“SecurityException: sealing violation” when starting Derby connection

Question

I need do start the derby server from my java application using \"org.apache.derby.drda.NetworkServerControl\" class.
When I try to start the server it thro

Answer 1

I has this problem in Squirrel. I tried to add a new Derby embedded driver and I had the error.

Then I closed Squirrel, removed derby**.jar from "c:\Program Files\squirrel-sql-3.5.0\lib\", started Squirrel and added the new driver successfully.