Where to find Java Mission Control and VisualVM on Ubuntu (OpenJDK 8)?

Question

I installed OpenJDK 8 on Ubuntu using sudo apt-get install openjdk-8-jdk, and it was installed to /usr/lib/jvm/java-8-openjdk-amd64.

Where

Answer 1

Some OpenJDK distribution maintainers are now providing jmc builds like AdoptOpenJDK, Amazon Corretto or Azul Zulu.

Java Mission Control (jmc) is open source and hosted on GitHub and openjdk.java.net (as a Mercurial repository).

Official nightly builds are available here.

It is also rather easy to build jmc yourself using the instructions from the readme file:

hg clone http://hg.openjdk.java.net/jmc/jmc/
cd jmc/releng/third-party
mvn p2:site
mvn jetty:run

In a different terminal:

cd core
mvn clean install
cd ..
mvn package

After installing, you can close the Jetty server running in the first terminal.

Alternatively, you can use Docker to build jmc:

docker-compose -f docker/docker-compose.yml run jmc

To launch jmc:

• on Linux: target/products/org.openjdk.jmc/linux/gtk/x86_64/jmc
• on macOS: target/products/org.openjdk.jmc/macosx/cocoa/x86_64/JDK\ Mission\ Control.app/Contents/MacOS/jmc
• on Windows: target\products\org.openjdk.jmc\win32\win32\x86_64\jmc.exe

You should see a splash screen now:

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More info in this blog post.