/*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed with
* this work for additional information regarding copyright ownership .
* The ASF licenses this file to You under the Apache License , Version 2 . 0
* ( the " License " ) ; you may not use this file except in compliance with
* the License . You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
package async;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import jakarta.servlet.AsyncContext;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
public class Async2 extends HttpServlet {
private static final long serialVersionUID = 1 L;
private static final Log log = LogFactory.getLog(Async2.class );
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
final AsyncContext actx = req.startAsync();
actx.setTimeout(30 *1000 );
Runnable run = new Runnable() {
@Override
public void run() {
try {
Thread .currentThread().setName("Async2-Thread" );
log.info("Putting AsyncThread to sleep" );
Thread .sleep(2 *1000 );
log.info("Writing data." );
Date date = new Date(System.currentTimeMillis());
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z" );
actx.getResponse().getWriter().write(
"Output from background thread. Time: " + sdf.format(date) + "\n" );
actx.complete();
}catch (InterruptedException | IllegalStateException | IOException x) {
log.error("Async2" ,x);
}
}
};
Thread t = new Thread (run);
t.start();
}
}
Messung V0.5 in Prozent C=98 H=74 G=86
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-02)
¤
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