我正在尝试构建一个 gradle 项目，但是当我尝试时，$ gradle build我得到以下输出：
Starting a Gradle Daemon (subsequent builds will be faster)
> Task :jar FAILED
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':jar'.
> Entry .classpath is a duplicate but no duplicate handling strategy has been set. Please refer to https://docs.gradle.org/7.0/dsl/org.gradle.api.file.CopySpec.html#org.gradle.api.file.CopySpec:duplicatesStrategy for details.
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan …