Android app crashes after SDK-tools update version (NoClassDefFound, tool version 22)

Question

I have just updated my android SDK tools to the newly released version (tools version 22, platform tools version 17)

java.lang.NoClassDefFoundError
         


        

Answer 1

I had similar issue, following two steps fixed it:-

1. Java Build Path -> Order and Export tab.

2. Then "Project -> Clean".