@Test
public void testInvokeException() {

    Invoker<AccessLogFilterTest> invoker = new MyInvoker<AccessLogFilterTest>(null);
    Invocation invocation = new MockInvocation();
    LogUtil.start();
    accessLogFilter.invoke(invoker, invocation);
    assertEquals(1, LogUtil.findMessage("Exception in AccessLogFilter of service"));
    LogUtil.stop();
}