From: tackline on
On Jul 2, 8:05 pm, FutureScalper <futurescal...(a)gmail.com> wrote:

> Exception in thread "AWT-EventQueue-0" java.lang.SecurityException:
> class "com.twc.trader.SupportResistanceDialog$1"'s signer information
> does not match signer information of other classes in the same package
>         at java.lang.ClassLoader.checkCerts(Unknown Source)

This security check dates back over a decade. This exception may now
show up now because of the mixed code fix or some other change in
6u18/6u19/6u20. It's even possible that it's just a race condition
that has been disturbed.

Tom Hawtin