It generally means that one of the libraries that were in the classpath during compilation are not in the classpath at runtime. Which class is missing? Is its jar file in the WEB-INF/lib directory?
In an effort to help you get the most from our forums, we've compiled a list of tips for asking questions here. You can find the list in our FAQ section here. In particular please see: UseRealWords
Abbreviations such as "u" or "ur" in place of "you" and "you are" or "you're" confound language translation software making it hard for our non-English speaking members to read your posts. "plz" is not a word in the English language.
Again, welcome to JavaRanch and good luck with your question. -Ben