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/* @test
* @ summary Fixed a potential NullPointerException when setting a ResponseCache that returns a null CacheRequest
* @ bug 4837267
* @ modules jdk . httpserver
* @ library / test / lib
* @ run main Test
* @ run main / othervm - Djava . net . preferIPv6Addresses = true Test
* @ author Michael McMahon
*/
import com.sun.net.httpserver.*;
import java.net.*;
import java.io.*;
import java.util.*;
import jdk.test.lib.net.URIBuilder;
public class Test
{
static class MyHandler implements HttpHandler {
public void handle(HttpExchange t) throws IOException {
byte [] b = new byte [1024 ];
int r = 0 ;
InputStream is = t.getRequestBody();
while (is.read(b) != -1 ) ;
String response = "This is the response" ;
t.sendResponseHeaders(200 , response.length());
OutputStream os = t.getResponseBody();
os.write(response.getBytes());
os.close();
}
}
public static void main(String args[]) throws Exception {
InetAddress loopback = InetAddress.getLoopbackAddress();
HttpServer server = HttpServer.create(new InetSocketAddress(loopback, 0 ), 0 );
server.createContext("/" , new MyHandler());
server.start();
ResponseCache bak = ResponseCache.getDefault();
try {
ResponseCache.setDefault(new ResponseCache() {
public CacheResponse get(URI uri, String rqstMethod, Map<String,List<String>> rqstHeaders)
throws IOException {
return null ;
}
public CacheRequest put(URI uri, URLConnection conn) throws IOException
{
return null ;
}
});
URL url = URIBuilder.newBuilder()
.scheme("http" )
.host(server.getAddress().getAddress())
.port(server.getAddress().getPort())
.path("/" )
.toURL();
URLConnection urlc = url.openConnection(Proxy.NO_PROXY);
InputStream is = urlc.getInputStream();
while (is.read() != -1 ) ;
is.close();
} finally {
ResponseCache.setDefault(bak);
server.stop(0 );
}
}
}
Messung V0.5 in Prozent C=96 H=92 G=93
¤ Dauer der Verarbeitung: 0.22 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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