Hi,
I am trying to programmatically tur on the log on wire for Http. I tried
using system properties as described in http logging guide.
http://jakarta.apache.org/commons/httpclient/logging.html.
But it seems as it doesn't take effect.
Below are 2 piece of code I wrote with/without logging on and both give
same output.
Code 1: Without logging:
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________________________________________________
import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.methods.*;
import org.apache.commons.httpclient.params.HttpMethodParams;
import org.apache.commons.httpclient.auth.*;
import org.apache.commons.httpclient.SimpleHttpConnectionManager;
//import org.apache.commons.*;
import java.io.*;
public class HttpClientNew_log {
private static String url = "http://tern:80/VAutomation/basic";;
public static void main(String[] args) {
// Create an instance of HttpClient.
HttpClient client1 = new HttpClient();
HttpMethod _method1 = new GetMethod(url);
HttpState _httpState1 = new HttpState();
HostConfiguration hostConfig1 = new HostConfiguration();
hostConfig1.setHost("tern",80);
try {
// Execute the method.
int statusCode =
client1.executeMethod(hostConfig1,_method1,_httpState1);
System.out.println("Status code :" + statusCode);
if (statusCode != HttpStatus.SC_OK) {
System.err.println("Method failed: " + _method1.getStatusLine()
+ "StatusCode:" + statusCode);
}
// Read the response body.
byte[] responseBody = _method1.getResponseBody();
// Deal with the response.
// Use caution: ensure correct character encoding and is not
binary data
// System.out.println("Response Body is " + new
String(responseBody));
Header[] responseHeaders = _method1.getResponseHeaders();
// Header header;
System.out.println("----------------------------------------------------
-----------------------------------");
for( Header header : responseHeaders){
System.out.println("Headers is " + header.getName() + "and the
value is :" + header.getValue());
}
} catch (HttpException e) {
System.err.println("Fatal protocol violation: " + e.getMessage());
e.printStackTrace();
} catch (IOException e) {
System.err.println("Fatal transport error: " + e.getMessage());
e.printStackTrace();
} finally {
// Release the connection.
_method1.releaseConnection();
// _method2.releaseConnection();
}
}
}
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__________________________________________________
Output:
Status code :200
May 27, 2007 9:11:48 PM org.apache.commons.httpclient.HttpMethodBase
getResponseBody
WARNING: Going to buffer response body of large or unknown size. Using
getResponseBodyAsStream instead is recommended.
------------------------------------------------------------------------
---------------
Headers is Dateand the value is :Mon, 28 May 2007 04:38:32 GMT
Headers is Serverand the value is :Apache/2.0.40 (Red Hat Linux)
Headers is Connectionand the value is :close
Headers is Transfer-Encodingand the value is :chunked
Headers is Content-Typeand the value is :text/plain; charset=ISO-8859-1
Code 2 : Trying to switch logging programmatically:
________________________________________________________________________
_________________________________________
import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.methods.*;
import org.apache.commons.httpclient.params.HttpMethodParams;
import org.apache.commons.httpclient.auth.*;
import org.apache.commons.httpclient.SimpleHttpConnectionManager;
//import org.apache.commons.*;
import java.io.*;
public class HttpClientNew_log {
private static String url = "http://tern:80/VAutomation/basic";;
public static void main(String[] args) {
// Create an instance of HttpClient.
HttpClient client1 = new HttpClient();
HttpMethod _method1 = new GetMethod(url);
HttpState _httpState1 = new HttpState();
HostConfiguration hostConfig1 = new HostConfiguration();
hostConfig1.setHost("tern",80);
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");
try {
// Execute the method.
int statusCode =
client1.executeMethod(hostConfig1,_method1,_httpState1);
System.out.println("Status code :" + statusCode);
if (statusCode != HttpStatus.SC_OK) {
System.err.println("Method failed: " + _method1.getStatusLine()
+ "StatusCode:" + statusCode);
}
// Read the response body.
byte[] responseBody = _method1.getResponseBody();
// Deal with the response.
// Use caution: ensure correct character encoding and is not
binary data
// System.out.println("Response Body is " + new
String(responseBody));
Header[] responseHeaders = _method1.getResponseHeaders();
// Header header;
System.out.println("----------------------------------------------------
-----------------------------------");
for( Header header : responseHeaders){
System.out.println("Headers is " + header.getName() + "and the
value is :" + header.getValue());
}
} catch (HttpException e) {
System.err.println("Fatal protocol violation: " + e.getMessage());
e.printStackTrace();
} catch (IOException e) {
System.err.println("Fatal transport error: " + e.getMessage());
e.printStackTrace();
} finally {
// Release the connection.
_method1.releaseConnection();
// _method2.releaseConnection();
}
}
}
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______________________________________________
Output:
Status code :200
May 27, 2007 9:13:18 PM org.apache.commons.httpclient.HttpMethodBase
getResponseBody
WARNING: Going to buffer response body of large or unknown size. Using
getResponseBodyAsStream instead is recommended.
------------------------------------------------------------------------
---------------
Headers is Dateand the value is :Mon, 28 May 2007 04:40:02 GMT
Headers is Serverand the value is :Apache/2.0.40 (Red Hat Linux)
Headers is Connectionand the value is :close
Headers is Transfer-Encodingand the value is :chunked
Headers is Content-Typeand the value is :text/plain; charset=ISO-8859-1
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____________________________________________
I am expecting some more log on wire etc. for debugging purposes.
Please do tell me what I missed here. I have constraint that I need to
enable the log programmatically only.
Thanks,
Pankaj Arora
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