Debian :: Java Applets Not Working On Squeeze?

Feb 27, 2011

Why are applets not working on Squeeze? They were working in Lenny and work in Windows 7.

apt-cache policy openjdk-6-jdk icedtea6-plugin
Installed: 6b18-1.8.3-2


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Debian :: Java Applets Not Working On Iceweasel?

Jan 10, 2010

I have gnome, iceweasel, and java installed. Java works fine from the command line, but not on sites like the one below.


I have java enabled. I'm running squeeze. The 'add-ons' dialog in iceweasel lists the following:


Java(TM) Plug-in 1.6.0_16

this is the output from the Java console when trying to load the applet:


load: class AppletGui not found.
java.lang.ClassNotFoundException: AppletGui
at sun.plugin2.applet.Applet2ClassLoader.findClass(
at java.lang.ClassLoader.loadClass(


I think the problem may have to do with where it says "Caused by: Network is unreachable" but I'm not sure what that means.

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Debian :: Java Applet On Squeeze - Not Working?

Apr 10, 2011

How to get Java applet running on Squeeze, jre-6u26-linux, is needed to be installed, but I counld not do it, is there any alternative way to get Java applet working ? It works on Lenny, but I am moving to Squeeze.

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Software :: Using Iceweasel On Debian - Java Applets Won't Load ?

Mar 19, 2010

I'm using Iceweasel on Debian, and my java applets won't work. They used to work fine so I don't understand what happened to them. I installed the latest java jre from Sun and it made no difference. Java plugin seems to work (at least the javascript part) but it can't seem to download applet's. I tried running one locally (ran on of the example applet that came with the Sun jdk, but they won't work on the web) the java console pops up with these errors.


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Ubuntu :: Java Applets Won't Run In Browsers

Mar 6, 2010

I am using Ubuntu 8.10. All the java programs run perfectly fine in Geany. But when I try to run java applets in web browsers it did not run. I have tried running it in Opera and FireFox. I have written a simple program which display "hello world" in browsers. When I refresh the page it displays the text for about 2 or 3 seconds and after that it disappears.

Are there any other ways to run java applets?

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Software :: Java Applets Never Work

Nov 17, 2010

I always have trouble with java applets in Firefox, any time I open one the whole browser just seems to lock up. Any pointers for making them run properly? I'm running Ubuntu 10.04 and I have the IcedTea plugin.

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Software :: Unable To Run Java Applets

Mar 6, 2010

i am running Oracle EBS R12.1.1 on Linux RHEL 5.3 ,I am not able to run java applets on the same . I installed latest rpm of jre-1.6.0_18 , and it is there in /usr/java/jre1.6.0_18 but when i am searching by command its showing


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Ubuntu :: Java Applets Cause High Cpu Usage?

May 1, 2010

yesterday when 10.04 got released i decided i'd install it and try it out, when i tried to run a java applet on it (runescape for example) the CPU usage got really high (around 100%), is that normal?

Info about my processor if you need:AMD Athlon(tm) 64 X2 Dual Core Processor 5000+ 2,61 GHz.This is my first time ever using ubuntu.

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Ubuntu Multimedia :: Java Applets Does Not Work

Oct 8, 2010

When I look at my content plugins in Firefox and the list of IcedTea plugins is 29 items long. Is this my problem or do Java Applets just not work in Lynx?

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Software :: Want To Run Java Applets In Firefox 3.6.17 - Fedora 14

Jun 24, 2011


Tells me to go to the plugins folder under firefox. I look in /usr/lib/firefox-3.6 and I dont have a folder named plugins. But firefox does display a list of plugins from Tools>Addons>Plugins. The list displayed by the browser does not include java.

oracle tells me to make a link from this non existent folder to the jre and make a link to lib/i386/

I've done a find / and nowhere on the system is there a

There are a bunch of files similar to this in


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Debian :: Installing Oracle Java Jre On Squeeze 64-bit

May 21, 2011

installer: jre-6u25-linux-x64.bin

extracted in /usr/java/

now, how do i make it recognized by iceweasel?

the reason of me using it instead of openjdk is that i need newer jre for IBM bladecenter manager web interface.

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Ubuntu :: Java Applets In Firefox Stay Running?

Jul 12, 2010

All day today, my laptop has been absurdly hot.The core temperatures were exceeding 70.0C even though it was on a cooling pad and I had disabled wireless, lowered the screen brightness, and put the CPU on Powersave. (For comparison, the temp usually stays at 45.0C if I do all this)

Finally, I decided to check htop, and I found IcedTea Plugin at the top with 99% CPU usage. This is used to run embedded Java applets (Java, not Javascript). Curiously, no Java applets were running at that time.Now skip ahead an hour to when I finally discover that the IcedTea Plugin was left over from earlier because it didn't stop running when it was supposed to. Looking online, I see several complaints about Java being very taxing on the CPU in Ubuntu, but I don't see anything about Java applets continuing to run after they're gone.

