[ome-users] Help Needed. Unable to open Omero Clients.

[josh.moore at gmx.de]

Nandakumar, Sriramkumar writes:
 > Hi Josh,
 > I forgot to mention my OS details in my previous mail.
 > I am using Fedora  8 and my Java version is 1.6.

Thanks for this. And which Java distribution are you using?

  java -version

A similar exception as in your log can also be seen here:

  http://markmail.org/message/i3v7a63wpfggiwl7

due to using IceTea. If that is the case, could you install the Java SDK
from Sun and try again; if not, we'll dig a little deeper.

Best wishes,
~Josh.

 
 > Thanks & Regards,
 > Sriram.
 > ________________________________________
 > From: Nandakumar, Sriramkumar
 > Sent: Friday, November 14, 2008 3:05 PM
 > To: josh.moore at gmx.de
 > Cc: ome-users at lists.openmicroscopy.org.uk
 > Subject: RE: [ome-users] Help Needed. Unable to open Omero Clients.
 > 
 > Hi Josh,
 > 
 > Thanks for the reply.
 > 
 > I have attached the outputs    of netstat -na and   ifconfig -a in this mail for your reference.
 > In my previous mail I have mentioned that it is not possible for me to invoke Omero Insight even the machine where I have deployed Omero Server.
 > In the Omero Insight log I saw Null pointer exception in the beginning itself. I suspect that may be the reason why Insight is not invoked.
 > I have attached the logs of Omero Insight in this mail.
 > 
 > It would be really helpful if you can assist me in resolving this Omero Client problem.
 > 
 > Thanks in Advance.
 > 
 > Thanks & Regards,
 > Sriram.
 > ________________________________________
 > From: josh.moore at gmx.de [josh.moore at gmx.de]
 > Sent: Friday, November 14, 2008 3:25 AM
 > To: Nandakumar, Sriramkumar
 > Cc: ome-users at lists.openmicroscopy.org.uk
 > Subject: [ome-users] Help Needed. Unable to open Omero Clients.
 > 
 > Nandakumar, Sriramkumar writes:
 >  > Hi,
 > 
 > Hello Sriramkumar,
 > 
 >  > These are the messages displayed when starting the Omero server.  I
 >  > am seeing two STDERR messages (last two lines) and I am not sure
 >  > about this error.  But it is possible for me to see the Omero
 >  > server page in the screen without any problem.  ...
 > 
 >  > 2008-11-13 16:21:42,504 ERROR [ STDERR] ( main) Nov 13, 2008
 >  > 4:21:42 PM java.util.prefs.FileSystemPreferences$7 run WARNING:
 >  > Prefs file removed in background /root/.java/.userPrefs/prefs.xml
 >  > 2008-11-13 16:21:42,506 ERROR [ STDERR] ( main) Nov 13, 2008
 >  > 4:21:42 PM java.util.prefs.FileSystemPreferences$7 run WARNING:
 >  > Prefs file removed in background
 >  > /usr/lib/jvm/java-1.7.0-icedtea-1.7.0.0/jre/.systemPrefs/prefs.xml
 > 
 > These two "errors" come straight from Java and unfortunately, or
 > fortunately depending on how you look at it, have nothing to do with
 > OMERO. You can safely ignore them, but if you are interested you might
 > look at:
 > 
 >   http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4751177
 > 
 > for the original bug report. They are related to how Java is installed
 > on Linux.
 > 
 >  > 1) All the necessary ports such as 8080, 1098, 4444, 3873, 1099 are open
 >  > 2) Please find my  /etc/hosts
 >  >
 >  > 127.0.0.1       localhost
 >  > 128.163.118.171 myomero.uky.edu myomero
 >  >
 >  > where myomero is my hostname and myomero.uky.edu is in the format (hostname.network domain)
 >  >
 >  > which is as mentioned in the Omero troubleshooting page.
 > 
 > If you can reach the server locally with insight and importer, but not
 > from another machine, then unless I'm mistaken this must be a
 > networking issue. Could you send us the full output of:
 > 
 >   netstat -na
 >   ifconfig -a
 > 
 > and perhaps a little information about your operating system. All of
 > this can be done off list if you prefer.
 > 
 > Best wishes,
 > ~Josh.