This error often encountered in fact, is not there will be a little inexplicable, error log is printed as follows
Log tips, you can view the solution to https://developer.atlassian.com/x/mQAN, said that the problem may depend bundle referenced After viewing, then look at the log there is "javafx.scene.layout", followed by idea of global search, it was found that there was a place like lead wrong, give him the right to change the class path on it