Re: Random problems connecting to DFS server

Thank you, thank you, thank you!

That fixed the problem. Thanks for the quick response.

Simon

On 4/16/2012 5:40 PM, Gabor Herr wrote:
>
> Hi Simon,
>
> This sounds very similar to our jcifs problem reported in
> https://lists.samba.org/archive/jcifs/2012-March/009874.html
>
> Maybe you could give a try with the patch suggested in my post. It
> should also work with version 1.3.17.
>
> Good luck...
>
> Gabor
>
> Am 16.04.2012 21:59 schrieb "Simon Weatherill"
> <[email protected] <mailto:[email protected]>>:
> >
> > I've been seeing many errors that have a final stack trace of
> > jcifs.smb.Dfs.resolve(Dfs.java:169) (jCIFS 1.3.17):
> >
> > java.lang.NullPointerException
> >        at jcifs.smb.Dfs.resolve(Dfs.java:169)
> >        at jcifs.smb.SmbFile.resolveDfs(SmbFile.java:671)
> >        at jcifs.smb.SmbFile.getDfsPath(SmbFile.java:1536)
> >        at ListFiles.main(ListFiles.java:45)
> >
> > I'm using a slightly modified ListFiles.java to test this. I have a list
> > of 12608 directories, which all exist. If I invoke ListFiles for each
> > directory separately, it completes fine. If I invoke it once for all
> > directories, it will fail after reading about 3000 directories. If I add
> > a test to see if the path exists before calling listFiles(), the problem
> > goes away. I don't know if it is an issue of timing or whether the
> > exists() call does something that avoids the problem. Once the problem
> > starts all remaining  directories have the same problem.
> >
> > I added a getDfsPath() call (and printed the result) thinking that might
> > point in a particular direction. When I add this, it fails on the
> > getDfsPath() before it gets to getFiles().
> >
> > We're using jCIFS in an RMI server that is always running. We can clear
> > up the problem by restarting the server, but it comes back.
> >
> > Any ideas?
> >
> > Thanks,
> > Simon
>