I downloaded Eclipse on my Mac for school, following these instructions: In your browser, go to Eclipse Downloads. Do not use the Eclipse Installer. Instead follow these steps to download and install Eclipse. Find the Eclipse IDE for Java Developers package (make sure you do not pick the wrong package) and cl…
Tag: eclipse
Eclipse IDE for Java Developers 2021-06 Cannot find class paths for jars
I have built a new machine and installed a fresh version of eclipse (Eclipse IDE for Java Developers 2021-06). If I run an old project it works. If I make a new project I the following error. Exception in thread “main” java.lang.NoClassDefFoundError: net/crl/CRLibs/DBI at EnvList.(EnvList.java:143…
I can’t loop my code whenever condition fails. It just prints both blocks of code if the user input is true
I am a beginner at java and I want to loop this all over again but I don’t know how. I’ve tried a while loop but it doesn’t work really well and it prints both blocks of code. What should happen is when I type “quit, Quit, or QUIT”, it should terminate. What happens instead is th…
ClassOrInterfaceDeclaration.getTokenRange() gets all the tokens for a file even after removing nodes from the class
When I remove “ClassOrInterfaceDeclaration” nodes from a class in CompilationUnit (JavaParser) from a parsed file that contains more than one class, ClassOrInterfaceDeclaration.getTokenRange() gets all the tokens even the removed nodes tokens. For example, the code snippet at positions 1 and 2 wil…
How can I transform the xtext DSL elements into XML?
I have created a grammar using xtext, and generated the DSL. Now, I want to transform the DSL elements (program that is conforming to the grammar) to XML elements. So, I am wondering if there is a framework that allows to do that using Java for example. I could open the files having the extension of the DSL u…
Eclipse not able to see javax package
I’m currently trying to fiddle with images, specifically convert images from JPEG, WEBP, and BMP forms to PNG forms and my method uses the javax.imageio.ImageIO class. When I tried importing it, Eclipse yelled that the package that the type was not accessible. I thought that was weird and went digging t…
Use JAXB with plexus-compiler-eclipse plugin in maven profile
I am working on a project where we want to use the plexus-compiler-eclipse plugin during a Jenkins pipeline to check for increases in the number of warnings generated by the Eclipse compiler. We still want to use the javac compiler for the normal build and test stage, so I am trying to create a maven profile …
MacOS Eclipse RCP MenuItem Selection event invalidation
MacOS 10.15.5 Eclipse RCP 2020-09 Problem : MenuItem Selection event invalidation Code : result: MacOS cannot execute , Event not triggered Window OS Is OK Answer You can’t have SWT.PUSH style menu items directly on the menu bar (at least not on macOS). You need to create SWT.CASCADE menu items with the…
WindowBuilder 1.9.5 not showing design tab after re import project
After several test I found that this that I did previously in another project is not working. In fact, a project I worked on a few months ago shows me this error of not showing the design tab. Create SWT/JFace Java Project Add Swing designer->JFrame The desing tab is visible Remove project from workspace I…
How to show specific color on top when multiple background colors are combined in nattable?
enter image description here I added nattable configLabel to add background color. But what if you want to display the blue color at the top when multiple background colors are combined? Answer The labels are managed in a LabelStack. The labels are interpreted top-down. That means if multiple labels are appli…