleBeanLocal is bound to: com.evermind.server.ejb.StatelessSessionDefaultLocalHomeImpl Solution: Change the local name in the OC4J generated orion-ejb-jar.xml to simpleEjb_SimpleBeanLocal2 and put it in the EJB package. Redeploy. The JNDI browser shows that simpleEjb_SimpleBeanLocal is still bound to com.evermind.server.ejb.StatelessSessionDefaultLocalHomeImpl . But simpleEjb_SimpleBeanLocal2 is bound to the right proxy: SimpleBean_LocalProxy_5f4b5e5 .
Created by Fang on September 07, 2009 16:39:37 Last update: September 07, 2009 18:43:04
It's easiest to use the archetype plugin to start a new Maven project. I'll use struts 1 as example since it's not in the built-in archetypes for archetype:generate . Generate a simple webapp with archetype:generate :
C:\work\maven>mvn archetype:generate -DarchetypeAr...It generates a directory structure like this:
struts1app struts1app/pom.xml struts1app/src...with a simple POM:
<project xmlns="http://maven.apache.org/POM/4.0.0"...Create settings.xml in $HOME/.m2 , add Java.net repository for Java EE dependencies:
<?xml version="1.0" encoding="UTF-8"?> <setting...Add Java EE and Struts dependencies in pom.xml . Note that the Java EE dependency has scope provided , meaning that the web app container provides the jars, therefore we don't need to bundle them with our war fie.
<project xmlns="http://maven.apache.org/POM/4.0.0"...Create a directory named java under main , create the Struts form and...