i think it fails here, here�s the output i�m getting
D:\lixo>java Test http://localhost:8080/examples/spydermq.jar
org/spydermq/ConnectionQueue.class
jar:http://localhost:8080/examples/spydermq.jar!/org/spydermq/ConnectionQueu
e.class
created resource input stream.
read first 512 byte of the resource into mem.
now trying to delete file: false
setting url to null.
now trying to delete file: false
do garbage collection...
now trying to delete file: false
roberto
----- Original Message -----
From: "Daniel Schulze" <[EMAIL PROTECTED]>
To: "jBoss Developer" <[EMAIL PROTECTED]>
Sent: Friday, November 03, 2000 8:15 PM
Subject: Re: [jBoss-Dev] classloaders and file deletion... HELP!
> This is strange...
>
> > Well, now the open connections should be closed when the classloaders
> > are garbage collected. I m writing a test case now to get that theroy
> > commited.
>
> I wrote a little testclass and it seems that _any_ resource once touched
> by an URLConnection cannot be removed on Windows anymore?!
>
> \Daniel
>
> See yourself:
>
> import java.net.*;
> import java.io.*;
>
>
>
> public class Test
> {
> public static void main (String[] _args) throws Exception
> {
> if (_args.length != 2)
> {
> System.out.println ("usage: Test file_url_to_jar_package
> file_path_in_the_package");
> System.out.println ("Attention: the file_url_to_jar_package
> gets deleted (eventually ;-))");
> System.exit(0);
> }
>
>
> URL[] urls = new URL[] {new URL (_args[0])};
> String res = _args[1];
>
> /*
>
////////////////////////////////////////////////////////////////////////////
///////////
> System.out.println ("now trying to delete file: "+ new File
> (urls[0].getFile()).delete());
>
////////////////////////////////////////////////////////////////////////////
///////////
> */
>
> /*
>
////////////////////////////////////////////////////////////////////////////
///////////
> ClassLoader cl = new URLClassLoader (urls,
>
> Thread.currentThread().getContextClassLoader());
> System.out.println ("created classloader.");
>
> InputStream in = cl.getResourceAsStream (res);
>
////////////////////////////////////////////////////////////////////////////
///////////
> */
>
>
////////////////////////////////////////////////////////////////////////////
///////////
> InputStream in = new URL ("jar:"+urls[0]+"!/"+res).openStream
> ();
>
////////////////////////////////////////////////////////////////////////////
///////////
>
> System.out.println ("created resource input stream.");
>
> byte[] read = new byte[512];
> int length = in.read (read);
> in.close ();
>
> if (length < 512)
> System.out.println ("read whole resource into mem.");
> else
> System.out.println ("read first 512 byte of the resource
> into mem.");
>
> System.out.println ("now trying to delete file: "+ new File (new
> URL (_args[0]).getFile()).delete());
>
> /*
>
////////////////////////////////////////////////////////////////////////////
///////////
> System.out.println ("setting classloader to null.");
> cl = null;
> System.out.println ("now trying to delete file: "+ new File
> (urls[0].getFile()).delete());
>
////////////////////////////////////////////////////////////////////////////
///////////
> */
>
>
////////////////////////////////////////////////////////////////////////////
///////////
> System.out.println ("setting url to null.");
> urls = null;
> System.out.println ("now trying to delete file: "+ new File (new
> URL (_args[0]).getFile()).delete());
>
////////////////////////////////////////////////////////////////////////////
///////////
>
>
> System.out.println ("do garbage collection...");
> System.gc ();
> System.out.println ("now trying to delete file: "+ new File (new
> URL (_args[0]).getFile()).delete());
> }
> }
>
>
