java.lang.NoClassDefFoundError: org/apache/commons/collections/ReferenceMap

Question

Really newbie in java, Spanish-speaker, so, ill do my best for you to understand me :). I made a program which manages a mysql database for storing clientes, information abo

Answer 1

Well, problem solved! I just had to downgrade collections to 3.2.1, and that worked, well.. partially, because i kept having errors about other classes (joda-time, commons-digester and javax-servlet). And in some cases, downloading latest version didnt work, just downloading a previous one. So, my report came flawless after that. Thank you very much for your help!! :)