Class Search
WhatJar.co.uk helps you solve your ClassNotFoundExceptions. We will search 16407 jars to try and locate your missing class.

If we have no record of the Jar and you subsequently find it please register and add the Jar and url using the link Add jar.
Search Example: SimpleJdbcTemplate OR org.springframework.jdbc.core.simple.SimpleJdbcTemplate.class
Class
Include beta and RC jars
Search Tips
  • Enter only the class name or include the fully qualified name for a more accurate result
  • Include Beta checkbox will include Jars that are pre-release
  • Results will include the class name and the Jar name
  • Details link on results will give you a list of possible locations where the Jar can be found