The top two suggestions at this SO didn't help (and when using the path mentioned farther below, the emulator wouldn't start and gave a Mac alert error). Please check that /Library/Internet Plug-Ins/ugin/Contents/Home contains a valid JDK installation. (There was another download page, but it required an Oracle login.)Īfter installing, I then got the error (when building): Could not find tools.jar. So do I just not think about how it disappeared, and go ahead and just install the JRE or JDK from Oracle? Or is there a way to tell the Mac to "please fix this"? I only do Flutter development on the Mac. I also don't surf the web or download/install stuff on my Mac. why am I even here? Where did my Java go? I went to Oracle, but they mention about costs. But typing java -version or /usr/bin/java -version gives that same error. When I type which java or which javac they both point to /usr/bin/java and /usr/bin/javac. But I've BEEN building to Android, so I'm completely confused why today it all of a sudden can't find Java. I also tried a different project via Android Studio, and it says the same thing. Please visit for information on installing Java. But there is no Java icon in my System Preferences. Research says to check the Java icon in the System Preferences. I've been building to 3 different Android devices (1 emulator 2 devices (one USB one wireless)) since I got my MBP (came with Big Sur) a couple months ago. All of a sudden I cannot build to Android. HelloWorld.I run Flutter in VS Code, and have been having no issues until today. We are mapping the local directory with the directory: /usr/src/myapp inside the containerĬreate a docker-compose.yml file: version: "2".Here we are specifying the Java container running version 8 of the SDK ( java:8 - to use Java 7, you could just specify: java:7).Project dependencies are installed within the container - so if you mess up your config you can simply nuke the container and start again.Very easy to switch to different versions of Java by simply changing the tag on the container.No need to set up any version of Java on your local machine (you'll just run Java within a container which you pull from Docker Hub).You can simply run your application within the official JDK container - meaning that you don't have to worry about getting everything set up on your local machine (or worry about running multiple different versions of the JDK for different apps etc)Īlthough this might not help you with your current installation issues, it is a solution which means you can side-step the minefield of issues related with trying to get Java running correctly on your dev machine! To set JAVA_HOME: $ jenv enable-plugin exportĪn option that I am starting to really like for running applications on my local computer is to use Docker. To see all the installed java: $ jenv versionsĪbove command will give the list of installed java: * system (set by /Users/lyncean/.jenv/version)Ĭonfigure the java version which you want to use: $ jenv global oracle64-1.6.0.39 $ jenv add /Library/Java/JavaVirtualMachines/jdk1.11.0_2.jdk/Contents/Home $ echo 'eval "$(jenv init -)"' > ~/.bash_profileĪdd the installed java to jenv: $ jenv add /Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home $ echo 'export PATH="$HOME/.jenv/bin:$PATH"' > ~/.bash_profile Install and configure jenv: $ brew install jenv If you want to install/manage multiple version then you can use 'jenv': To install java 8: $ brew cask install adoptopenjdk/openjdk/adoptopenjdk8 To install latest java: $ brew cask install java Install cask (with Homebrew 0.9.5 or higher, cask is included so skip this step): $ brew tap caskroom/cask Why doesn't Oracle's installer put it where it really goes? And how can I work around this problem?Īssumption: Mac machine and you already have installed homebrew. Ironically, the "Java" control panel under System Preferences shows only Java 1.8! usr/libexec/java_home -V still only lists the old Java 1.6. I've tried adding a symbolic link to make it look like 1.8 is in the /System/Library. But /usr/libexec/java_home doesn't find 1.8, so all the posts I've found on how to set your current java version don't work. Not sure why the latest installer puts this in /Library instead of /System/Library (nor what the difference is). I ran Oracle's Java 8 installer, and the files look like they ended up at /Library/Java/JavaVirtualMachines/jdk1.8.0_05.jdkīut previous versions are at /System/Library/Java/JavaFrameworks/jdk1.6. I'm using IntelliJ 13 CE and Mac OS X 9 Mavericks. I want to do some programming with the latest JavaFX, which requires Java 8. Editors note: This question was asked in 2014, and the answers may be outdated.
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