Recently, I decided to update Android SDK. just after update, I found that one of my projects is not starting anymore. Debug reported the following errors: 05-16 19:36:02.118: E/AndroidRuntime(16193): java.lang.NoClassDefFoundError: net.sourceforge.zmanim.util.GeoLocation 05-16 19:42:37.173: E/dalvikvm(16313): Could not find class ‘net.sourceforge.zmanim.util.GeoLocation’, referenced from method com.kosherdev.toldot.DisplayData.getOuput solution I found here NoClassDefFoundError – Eclipse and Android I used to… Continue reading java.lang.NoClassDefFoundError with updated ADT