GENERAL ERROR: "Unable to obtain display for device monitor, Error:java.lang.nullpointer.exception"

[Davidsfs]

Hi, how are you.

I have a problem opening the netbackup console I get this

GENERAL ERROR: "Unable to obtain display for device monitor, Error:java.lang.nullpointer.exception" is displayed when clicking on Device Monitor in the Windows Netbackup Java GUI.

I already did the article steps.

• Article:000090612
• Publish:October 25, 2015
• Article URL:http://www.veritas.com/docs/000090612

 Update the java version on the server master.         Java version "1.8.0_131"

I can see the menus but on media I can not make a Inventory Robot

The server master is Linux Red hat. 6.1

Version de netbackup is 7.7.1

[Thiago_Ribeiro]

Hi,

Take a look this TNs.

From NetBackup 7.7.1 Late Breaking News - Did you already apply this EEB??

Fixed in 7.7.2: (ET 3853951) Downloadable Fix: An Emergency Engineering Binary (EEB) is available for NetBackup 7.7.1 which resolves nbsl communication issues in the Java GUI. - https://www.veritas.com/docs/000099899

From NetBackup 7.7.1 Release Notes - Could be apply to your environment?

Using X forwarding to launch the NetBackup Administration Console can fail on certain Linux platforms Using X forwarding to launch the NetBackup Administration Console can fail on certain Linux platforms, particularly Red Hat Enterprise Linux 6.0 (RHEL 6.0) on
VMware. The issue is a result of incompatibilities between the default GNU C Library (glibc) and Advanced Vector Extensions (AVX) on newer hardware. The issue should be fixed in a future release of glibc. NetBackup administration and general operational notes
Workaround: Run the export LD_BIND_NOW=1 command before you execute runInstaller

https://www.veritas.com/support/en_US/article.DOC8511

Regards,

Thiago Ribeiro

[Davidsfs]

Ok thanks  Thiago  .i'll do the steps, i hope it solves the problem

[Thiago_Ribeiro]

Hi,

Let us know when you have applied.

[Davidsfs]

Hi, how are you.
Apply the solution that says but I still have the same problem

[Thiago_Ribeiro]

Hi,

thanks for answer....From which server are you start the NBU Console? Is a windows?

Regards,

Thiago Ribeiro

[Davidsfs]

yes that´s right.

in my computer is windows 10, update java.

but on other server (windows server 2008 R2), I get the same error

[Thiago_Ribeiro]

Hi,

Have you changed somenthing in you environment recently? Seizing the opportunity, take a look this article, check if it apply for your case.

https://www.veritas.com/support/en_US/article.000020498

Regards,

Thiago Ribeiro

[Davidsfs]

ok. thanks. no changes have been made to server master.

2 weeks ago I had a problem with the 2 drives of a robot.

thanks for the article.

[Marianne · Accepted solution]

Has this worked fine before? 
If so, when did it stop working?

If it was working fine before and nothing was changed in NBU, then it remains a valid question - what has changed in the environment?

Can you confirm that port 1556 is open in both directions between the master and Windows desktops?
Is Windows firewall disabled on the desktops?
Is iptables stopped and disabled on the master?

Is there a chance you can upgrade to 7.7.3 or 8.0?

[Davidsfs]

Ok thanks, yesterday upgrade version 7.7.3.

today are running backups. but yerterday I had a problem with the performance.

Restart services today
I hope I have no problem

[Thiago_Ribeiro · Accepted solution]

Hi,

Even after upgrade version did you face the same problem? About this error that you said, take a look this articles.

https://www.veritas.com/support/en_US/article.000019802

https://www.veritas.com/support/en_US/article.000108204

Regards,

Thiago Ribeiro

[Davidsfs]

OK thank you very much. I'm going to read the articles

Thanks for the help