How do you properly turn on Logging for Apache Commons HttpClient
Right now I am doing this and getting no log messages except the one I triggered explicitly as a 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);
}
}
}
Output:
Feb 28, 2012 2:16:31 PM httpTest.HttpTest1 main
WARNING: Logging Works
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I am using eclipse.
Best Answer
I faced same problem today. And I found out a solution for this problem. It's pretty simple. Just add
jcl-over-slf4j
dependency to forward JCL logging (Apache Commons Logging) to slf4j.After that you can config log file as Log4j Examples. If you use
logback
you can put the following to yourlogback.xml
Or if you use
log4j