Activer la journalisation dans HttpClient

Comment bien activer la Journalisation pour Apache Commons HttpClient

Je fais cela et ne recevant pas les messages du journal à l'exception de celui que j'ai déclenché explicitement comme un test:

public class HttpTest1 {
    static Log log = LogFactory.getLog(Class.class);

public static void main(String[] args) throws ClientProtocolException, IOException{
        log.warn("Logging Works");
        System.setProperty("org.apache.commons.logging.Log", "org.apache.commons.logging.impl.SimpleLog");

        System.setProperty("org.apache.commons.logging.simplelog.showdatetime", "true");
        System.setProperty("org.apache.commons.logging.simplelog.log.httpclient.wire", "debug");
        System.setProperty("org.apache.commons.logging.simplelog.log.org.apache.commons.httpclient", "debug");

        DefaultHttpClient client = new DefaultHttpClient();

        HttpGet method = new HttpGet("http://www.google.com");

        HttpResponse response = client.execute(method);
        BufferedReader rd = new BufferedReader(new InputStreamReader(
                response.getEntity().getContent()));

        String line = "";
        while ((line = rd.readLine()) != null) {
            System.out.println(line);
        }
    }   


}

De sortie:

Feb 28, 2012 2:16:31 PM httpTest.HttpTest1 main
WARNING: Logging Works
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Je suis à l'aide d'eclipse.

source d'informationauteur tjb

java logging

6

Cela est dû à la HttpClient version mix-up. Votre code est bien évidemment à l'aide de HttpClient 4.x API, tandis que les paramètres de connexion sont pour les anciennes Communes HttpClient libération (3.x).

Veuillez vous référer à la HttpClient 4.x guide de journalisation pour des instructions sur la configuration de l'enregistrement pour l'enregistrement différents kits.
2

http://hc.apache.org/httpcomponents-client-ga/logging.html est mauvais dans la section Log4j Exemples.

D'obtenir la pleine fil de l'exploitation forestière sur HttpClient 4.x avec Log4j utilisation:
```
log4j.category.org.apache.http.wire=DEBUG
```
1

Avez-vous également essayé, y compris la première ligne de l'exemple:
```
System.setProperty("org.apache.commons.logging.Log", "org.apache.commons.logging.impl.SimpleLog");
```
Ce devrait enregistrer le SimpleLog mise en œuvre avec commons-logging.
1

J'ai dû ajouter "commons-logging-1.2.jar" pour le build path.

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