Checkstyle Eclipse plugin doesn't work

Question

I\'m using eclipse checkstyle plugin with Juno Eclipse distribution. Anytime the code is checked for checkstyle error I get the following error:

cannot initiali         


        

Answer 1

Open the Checkstyle preferences, create your own Check Configuration, go into your own check configuration, find the TreeWalker module, click it and then un-check the DoubleCheckedLocking. As simple as that.