2023-09-14

How To Fix Java.Lang.NoClassDefFoundError: Javax/xml/bind/annotation/xmlschema When Install Android SDK

To fix the java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema when installing the Android SDK, you might encounter a compatibility issue between the version of Java you are using and the Android SDK tools. Here are the steps to resolve this issue:

Step 1: Verify Java Version

Ensure that you are using a compatible version of Java. The Android SDK is generally consistent with Java 8. You can check your Java version by running the following command in your terminal:

java -version

If you use a version later than 8, consider installing Java 8 and setting it as the default.

Step 2: Set JAVA_HOME Environment Variable

Ensure that the JAVA_HOME environment variable is set to point to the correct Java JDK directory. You can set it using the following commands:

For Linux/Unix/macOS:

export JAVA_HOME=/path/to/your/jdk

For Windows:

set JAVA_HOME=C:\path\to\your\jdk

Step 3: Add JAXB Libraries

If you are using a version of Java later than 8, you must add the JAXB libraries to your classpath. You can do this in several ways:

Maven

If you are using Maven, add the following dependency to your pom.xml:

<dependency>
    <groupId>javax.xml.bind</groupId>
    <artifactId>jaxb-api</artifactId>
    <version>2.3.1</version>
</dependency>

Gradle

If you are using Gradle, add the following dependency to your build.gradle:

dependencies {
    implementation 'javax.xml.bind:jaxb-api:2.3.1'
}

Manual Download

Download the JAXB JAR files manually and add them to your classpath. You can find the necessary JAR files on the Maven Repository website.

Step 4: Use the –add-modules Option

If you are running your application from the command line, you can use the --add-modules option to add the JAXB module at runtime. Here’s an example:

java --add-modules java.xml.bind -jar your_application.jar

Step 5: Reinstall Android SDK

Try reinstalling the Android SDK to see if the issue is resolved.

Step 6: Consult Android SDK Documentation

If the issue persists, consult the Android SDK documentation or community forums for guidance on resolving this error.

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