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From "Mario Ivankovits (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (VFS-69) FTPFileObject monitor doesn't retrieve lastModifiedTime
Date Sat, 09 Dec 2006 07:48:22 GMT
     [ http://issues.apache.org/jira/browse/VFS-69?page=all ]

Mario Ivankovits resolved VFS-69.
---------------------------------

    Resolution: Fixed

Should be fixed now, though, it looks not very performant as we have to refetch the whole
parent listing.
Maybe there is room for improvement in the future.

> FTPFileObject monitor doesn't retrieve lastModifiedTime
> -------------------------------------------------------
>
>                 Key: VFS-69
>                 URL: http://issues.apache.org/jira/browse/VFS-69
>             Project: Commons VFS
>          Issue Type: Bug
>         Environment: Windows XP, Java version 1.4.2 (this is the version of Java that
WebSphere Portal 5.1 runs on), WebSphere Portal
>            Reporter: Tony Cooke
>         Assigned To: Mario Ivankovits
>
> Monitoring of files on a ftp server using DefaultFileMonitor doesn't seem to register
changes in the last modified time.
> From the email correspondance with Mario:
> 1.
> This is how I've set up my DefaultFileMonitor:
>   DefaultFileMonitor fm = new DefaultFileMonitor(new FileListener() {
>     public void fileCreated(FileChangeEvent arg0) throws Exception {
> 	System.out.println("File created. " + arg0.getFile().getName());
>     }
>     public void fileDeleted(FileChangeEvent arg0) throws Exception {
> 	System.out.println("File deleted. " + arg0.getFile().getName());
>     }
>     public void fileChanged(FileChangeEvent arg0) throws Exception {
> 	System.out.println("File changed. " + arg0.getFile().getName());
>   }
>   });
>   fm.setDelay(60000);
>   fm.addFile(file);
>   fm.start();
> 2.
> Thanks for the code snipped. I tried it with the default
> VFS.getManager() (without setting the CacheStrategy) and it works here with my ftp server
as expected.
> I am pretty sure for your tests you do not use a delay of 60000, do you?
> I tried it with 5000 (5 seconds) and get the events promptly.
> But ...... I pointed the monitor to a directory ....
> > And this is how I run my checks:
> >
> >   try {
> >     for (int i = 0; 1 < 100; i++) {
> >       Thread.sleep(60000); //  1 minute
> >       System.out.println(file.getContent().getLastModifiedTime() + "  "
> > + file.getName());
> >     }
> >   } catch (InterruptedException ie) {
> >     ie.printStackTrace();
> >   }
> >   
> .... ok - got it. Its a bug in the FTPFileObject, unhappily I have no workaround yet.
> Thank you for your help and sorry again for the extra work.

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