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Given the older jvm / gradle it's possible that your repo only supports tls 1.2 for https (as it should) but jvm / gradle are unable to negotiate tls version (or perhaps ciphers). AFK atm to lookup jvm tls debug property to show more details. If possible run a newer Gradle version on a newer jvm (version 11 or 17 for LTS), using tool chain for compiling at Java 8.

ok,tkx,i can't upgrade jdk version,but i can upgrade gradle version，i will be try upgrade gradle 7.5

The TLS handshake is at the JVM level, not inside Gradle.

should be able to update the JVM and use Gradle toolchain (in newer versions of Gradle) to still compile on JDK 8 (where Gradle itself would be running on Java 11 or above).