[jcifs] Issues connecting with DFS server
Michael B Allen
ioplex at gmail.com
Wed Nov 14 09:44:51 MST 2012
On Wed, Oct 17, 2012 at 8:05 AM, Nikhil Sahay <nikhilsahay at gmail.com> wrote:
> Dear team,
> We recently migrated our AD services to windows 2008 and we started to
> receive intermittent issues with connecting to DFS drive. We are using the
> 1.3.17 version. Below is the error message which we are receiving in the
> Caused by:
> javax.resource.spi.EISSystemException: jcifs.smb.SmbException: Invalid
> operation for ????? service
> at jcifs.smb.SmbTree.send(SmbTree.java:100)
> at jcifs.smb.SmbFile.send(SmbFile.java:775)
> at jcifs.smb.SmbFile.queryPath(SmbFile.java:1363)
> at jcifs.smb.SmbFile.exists(SmbFile.java:1417)
> I was able to collect a TCPDump and the SMB Negotiate protocol response step
> shows me some thing like below.
> ".*0(.&.$not_defined_in_RFC4178 at please_ignore"
> I was wanting to know if there is any specific requirements or change in
> configurations required when we moving from windows2003 to windows2008? Or
> can some one please suggest what could be causing this problem?
This is interesting. I don't think I have ever seen this particular
If possible, it would be great if you could send the capture to me directly.
Invalid operation for ????? service at
means that the client received an SmbComTransaction response
subCommand that JCIFS doesn't understand.
If you can provide a capture, I might be able to tell you more (do not
post packet captures to the mailing list).
Michael B Allen
Java Active Directory Integration
More information about the jCIFS