Java 失败：生成失败，出现异常（无法解析配置的所有文件：'；：app:lintClassPath'；）

我有一个错误：

失败：生成失败，出现异常

出了什么问题：

任务执行失败：应用程序：lintVitalFreeRelease.

> Could not resolve all files for configuration ':app:lintClassPath'.
> Could not download lint-kotlin.jar (com.android.tools.lint:lint-kotlin:26.2.1): No cached version available for offline mode
> Could not download intellij-core.jar (com.android.tools.external.com-intellij:intellij-core:26.2.1): No cached version available for offline mode
> Could not download uast.jar (com.android.tools.external.org-jetbrains:uast:26.2.1): No cached version available for offline mode
> Could not download groovy-all.jar (org.codehaus.groovy:groovy-all:2.4.12): No cached version available for offline mode
> Could not download kotlin-compiler.jar (com.android.tools.external.com-intellij:kotlin-compiler:26.2.1): No cached version available for offline mode
> Could not download error_prone_annotations.jar (com.google.errorprone:error_prone_annotations:2.0.18): No cached version available for offline mode

* 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.

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如何解决此问题？

看起来您已启用脱机模式：

请尝试取消选中“设置”下的“脱机工作”，同步渐变，然后重试