Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema
at com.android.repository.api.SchemaModule$SchemaModuleVersion.(SchemaModule.java:156)
at com.android.repository.api.SchemaModule.(SchemaModule.java:75)
at com.android.sdklib.repository.AndroidSdkHandler.(AndroidSdkHandler.java:81)
at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:73)
at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:48)
Caused by: java.lang.ClassNotFoundException: javax.xml.bind.annotation.XmlSchema
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 5 more
Using Java 12, these are the steps I followed to bypass this warning. Thanks to Wang Qian.
Navigate to the path where the android sdk is installed such as the following.
%LOCALAPPDATA%\Android\Sdk\tools\bin
Edit sdkmanager.bat with a text editor such as notepad.
Find the following lines at approximately line 70.
@rem Execute sdkmanager
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %SDKMANAGER_OPTS% -classpath "%CLASSPATH%" com.android.sdklib.tool.sdkmanager.SdkManagerCli %CMD_LINE_ARGS%
Just above those lines, paste the following code.
set CLASSPATH=%CLASSPATH%;%APP_HOME%\mylib\jaxb-api.jar
set CLASSPATH=%CLASSPATH%;%APP_HOME%\mylib\jaxb-core.jar
set CLASSPATH=%CLASSPATH%;%APP_HOME%\mylib\jaxb-impl.jar
set CLASSPATH=%CLASSPATH%;%APP_HOME%\mylib\jaxb-jxc.jar
set CLASSPATH=%CLASSPATH%;%APP_HOME%\mylib\jaxb-xjc.jar
set CLASSPATH=%CLASSPATH%;%APP_HOME%\mylib\activation.jar
Create a new folder called mylib in the tools folder of your android sdk installation.
%LOCALAPPDATA%\Android\Sdk\tools\mylib
Download the latest version of the following 6 jar files and place them in the mylib folder.
Remove the versioning in the filenames to match the filenames set in the sdkmanager.bat file. You should now have the following files.
%LOCALAPPDATA%\Android\Sdk\tools\mylib\activation.jar
%LOCALAPPDATA%\Android\Sdk\tools\mylib\jaxb-api.jar
%LOCALAPPDATA%\Android\Sdk\tools\mylib\jaxb-core.jar
%LOCALAPPDATA%\Android\Sdk\tools\mylib\jaxb-impl.jar
%LOCALAPPDATA%\Android\Sdk\tools\mylib\jaxb-jxc.jar
%LOCALAPPDATA%\Android\Sdk\tools\mylib\jaxb-xjc.jar
All set! Now run your sdkmanager --update command
%LOCALAPPDATA%\Android\sdk\tools\bin\sdkmanager --update