错误码：
Executing Gradle task: eclipse
Build info: MCreator 2021.2.36710, forge-1.16.5, 64-bit, 10222 MB, Windows 7, JVM 11.0.11, JAVA_HOME: C:\Program Files\Pylo\MCreator 2021.2\jdk
FAILURE: Build failed with an exception.
* What went wrong:
A problem occurred configuring root project 'cpdd_1'.
> Could not resolve all dependencies for configuration ':_compileJava_1'.
> Failed to calculate the value of task ':compileJava' property 'javaCompiler'.
> Unable to download toolchain matching these requirements: {languageVersion=8, vendor=any, implementation=vendor-specific}
> Could not GET 'https://api.adoptopenjdk.net/v3/binary/latest/8/ga/windows/x64/jdk/hotspot/normal/adoptopenjdk'.
> The server may not support the client's requested TLS protocol versions: (TLSv1.2, TLSv1.3). You may need to configure the client to allow other protocols to be used. See: https://docs.gradle.org/7.1.1/userguide/build_environment.html#gradle_system_properties
> Remote host terminated the handshake
* 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 15s
BUILD FAILED
Task completed in 23 seconds

翻译一下：
错误：
根文件ccpd_1无法导入
无法编译 :_compileJava_1
错误计算任务 :compileJava' property 'javaCompiler
无法下载达到要求的工具 {languageVersion=8, vendor=any, implementation=vendor-specific}
无法成功

@一个憨憨1451

直接把防火墙关了，然后再试试，我一次就成功了