Gradle 任务'；shadowJar'；在根项目中找不到'；纸质合同'；

我在digibank中安装链码时出错。 对等生命周期链码安装cp.tar.gz

商业票据（java）

Welcome to Gradle 5.6.2!

Here are the highlights of this release:
 - Incremental Groovy compilation
 - Groovy compile avoidance
 - Test fixtures for Java projects
 - Manage plugin versions via settings script

For more details see https://docs.gradle.org/5.6.2/release-notes.html

Starting a Gradle Daemon (subsequent builds will be faster)

FAILURE: Build failed with an exception.

* What went wrong:
Task 'shadowJar' not found in root project 'papercontract'.

* Try:
Run gradlew tasks to get a list of available tasks. 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 2m 7s

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若其他人遇到此问题，请将shadow-build.gradle重命名为build.gradle，然后再次尝试“打包并安装”命令