Causes test case failures: https://github.com/AdoptOpenJDK/openjdk-tests/issues/2373 https://ci.adoptopenjdk.net/job/Test_openjdk16_j9_extended.openjdk_aarch64_linux/12/consoleFull Main symptom is: ``` 19:02:36 Caused by: java.lang.NullPointerException: Cannot load from short array because "sun.awt.FontConfiguration.head" is null ``` Issue likely resolved by solutions in here: https://github.com/AdoptOpenJDK/openjdk-docker/issues/75#issuecomment-481562807