Can anyone who has Java installed confirm that this happens on their system?

1. Open htop. Search for "icedtea" to make sure it isn't already running. Then click on "CPU%" to sort the list.
2. Open this page in Firefox:
3. Check htop. Is IcedTea climbing to the top? (if you have Java, it likely will, because this is a common issue)
4. Navigate off of the page by closing the tab or clicking Back.
5. Here's what I want to know. Check htop again. Is IcedTea still there?
6. Restart Firefox to get rid of IcedTea.

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Programming :: Java Applets - Mouse Dragging Event

Jan 4, 2010

I know how to deal with a mouse click event like so:


But was happens when I am dealing with mouse dragging? Will my implementation of mouseDragged() get called for every pixel moved? So I just getX() and getY() like with a mouse click?

Also, in order to know when mouse dragging stops and starts, do I also have to put code in mousePressed and mouseReleased?

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Programming :: Java Applets - Timed - Repeating Activities

Jan 14, 2010

So, when I program my Java applet I am expected to use an event based model, where I run functions in response to mouse clicks and so forth, and I am supposed to return quickly so that the applet can continue looping. But what if I want certain functions to run by themselves on a regular schedule (like every 200 ms or so) without blocking mouse events, repaints, and so forth?

I looked at the source code of one Java applet I found, and it accomplished this by creating extra threads. I was wondering if creating extra threads was the only way to accomplish that, or if there was some more proper way to do it built into the Applet somehow.

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Debian Configuration :: Blank Java Window On Squeeze?

Sep 1, 2010

I have two systems, both running Squeeze, one (desktop) executes Java applications perfectly while the other (laptop) doesn't.

I found two small examples:
works well on both systems


All the online Java tests I have found tells me that all is fine. I've browsed around quite a bit, and some are suggesting incompatibilities between Java and certain display drivers, but unsure of how to proceed.

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Software :: Debian Testing - Squeeze - Java Applet

Dec 28, 2009

Anyone out there running Debian testing/squeeze?

Is Java running in your browsers properly? I just want to make sure I'm not alone. I'm sure a recent update caused the problem. A future update will probably fix it.

Java applets have stopped working on my main desktop and laptop. The server running stable/lenny works fine. Fedora and Ubuntu installed on the laptop also work fine.

Java applications such as JAlbum work without any problems.

Only Java applets in the browsers fail. Iceweasel, Epiphany, and Opera all fail.

It fails on my internal site.

I get the same error at Test Your Java Version And How do I test whether Java is working

But this one works.

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Ubuntu Multimedia :: Embedded Java Applets Not Running Sound

Jul 16, 2010

My sound is otherwise working fine, but for some reason i'm not getting any sound when running java applets. This issue is very important to me, i would -really- like to get the sound back on this's a java runtime environment applet, running in embedded in firefox. Somehow, the systems isn't detecting it as a application outputting sound.

i tried uninstalling the sound manager application via synaptic, selected the 'completely remove' option, and wound up uninstalling essentially the entire OS last weekend. i'd like to not repeat that mishap, as i lost all my data.

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Ubuntu :: Firefox Crashes When Viewing Pages With Java Applets?

Oct 25, 2010

Firefox is crashing whenever I go to a page with a java applet such as this one [URL]... I get the following output in the command line:

GCJ PLUGIN: thread 0xb5e191f0: NP_Initialize
GCJ PLUGIN: thread 0xb5e191f0: NP_Initialize: using /usr/lib/classpath/gappletviewer.
GCJ PLUGIN: thread 0xb5e191f0: NP_Initialize return
GCJ PLUGIN: thread 0xb5e191f0: GCJ_New
GCJ PLUGIN: thread 0xb5e191f0: plugin_data_new


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Ubuntu :: Applets Not Working In Firefox 3?

Mar 3, 2010

I am running Jaunty 9.04 with Firefox 3.0.18.

Here is the output of $ java -version:

java version "1.6.0_16"
Java(TM) SE Runtime Environment (build 1.6.0_16-b01)
Java HotSpot(TM) 64-Bit Server VM (build 14.2-b01, mixed mode)

I have tried the solution to this thread: [URL] but to no avail. And this thread: [URL]doesn't help either.

The website I am trying to view the applet on is: [URL]

Nothing comes up saying a missing plug-in needs to be installed, but a small, blank window appears with a title of "Java" which can't be closed and has to be killed.

