Flutter Doctor –android-licenses : Exception in thread “main” java.lang.NoClassDefFoundError
![Flutter Doctor --android-licenses : Exception in thread "main" java.lang.NoClassDefFoundError](https://coderog.com/wp-content/uploads/2021/09/flutter-doctor-android-licenses-exception-in-thread-main-java-lang-noclass.png)
Flutter Error – Flutter Doctor –android-licenses : Exception in thread “main” java.lang.NoClassDefFoundError
Sometimes flutter won’t accept the android license. It will get the following error:
C:\Users\Chamara>flutter doctor --android-licenses
Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema
at com.android.repository.api.SchemaModule$SchemaModuleVersion.<init>(SchemaModule.java:156)
at com.android.repository.api.SchemaModule.<init>(SchemaModule.java:75)
at com.android.sdklib.repository.AndroidSdkHandler.<clinit>(AndroidSdkHandler.java:81)
at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:73)
at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:48)
Caused by: java.lang.ClassNotFoundException: javax.xml.bind.annotation.XmlSchema
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
... 5 more
This is what flutter doctor returns:
![flutter-doctor-android-licenses-exception-in-thread-main-java-lang-noclass](https://coderog.com/wp-content/uploads/2021/09/flutter-doctor-android-licenses-exception-in-thread-main-java-lang-noclass-2-1024x318.png)
We have two methods to solve this problem.
Method 1
Installing Android SDK Command-line tools from Android SDK Manager did the job for me.
- Open Android Studio
- Tools > SDK Manager
- From the left choose, Appearance & Behavior > System Settings > Android SDK
- Select SDK Tools from the top menu
- Check Android SDK Command-line tools and click ‘apply’.
![Installing Android SDK Command-line tools android studio](https://coderog.com/wp-content/uploads/2021/09/flutter-doctor-android-licenses-exception-in-thread-main-java-lang-noclass-1-1024x740.png)
Method 2
May be you still not have Java install on your computer. So install java from https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html
After check for your JAVA_HOME path under System Variables it should be like:
C:\Program Files\Java\jre1.8.0_291
(no semi-colon and no \bin)
![JAVA_HOME path under System Variables](https://coderog.com/wp-content/uploads/2021/09/JAVA_HOME-path-under-System-Variables-933x1024.png)
restart terminal and try again with:
flutter doctor --android-licenses
if still, you are getting any error feel free to Contact Us. or Ask from our Community.