Why is my Java project throwing a 'java.lang.ClassNotFoundException: Didn't find class on path: dexpathlist'?

Error: java.lang.ClassNotFoundException: Didn't find class on path: dexpathlist

Problem:

When running a Java project, you encounter the "java.lang.ClassNotFoundException: Didn't find class on path: dexpathlist" error, indicating that the specified class cannot be found in the classpath.

Solution:

To resolve this issue, consider the following steps:

1. Check Activity Name: Verify that the Activity name specified in the AndroidManifest.xml matches the Activity class name defined in your code. In this case, the Activity name "android.app.POMActivity" in the manifest does not correspond to the actual class defined in the main.cpp file.
2. Disable Instant Run: If you are using Android Studio's Instant Run feature, disabling it can sometimes resolve the ClassNotFoundException. Navigate to File -> Settings -> Build, Execution, Deployment -> Instant Run and uncheck the checkbox for "Enable Instant Run".
3. Clean and Rebuild: Perform a full clean and rebuild of your project. Delete the build folder and rebuild the project to eliminate any corrupted files or classpath issues.
4. Include Necessary Libraries: Ensure that all required libraries are included in your project's build path. Check the LDLIBS and STATIC_LIBRARIES sections in your Android.mk file to include libraries such as Irrlicht and android_native_app_glue.
5. Check Classpath: Verify the classpath specified in your build configuration to ensure that it includes the necessary directories containing the missing class.

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