How can I install an additional java on MacOS? I installed jdk8 and that works fine. But now I need a jdk7 installation for development purposes. When trying to install the old version via DMG file, i get a warning, that there is already a newer version of java installed and the installer quits. How to instal…
Tag: macos
Swing application menu name not displaying correctly in Java 1.8
Okay, so I’ve done Swing applications before, and I know if you want to display a different name for the application menu (the one on Macs that usually have a “Preferences” and “Quit” option), you have to use: System.setProperty(“com.apple.mrj.application.apple.menu.about.n…
Unidentified developer for Java Web Start application on OS X
On Mac OS X 10.9 signed Java Web Start applications are blocked by default with the message: I know it’s possible to weaken the security checks to allow any application to run, but that requires a manual intervention of the end user. Is it possible to “sign” a Java Web Start application such…
Removing Java 8 JDK from Mac
So I installed the beta of JDK 8 a while ago to look at some of the examples. I thought for sure by now, it’s easy to change between versions. Doing some Play development with IntelliJ. For some reason, IntelliJ is compiling with 8 even though: I have the compiler set in Preferences to use 1.6 Supposedl…
Where is Java Installed on Mac OS X?
I just downloaded Java 7u17 on Mac OS 10.7.5 from here and then successfully installed it. In order to do some JNI programming, I need to know where Java installed on my Mac. I thought that inside the /Library/Java/JavaVirtualMachines/ folder, there would be a folder called 1.7.0.jdk or something, but then I …
Headless environment error in java.awt.Robot class with MAC OS
I am trying to capture screen shots in my JavaFX application using Robot class, this is the code which I used in my application: It is working perfectly in windows operating system, but showing an error of headless environment in MAC OS at Robot robot = new Robot(); Answer This is to answer my own question, a…
Add the play script to your PATH in Mac
I’m not good with the terminal, so I have no idea what this means…. you should add the framework installation directory to your system PATH. On UNIX systems, this means doing something like: On Windows you’ll need to set it in the global environment variables. This means update the PATH in the env…
mac os java version from root is different
after installing jdk7u5 for mac os I got different java-versions for “normal” user and root. java -version gives me the 7. sudo java -version gives me the 6. I’ve looked up in the /System/Library/Frameworks/JavaVM.framework/Versions/ found that there are some links. After I resolved the link…
How do I move my JMenuBar to the screen menu bar on Mac OS X?
When I move my JMenuBar to the screen menu bar on Mac OS X, it leaves some blank space where the menu would be in my window; I need to remove that space. I am using to move my JMenuBar to the screen menu bar. My friend who uses a Mac reports that this leaves some ugly vertical space where
Failed to locate method JNI_GetCreatedJavaVMs in the libjvm.dylib (Mac OS)
I am trying to embed java virtual machine in my program but I libjvm.dylib lacks JNI_GetCreatedJavaVMs. The program works fine both on Windows and on Linux platforms. However, when running on Mac OS I’m getting: exception. I use libjvm.dylib located in /System/Library/Frameworks/JavaVM.framework/Version…