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Install Java. We recommend the OpenJDK Adoptium Temurin 8 or 11.

We strongly recommend that you use the latest version of Java.

For versions before Java 1.8.0_151, you must install the JCE Unlimited Strength Jurisdiction Policy files.

Step 1 Download and Install Java

On Windows

  1. From the Adoptium home page https://adoptium.net, select Termurin 8 or 11.
    This download is equivalent to the Adopt Open JDK HotSpot build of Java for 64 bit architectures.
  2. Click the Latest release button to download an installation package.
  3. Complete the installation process as directed by the package, accepting all defaults.

On Linux

  1. Download Java from the Adoptium download page:
  2. Follow the installation instructions on the download page

?? Alternatively, download the binaries for Adoptium Temurin 8 or 11 from GitHub as follows

cd /tmp
wget https://github.com/adoptium/temurin8-binaries/releases/download/jdk8u312-b07/OpenJDK8U-jdk_x64_linux_hotspot_8u312b07.tar.gz
https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public


Remove the temporary files from /tmp:

rm adoptopenjdk-keyring.gpg* public

Step 2 Configure Security

Update the security settings to allow strong encryption and decryption of files.

1. Go to the JRE directory /lib/security/java.security file.

If you have installed a JDK rather than a JRE, you will find this directory under JAVA_BASE_INSTALLATION/jre, for example:
   C:\Program Files\Eclipse Adoptium\jdk-8.0.312.7-hotspot\jre

2. Set the crypto.policy to unlimited for the JRE used by PhixFlow, by deleting the #" to uncomment the line:
    - from: # crypto.policy=unlimited
    - to:    crypto.policy=unlimited

Step 3 Optionally Set the Environment Variable

Some installation processes set the environment variable JAVA_HOME for you automatically. If not, you do not need to set it. However, if you want to set it, specify the base installation directory of Java, for example:

  • On  Windows:  C:\Program Files\Eclipse Adoptium\jdk-8.0.312.7-hotspot
  • On Linux:  /usr/lib/jvm/adoptopenjdk-11-hotspot-amd64



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