The breakpoint automatically enters the URLClassPath.class class when solving the debug

Forwarded from: http://blog.sina.com.cn/s/blog_447dca3d01015yqf.html

Problem: When debugging a class in eclipse, the result breakpoint jumps to URLClassPath.class first every time, but this class does not No breakpoint was hit.

Reason: After searching, it was found that eclipse suspended execution on an uncaught exception.

The solution is:
remove Window>Preferences>Java>Debug>Suspend execution on uncaught exceptions