Java applet does not start on first page display

[Don Manyette]

Binary package hint: firefox

Update released on 16 August 2010 changed applet behavior. When a page loads with an embedded java applet, it does not start the first time displayed. Restarting the page will permit the applet to run properly as it did before the update. Behavior may be observed on the web site "dslreports". Try speed test or tweak test using java, and the page must be reloaded for the applet to run. This is the 10.04 Lucid Lynx 64 bit with all current updates

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: firefox 3.6.8+build1+nobinonly-0ubuntu0.10.04.1
ProcVersionSignature: Ubuntu 2.6.32-24.39-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic x86_64
Architecture: amd64
Date: Mon Aug 16 13:10:21 2010
FirefoxPackages:
 firefox 3.6.8+build1+nobinonly-0ubuntu0.10.04.1
 firefox-gnome-support 3.6.8+build1+nobinonly-0ubuntu0.10.04.1
 firefox-branding 3.6.8+build1+nobinonly-0ubuntu0.10.04.1
 abroswer N/A
 abrowser-branding N/A
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: firefox

[Micah Gersten (micahg)]

Thank you for reporting this to Ubuntu. Sometimes Firefox profiles can become corrupt and/or extensions can conflict. Could you please try this with a new profile and see if the problem still exists? You do not need to delete your old profile to test. If this helps, you might want to try to disable all your extensions and re-enable them one by one until you find the problematic one.

You can start the profile manager with the following command:
firefox -ProfileManager

By the way, this worked for me fine in a clean profile.

[Don Manyette (manyette-cox)]

Hello Micah, Well, I created a new "blank" profile. Using that profile the dslreports site will not load the java applet at all. What am I missing here. I'm assuming that I don't need to reload java just because of a new blank profile? = = = Don

[Micah Gersten (micahg)]

Can you please post the results of:
apt-cache policy sun-java6-plugin icedtea6-plugin

[Micah Gersten (micahg)]

Sorry, it must have been cached in some way because now I can confirm in the new profile that it takes 2 loads to get it to show.

[Micah Gersten (micahg)]

I get this when running from the console:
Exception in thread "Thread-6" java.lang.NullPointerException
        at sun.applet.AppletPanel.showAppletStatus(AppletPanel.java:947)
        at sun.applet.AppletPanel.run(AppletPanel.java:607)
        at java.lang.Thread.run(Thread.java:636)

[Micah Gersten (micahg)]

@doko
What do you think of the this? Do you think the update could've done this?

[Don Manyette (manyette-cox)]

Got your correction, but since I already got it, I'll post it anyway. Thanks again Micah!

 apt-cache policy sun-java6-plugin icedtea6-plugin
sun-java6-plugin:
  Installed: (none)
  Candidate: 6.20dlj-1ubuntu3
  Version table:
     6.20dlj-1ubuntu3 0
        500 http://archive.canonical.com/ubuntu/ lucid/partner Packages
icedtea6-plugin:
  Installed: 6b18-1.8.1-0ubuntu1
  Candidate: 6b18-1.8.1-0ubuntu1
  Version table:
 *** 6b18-1.8.1-0ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages
        500 http://security.ubuntu.com/ubuntu/ lucid-security/main Packages
        100 /var/lib/dpkg/status
     6b18-1.8-0ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ lucid/main Packages