java.lang.System.currentTimeMillis() replace method

Question

Aside from recompiling rt.jar is there any way I can replace the currentTimeMillis() call with one of my own?

1# The right way to

Answer 1

As discussed in the comments, it is possible that option #3 in the original question has actually worked, successfully replacing the default System class.

If that is true, then application code which calls currentTimeMillis() will be calling the replacement, as expected.

Perhaps unexpectedly, core classes like java.util.Timer would also get the replacement!

If all of the above are true, then the root cause of the crash could be the successful replacement of the System class.

To test, you could instead replace System with a copy that is functionally identical to the original to see if the crashes disappear.

Unfortunately, if this answer turns out to be correct, it would seem that we have a new question. :) It might go like this:

"How do you provide an altered System.currentTimeMillis() to application classes, but leave the default implementation in place for core classes?"