java.util.logging configuration examples does not work as intended
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Key: HTTPCLIENT-696
URL: https://issues.apache.org/jira/browse/HTTPCLIENT-696
Project: HttpComponents HttpClient
Issue Type: Bug
Components: Documentation, Examples
Affects Versions: 3.1 Final
Environment: JDK 1.6, Windows XP
Reporter: Elias Zaretsky
Priority: Minor
java.util.logging configuration examples do not work as intended. Those can be
found here: http://jakarta.apache.org/httpcomponents/httpclient-3.x/logging.html
Steps to reproduce:
1. Create a simple project using HttpClient (see listing below) and JDK 1.6 (I
suppose it is JDK 1.4 or higher, but I did not test anything other than 1.6).
Without log4j in the classpath and without any commons-logging system
properties set, java.util.logging is automatically selected by commons-logging.
2. Create logging.properties file as shown in any of the java.util.logging
examples
3. Run a program, passing -Djava.util.logging.config.file=logging.properties
argument to the JVM
Expected results:
Quite a few log messages should be sent to System.err
Actual results:
Unless there is an I/O error encountered, no log messages are sent to System.err
The problem, as far as I can see, is caused by the default logging level of
java.util.logging.ConsoleHandler, which is set to INFO. In order for any log
messages to go through, the log hadler log level needs to be lower than logged
messages log level. Adding the following line to all java.util.logging examples
should fix the problem:
java.util.logging.ConsoleHandler.level = ALL
--- Get.java -----------------------------------------
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import org.apache.commons.httpclient.HostConfiguration;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.HttpMethodBase;
import org.apache.commons.httpclient.methods.GetMethod;
public class Get {
/**
* @param args
*/
public static void main(String[] args) {
HttpClient client = new HttpClient();
HttpMethodBase get = new GetMethod("http://www.apache.org";);
try {
int code = client.executeMethod(get);
System.out.println("Status code: " + code);
String csn = get.getResponseCharSet();
System.out.println("Charset is: " + csn);
long len = get.getResponseContentLength();
System.out.println("Length is: " + len);
len = len < 0 ? 200 : len;
StringBuilder buf = new StringBuilder((int)len);
Reader r = new
InputStreamReader(get.getResponseBodyAsStream(), csn);
for (int c = r.read(); c >= 0; c = r.read()) {
buf.append((char)c);
}
System.out.println("Body:");
System.out.println(buf.toString());
} catch (HttpException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
get.releaseConnection();
}
}
}
--- logging.properties ----- From examples ----------------------
.level=INFO
handlers=java.util.logging.ConsoleHandler
java.util.logging.ConsoleHandler.formatter = java.util.logging.SimpleFormatter
httpclient.wire.header.level=FINEST
org.apache.commons.httpclient.level=FINEST
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