In Eclipse Galileo (3.5) or Ganymede (3.4) or older version, you can control the project packaging structure via the “Java EE Module Dependencies” option, so that the project dependencies are deployed to the correct folder. However, in the latest Eclipse Helios (3.6), the “Java EE Module Dependencies” is replaced by “Web Deployment Assembly“, which provide […]
Normally, when you use Maven command mvn eclipse:eclipse to convert existing Java project to support Eclipse project, Maven will create the entire dependency classpath by using the M2_REPO variable, which is not defined in Eclipse by default. Nothing special, M2_REPO is just a normal “classpath variable” in Eclipse to find your local Maven repository. Here, […]
Problem Using Eclipse Ganymede (3.4) , developing JSF 2.0 web application. However when open the xhtml file with the Eclipse web page editor , it prompts a dialog box and saying … Unsupported content type in editor To associate file extension with a supported content type, please see Content Types Preference Page. P.S The .xhtml […]
Problem Recently, i have installed an Aptana plugins in Eclipse IDE, after that , when i pressed “ctrl + space” in a Struts 2 xml file, the content assist is not working anymore. See picture : The content assist is not suggesting any Struts 2 elements, even the Struts 2 dtd is included correctly in […]
Problem By default, while starting the Tomcat server instance in Eclipse, the project’s dependency libraries will not deploy to the Eclipse’s Tomcat plugin library folder ‘WEB-INF/lib’ correctly. See this “.classpath” file, that is generated by Maven “mvn eclipse:eclipse” command. <classpath> <classpathentry kind="src" path="src/main/java" including="**/*.java"/> <classpathentry kind="src" path="src/main/resources" excluding="**/*.java"/> <classpathentry kind="output" path="target/classes"/> <classpathentry kind="var" path="M2_REPO/org/apache/struts/struts-core/1.3.10/struts-core-1.3.10.jar" /> […]
By default, Eclipse will output Chinese or non-English characters as question marks (?) or some weird characters. This is because the Eclipse’s default console encoding is Cp1252 or ASCII, which is unable to display other non-English words. To enable Eclipse to display Chinese or other non-English characters correctly, do following : 1. In Eclipse, right […]
Spring IDE is a very useful graphical user interface tool adding support for Spring Framework. In this tutorial, we show you two ways to install Spring IDE in Eclipse. Version used in this tutorial : Spring IDE 2.9 Eclipse 3.7 Spring IDE or SpringSource Tool Suite (STS)? Refer to this Spring IDE vs STS pdf […]
This article shows you a few ways to generate the serialVersionUID for serialization class. 1. serialver JDK has a built-in command serialver to generate a serialVersionUID automatically. In this example, we use serialver to generate a serialVersionUID for an Address class. Terminal $ serialver Address Address: static final long serialVersionUID = -687991492884005033L; 2. Eclispe IDE […]
In last tutorial, you created a web application with Maven. Here’s a guide to show you how to convert that web application to support Eclipse IDE. Note Eclipse IDE support web application via WTP tool, so you need to make your Maven based project support it as well. 1. mvn eclipse:eclipse -Dwtpversion=2.0 To convert a […]
Problem During the Eclipse debugging session, the “web.xml” will always deploy to a wrong folder. It’s always cause by manual migrated or converted a Java web project to Maven’s project. See the Eclipse’s workspace folder structure, Tomcat in Eclipse is deploy “web.xml” to a wrong folder, and causing the entire web application fail to run. […]
Eclipse IDE has many customize components, the splash welcome image (purple color loading image) is one of those. I’m very boring to see the purple image loading everyday, a new fresh image will make my development more encouraging 🙂 How to change Eclipse IDE splash image 1) Find “config.ini” file Find the Eclipse’s configuration file […]
Eclipse IDE, press CTRL + T or F4 to view the Java class hierarchy, no need to search the JavaDoc API online. Note For Mac OS X, press Command + T Steps to show class hierarchy 1. Clicks on a class, press CTRL + T to view the subtype hierarchy. 2. Press CTRL + T […]
Often times, Eclipse IDE may need access to the Internet for some plugins install and update. If your computer is behind a proxy server, most company do, Eclipse will keep hanging and take very long time to process and failed at the end. You have to configure the proxy settings in Eclipse in order to […]
Latest Eclipse IDE is required to support the hibernate tools plug-in. However my “svn+ssh” is not working correctly after updated to the latest Eclipse IDE and Subeclipse version of 1.6.x. While i initial the “svn+ssh” access connection in Eclipse IDE, i had encountered the following error message. Network connection closed unexpectedly svn: Connection closed unexpectedly […]
Often times, you may to use “mvn eclipse:eclipse -Dwtpversion=1.5” command to create a web project for Eclipse IDE, but you may encounter the following error messages. Unsupported WTP version: 1.5. This plugin currently supports only the following versions: 1.0 R7 D:\mkyong>mvn eclipse:eclipse -Dwtpversion=1.5 [INFO] Scanning for projects… [INFO] Searching repository for plugin with prefix: ‘eclipse’. […]
Develop SWT application without SWT source code attached in Eclipse IDE will make developers feel depress in SWT. Just imaging when we do not know some SWT classes, then mouse point that class and press F3, nothing come out but a black page saying “no SWT source code found, please attach a source”, how you […]
In order to develop SWT application in Eclipse environment, we have to import SWT library into Eclipse Workspace manually. Here is the steps to import SWT library 1) Right click on Java Project – Click Properties 2) Click Java Build Path –> Libraries –> Add Variable –> Configure Variable 3) Click New –> Type a […]
Problem Content Assist (Ctrl + Space) is not working in my Eclipse IDE version 3.3. I have two Eclipse IDE installed, both in my laptop and personal desktop computer. However my laptop Eclipse 3.3’s content assist feature is working perfectly, but not my personal desktop computer. Every time, when i pressed on the Ctrl + […]
In Eclipse IDE, we can use Enhanced Class Decompiler plugin to decompile Java class files without source code directly. After installing and configuring the Enhanced Class Decompiler plugin, click on the class or methods, press F3, and the plugin will automatically decompile the Java class. Table of contents 1. What is Enhanced Class Decompiler plugin? […]
