/*
* Copyright ( c ) 1998 , 2019 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
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* questions .
*/
/**
* @ test
* @ bug 4151665
* @ modules jdk . httpserver
* @ library / test / lib
* @ summary Test for FileNotFoundException when loading bogus class
*/
import java.io.InputStream;
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.URL;
import java.net.URLClassLoader;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import jdk.test.lib.net.URIBuilder;
public class ClassLoad {
public static void main(String[] args) throws Exception {
boolean error = true ;
// Start a dummy server to return 404
HttpServer server = HttpServer.create();
server.bind(new InetSocketAddress(
InetAddress.getLoopbackAddress(), 0 ), 0 );
HttpHandler handler = new HttpHandler() {
public void handle(HttpExchange t) throws IOException {
InputStream is = t.getRequestBody();
while (is.read() != -1 );
t.sendResponseHeaders (404 , -1 );
t.close();
}
};
server.createContext("/" , handler);
server.start();
// Client request
try {
URL url = URIBuilder.newBuilder()
.scheme("http" )
.loopback()
.port(server.getAddress().getPort())
.toURL();
String name = args.length >= 2 ? args[1 ] : "foo.bar.Baz" ;
ClassLoader loader = new URLClassLoader(new URL[] { url });
System.out.println(url);
Class c = loader.loadClass(name);
System.out.println("Loaded class \" " + c.getName() + " \"." );
} catch (ClassNotFoundException ex) {
System.out.println(ex);
error = false ;
} finally {
server.stop(0 );
}
if (error)
throw new RuntimeException("No ClassNotFoundException generated" );
}
}
Messung V0.5 in Prozent C=96 H=83 G=89
¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet am 2026-10-11)
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