error with org.glassfish.metro.webservices-rt > 2.4.4

[pcouas]

Hi
I have error on

final StringWriter stringWriter = new StringWriter();
new MockUp() {

@Mock

void error(String format, Object... arguments) {
boolean isFirst = true;
for (Object arg : arguments) {
if (!isFirst) {
stringWriter.append("#");
}
stringWriter.append(String.valueOf(arg));
isFirst = false;
}
}
};

when i use org.glassfish.metro.webservices-rt 2.4.5

regards