Try to issues on Windows and Java 15-ea.
MODIFY
.github/workflows/maven.yml
.github/workflows/maven.yml
@@ -31,6 +31,9 @@ jobs:
- java: 15-ea
os: ubuntu-latest
experimental: true
+ - java: 15-ea
+ os: windows-latest
+ experimental: true
fail-fast: false
steps:

Try to issues on Windows and Java 15-ea.