The error message you’re seeing, java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema, is occurring because the JAXB (Java Architecture for XML Binding) classes are not in the classpath. This is a common issue when using Java versions nine and above, as these classes were removed from the default classpath. Here’s how you can resolve this issue when trying to install … Failed to install android-sdk: “java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema” okumayı sürdür