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From: "Tahir Akhtar" <tahir@spectrum-tech.com>
To: "'Jakarta Commons Users List'" <commons-user@jakarta.apache.org>
Subject: RE: HttpClient : Sending Multipart request from applet
Date: Mon, 19 Jun 2006 17:29:29 +0500
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It looks like Access control exception occurs when HTTPClient tries to open
a local file for logging. Try to confirm by disabling the logging.

-----Original Message-----
From: shiv shankar [mailto:shiva_ibm@yahoo.com] 
Sent: Monday, June 19, 2006 5:00 PM
To: Jakarta Commons Users List
Subject: RE: HttpClient : Sending Multipart request from applet

Hello Kedar,

Let me put in this way, Below is a applet where I have
given the statemnt 

PostMethod pMethod = new PostMethod(targetUrl);

public class FileStreamApplet extends Applet {

	public void init() {

		try {

			 String targetURL =
"http://localhost:8080/echo/echo";
			 	PostMethod filePost = new
PostMethod(targetURL);
		}
		catch(Exception e) {
			e.printStackTrace();
		}

	}
}

I have complied and signed this applet , It is giving
me the following exception

java.lang.ExceptionInInitializerError
	at
org.apache.commons.httpclient.HttpMethodBase.<clinit>(HttpMethodBase.java:10
2)
	at FileStreamApplet.init(FileStreamApplet.java:21)
	at sun.applet.AppletPanel.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.security.AccessControlException:
access denied (java.util.PropertyPermission
org.apache.commons.logging.LogFactory.HashtableImpl
read)
	at
java.security.AccessControlContext.checkPermission(Unknown
Source)
	at
java.security.AccessController.checkPermission(Unknown
Source)
	at java.lang.SecurityManager.checkPermission(Unknown
Source)
	at
java.lang.SecurityManager.checkPropertyAccess(Unknown
Source)
	at java.lang.System.getProperty(Unknown Source)
	at
org.apache.commons.logging.LogFactory.createFactoryStore(LogFactory.java:320
)
	at
org.apache.commons.logging.LogFactory.<clinit>(LogFactory.java:1725)
	... 4 more

I have taken out the OutputStream stuff. 

R.Shiv Shankar


--- Kedar Panse <kedar@bancbridge.com> wrote:

> OutputStream oc = new
> FileOutputStream("c:/shiv/filewrite.txt"); 
> You may need to add this file in to acl for reading
> 
> http://java.sun.com/sfaq/#read
> 
> 
> 
> 
> Kedar
> 
> -----Original Message-----
> From: shiv shankar [mailto:shiva_ibm@yahoo.com] 
> Sent: Monday, June 19, 2006 3:57 PM
> To: commons-user@jakarta.apache.org
> Subject: HttpClient : Sending Multipart request from
> applet
> 
> Hello all,
> 
> 
> I need help on the httpclient . I have used this api
> in a JFrame and sending
> mutipart request to servlet, which is doing a fine
> job of uploading the the
> file.
> 
> 
> But when the same is done using applet, it is gving
> me
> 
> 
> java.Security.AccessConlroleException.
> 
> The problem come when it process a statement 
> 
> PostMethod pMethod = new PostMethod(url);
> 
> The following is a small program.Which I tred to
> execute and giving me
> lava.security.AccesscontroleException EVEN AFTER
> SIGNING THE APPLET
> 
> 
> 
> import java.io.*;
> import java.awt.*;
> import java.applet.*;
> 
> import org.apache.commons.httpclient.HttpClient;
> import org.apache.commons.httpclient.HttpStatus;
> import
> org.apache.commons.httpclient.methods.PostMethod;
> import
>
org.apache.commons.httpclient.methods.multipart.FilePart;
> import
>
org.apache.commons.httpclient.methods.multipart.MultipartRequestEntity;
> import
>
org.apache.commons.httpclient.methods.multipart.Part;
> import
>
org.apache.commons.httpclient.params.HttpMethodParams;
> 
> 
> public class FileStreamApplet extends Applet {
> 
> 	public void init() {
> 
> 		try {
> 
> 			 String targetURL =
> "http://localhost:8080/echo/echo";
> 			 	PostMethod filePost = new
> PostMethod(targetURL);
> 
> 
> 			System.out.println("Hello from FileStream
> Applet");
> 			Label l1 = new Label("Write into file using
> applet");
> 			this.add(l1);
> 			OutputStream oc = new
> FileOutputStream("c:/shiv/filewrite.txt");
> 			oc.write("Welcome to eriting a
> applet".getBytes());
> 			oc.close();
> 			Label l = new Label("Write into file using
> applet");
> 			this.add(l);
> 
> 
> 		}
> 		catch(Exception e) {
> 			e.printStackTrace();
> 		}
> 
> 	}
> }
> 
> 
> 
> 
> 
> 
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