[已解决]Gradle 3.0 出现问题

使用Gradle3.0的时候报错：

 Gradle sync failed: Cause: org.gradle.api.internal.tasks.DefaultTaskInputs$TaskInputUnionFileCollection cannot be cast to org.gradle.api.internal.file.collections.DefaultConfigurableFileCollection

         Consult IDE log for more details (Help | Show Log)


Failed to sync Gradle project 'mi-cashier-android'
Error:Cause: org.gradle.api.internal.tasks.DefaultTaskInputs$TaskInputUnionFileCollection cannot be cast to org.gradle.api.internal.file.collections.DefaultConfigurableFileCollection
Possible causes for this unexpected error include:

• Gradle's dependency cache may be corrupt (this sometimes occurs after a network connection timeout.)
  Re-download dependencies and sync project (requires network)
• The state of a Gradle build process (daemon) may be corrupt. Stopping all Gradle daemons may solve this problem.
  

  Stop Gradle build processes (requires restart)

• Your project may be using a third-party plugin which is not compatible with the other plugins in the project or the version of Gradle requested by the project.

In the case of corrupt Gradle processes, you can also try closing the IDE and then killing all Java processes.

具体的问题没有调查清楚，

解决的办法

可以暂时的将Gradle降为2.14.1 就可以了

如何修改这里的Gradle包，请参考：

2.7-3 Android Studio 的Gradle一点理解, 查看gradle 版本和android 插件的版本