配置Flutter开发环境时,运行sdkmanager –update报错在执行flutter doctor后,提示Android license status unknown。google后知,可以运行flutter doctor –android-licenses,会给出具体的解决方法。结果如下:A newer version of the Android SDK is required. To update, run: AndroidSDK/tools/bin/sdkmanager –update执行sdkmanager –update,报错:Exception in thread “main” java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema继续google后,发现是因为JDK版本过高,安装jdk1.8后问题解决。