Build fails

[MusicMaker]

Ubuntu 23.10 default install

./gradlew build

Task :compileJava FAILED

FAILURE: Build failed with an exception.

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

Could not find tools.jar. Please check that /usr/lib/jvm/java-8-openjdk-amd64 contains a valid JDK installation.

• 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 738ms
1 actionable task: 1 executed

java -version
openjdk version "1.8.0_402"
OpenJDK Runtime Environment (build 1.8.0_402-8u402-ga-2ubuntu1~23.10.1-b06)
OpenJDK 64-Bit Server VM (build 25.402-b06, mixed mode)

ll /usr/lib/jvm
total 52
drwxr-xr-x 8 root root 4096 Mar 19 09:47 ./
drwxr-xr-x 157 root root 12288 May 26 11:05 ../
lrwxrwxrwx 1 root root 25 Jan 12 2023 default-java -> java-1.17.0-openjdk-amd64/
lrwxrwxrwx 1 root root 21 Jul 22 2022 java-1.11.0-openjdk-amd64 -> java-11-openjdk-amd64/
-rw-r--r-- 1 root root 2047 Jan 20 18:27 .java-1.11.0-openjdk-amd64.jinfo
lrwxrwxrwx 1 root root 21 May 6 2023 java-1.17.0-openjdk-amd64 -> java-17-openjdk-amd64/
-rw-r--r-- 1 root root 1773 Jan 17 19:09 .java-1.17.0-openjdk-amd64.jinfo
drwxr-xr-x 9 root root 4096 Feb 28 10:36 java-11-openjdk-amd64/
drwxr-xr-x 9 root root 4096 Feb 28 10:36 java-17-openjdk-amd64/
lrwxrwxrwx 1 root root 20 Jul 24 2022 java-1.8.0-openjdk-amd64 -> java-8-openjdk-amd64/
-rw-r--r-- 1 root root 2670 Feb 27 22:37 .java-1.8.0-openjdk-amd64.jinfo
drwxr-xr-x 5 root root 4096 Aug 27 2022 java-8-openjdk-amd64/
drwxr-xr-x 9 10668 10668 4096 Aug 27 2022 jdk-18/
drwxr-xr-x 2 root root 4096 Feb 28 10:36 openjdk-11/
drwxr-xr-x 2 root root 4096 Feb 28 10:36 openjdk-17/