Talend DI V8 : Exception in thread “main” java.lang.NoClassDefFoundError: javax/xml/bind/DatatypeConverter

The error message you’re encountering indicates a NoClassDefFoundError related to the javax.xml.bind.DatatypeConverter class. This issue typically occurs when you’re trying to use a class that’s not available in the runtime environment, which could be due to changes in Java versions or missing dependencies.

The class javax.xml.bind.DatatypeConverter is part of the Java API for XML Binding (JAXB), which has undergone changes in Java versions. In Java 8, this class was part of the java.xml.bind package, but starting from Java 9, it has been deprecated and removed in favor of modules.

To address this issue, consider the following steps:

1. Check Java Version: Make sure you’re using a compatible Java version. If you’re using Java 9 or later, the javax.xml.bind package has been removed, and you might need to update your code or dependencies accordingly.
2. Add JAXB Dependency: If your application relies on JAXB classes like DatatypeConverter, you might need to add the appropriate JAXB dependency to your project. For Java 9 and later, you can include the jakarta.xml.bind module (or its equivalent in your build tool) to get access to JAXB classes.
3. Review Talend Version: Ensure that the version of Talend DI you’re using is compatible with the Java version you’re using. Talend DI might have specific requirements regarding Java versions and dependencies.
4. Check Classpath: Make sure that you haven’t accidentally included conflicting versions of libraries in your project’s classpath. Ensure that your project’s dependencies are correctly managed.
5. Update Talend DI: If you’re using an older version of Talend DI, consider updating to a newer version that is compatible with your Java version.
6. Configuration or Options: Talend DI might have configuration options to specify the Java runtime or other settings. Make sure that your configuration is set up correctly.
7. Check Talend Documentation: Consult the official documentation of Talend DI for guidance on compatibility with different Java versions and any specific steps you need to take to address this issue.
8. Stack Trace and Context: If the error message provides a stack trace, review it to understand where the issue is originating. This might give you clues about which part of your application or which Talend component is causing the error.
9. Ask for Support: If you’re still facing issues, consider reaching out to Talend’s support or community forums. Others who use Talend might have encountered similar issues and can provide assistance.

Remember that the removal of certain classes or packages in Java versions might require adjustments in your code or dependencies. Keeping your software up to date and aligning your project’s dependencies with the Java version you’re using will help prevent such issues.