weex run android 失败

[zhangweihong]

weex run android
[√] Compile JSBundle done
[√] Use HWPCT
[√] Start hotreload server done
[√] Set native config done
[√] Copy JS source done
[√] Watch JS source done
\ Total time: 20.198 secsError: Command failed: call gradlew.bat clean assembleDebug
isLibProject: false, isAppProject: true
weex_plugin: []

FAILURE: Build failed with an exception.

• What went wrong:
  A problem occurred configuring project ':app'.

java.lang.NullPointerException (no error message)

• Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

  at ChildProcess.exithandler (child_process.js:295:12)
  at ChildProcess.emit (events.js:210:5)
  at maybeClose (internal/child_process.js:1021:16)
  at Process.ChildProcess._handle.onexit (internal/child_process.js:283:5)

[cnryb]

使用 Android studio 打开生成的安卓工程运行，那里能看到更详细的信息。