when trying to load the derby drive using the below code

String driver = "org.apache.derby.jdbc.EmbeddedDriver";

try{
    Class.forName(driver);
} catch(java.lang.ClassNotFoundException e) {
    e.printStackTrace();
}

I get the following error.

Feb 13, 2010 10:44:31 PM
com.google.appengine.tools.development.ApiProxyLocalImpl log
SEVERE: [1266101071443000] javax.servlet.ServletContext log: Exception
while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method
'public abstract java.lang.String
com.experiment.client.GreetingService.greetServer(java.lang.String)
throws java.lang.IllegalArgumentException' threw an unexpected
exception: java.lang.ExceptionInInitializerError
        at
com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:
378)

Further down the stack trace I get the below error making me wonder if
everything is set up correctly but something is blocking me from
setting up the driver.

Caused by: java.security.AccessControlException: access denied
(java.lang.RuntimePermission modifyThreadGroup)

Any help is appreciated it Googled the problem but was never able to
find a solution.

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