jd-gui fails to build

[rparkins999]

rparkins@rparkins48:\~/Documents/LinuxCode> git clone https://github.com/java-decompiler/jd-gui.git Cloning into 'jd-gui'... remote: Enumerating objects: 5044, done. remote: Total 5044 (delta 0), reused 0 (delta 0), pack-reused 5044 Receiving objects: 100% (5044/5044), 55.64 MiB | 3.76 MiB/s, done. Resolving deltas: 100% (2271/2271), done. rparkins@rparkins48:\~/Documents/LinuxCode> cd jd-gui rparkins@rparkins48:\~/Documents/LinuxCode/jd-gui> ./gradlew build

... lots of warnings ...

FAILURE: Build failed with an exception.

• What went wrong: Execution failed for task ':proguard'.

  java.io.IOException: Please correct the above warnings first.

• Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

• Get more help at https://help.gradle.org

BUILD FAILED in 44s 11 actionable tasks: 11 executed rparkins@rparkins48:\~/Documents/LinuxCode/jd-gui>

Entire build output is attached. jd-gui-fail.txt

[byates-fleetian]

I ran into this exact issue as well. I am using JDK 11.

[CyberJosie]

Do this on Debian:

sudo apt-get install -y openjdk-8-jdk
sudo update-alternatives --config java

Select JDK 8. This worked for me.