no message

src/main/java/cokr/xit/base/ResponseHeaderFilter.java

@@ -4,6 +4,7 @@ import java.io.IOException;
 
 import javax.servlet.Filter;
 import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
 import javax.servlet.ServletException;
 import javax.servlet.ServletRequest;
 import javax.servlet.ServletResponse;
@@ -23,6 +24,10 @@ public class ResponseHeaderFilter implements Filter {
     @Override
 	public void destroy() {}
 
+    @Override
+	public void init(FilterConfig filterConfig) {}
+
+
 	@Override
 	public void doFilter(ServletRequest request, ServletResponse response,
     		FilterChain chain) throws IOException, ServletException {