Android Eclipse NoClassDefFoundError for external .jar files

Question

I have come across a strange error. I have an Android project that uses external libraries, in particular:

• android-support-v4.jar (for Fragment support in Andr

Answer 1

If you're using Eclipse with Maven IDE (m2e) go to "Java Build Path" then "Order and Export" and finally check the item "Maven Dependencies" and pull it down to the BOTTOM of the list. You should do the same with project references in the same workspace. Every time I setup the project in a new computer that happens.