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Debian :: Virtualbox-ose Is Not Working In Squeeze?

Mar 9, 2011

If I recall correctly, my Squeeze desktop is working whereas my Squeeze laptop isn't.

Here are the errors: Failed to open a session for the virtual machine Ubuntu 10.04.2. The virtual machine 'Ubuntu 10.04.2' has terminated unexpectedly during startup with exit code 1.

Result Code:
NS_ERROR_FAILURE (0x80004005)


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Debian :: Iceweasel 3.5.6 - Can't Get Java Working In It

Mar 11, 2010

After installing 3.5.6 from backports, applets stopped working. I installed the java-6-sun package but it's still not making it. Searched google but haven't found anything but some bug fixes. Also saw something about ipv6, but not sure if that's related. That seemed to affect java programs. I use jedit and that is working fine. I downloaded the latest SDK from Sun and created a link from /usr/lib/mozilla/plugins and /usr/lib/iceweasel/plugins and /usr/lib/mozilla-firefox/plugins to /opt/SDK/jdk/jre/plugin/i386/ns7-gcc29/ Prior to the update to 3.5.6, the plugins were working and I could get the ..... stuff etc.

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Debian :: Java Interpreter Not Working?

Jul 25, 2010

I installed openjdk 6. The compiler works fine, but when I try to run the .class file, I get:

Exception in thread "main" java.lang.NoClassDefFoundError: hello/java
Caused by: java.lang.ClassNotFoundException:


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Debian :: Microphone Is Not Working In Squeeze 64bit?

Aug 22, 2011

Is not working my microphone in Deban. In Ubuntu or MW7 all works correctly.

Here are some outputs of commands:

root@debian:/home/brok# uname -a
Linux debian 2.6.32-5-amd64 #1 SMP Tue Jun 14 09:42:28 UTC 2011 x86_64 GNU/Linux
root@debian:/home/brok#  lsb_release -a
LSB Version:   core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch
Distributor ID:   Debian


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Debian Configuration :: CUPS Not Working In Squeeze?

Jul 6, 2010

I don't print much, but tonight needed to print and found that none of the printers were listed in Okular or Openoffice, then when I tried to open Cups Administration http://localhost:631/ I got the error message Connection to Server Refused

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Debian Configuration :: Wireless Not Working On Squeeze?

Feb 14, 2011

I am moving over to debian from ubuntu, and the latest install is to an acer aspire one netbook, the wireless card seems to be working and I can see available networks and even connect to mine (with WPA encryption) via the gnome network manager, however opening a browser or pinging both local and external machines all fail. its as if the OS does not not know to use the card. The wired works fine.

If memory serves the card is identified by lspci as Atheros AR5007.

There is no reference to wlan0 in etc/network/interfaces.

I do not have that system on now and have to leave for work, but I can post any further info from conf files etc as required when i get home tonight... Just thought I'd post a quick description in case I'm missing something obvious...

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Debian Hardware :: Usb Speaker Not Working On Squeeze 6.01

Jun 20, 2011

My audio is working, but when i put my usb speaker in it, it doesnt redirect sound to the speaker, just continues to play from the laptop.

In gnome, System->Prefernence->Sound shows the following:
Device: HDA ATI SB
Device: Logitech USB speaker (Alsa Mixer)
lsusb shows:
Bus 002 Device 003: ID 046d:0a04 Logitech, Inc. V20 portable speakers (USB powered)
dmesg shows:
[ 1530.060050] usb 2-1: new full speed USB device using ohci_hcd and address 3
[ 1530.229080] usb 2-1: New USB device found, idVendor=046d, idProduct=0a04


my usb speaker has volume control-up/down, mute, that seems to work, just no sound coming out of it. I am running Squeeze 6.01, kernel 2.6.32-5-686 Also I have 2 computers with squeeze 6.01 installed, both doesnt output usb sound, but the speaker works fine with winXp and ubuntu.

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Debian :: Get Udevinfo Command Working On Squeeze?

May 31, 2011

Howto get udevinfo command working on squeeze, which package should be installed?

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Debian :: How To Test Whether Java Working On Computer

Mar 13, 2010

Install Debian Testing (KDE4, 2.6.32-trunk-amd64) and java with aptitude install
sun-java6-plugin ia32-

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Debian Installation :: Touchpad Is Not Working After Upgrading To Squeeze

Jan 22, 2011

After upgrading my Acer extenza 5620z to debian squeeze(kernel 2.6.32-bpo.5-686) left click was not working on my SynPS/2 Synaptics TouchPad,allthought moving the cursor was working !

I went to debian channel on irc and there was someone who told that I should install a patch [URL] to correct this problem but when I restarted the whole touchpad was not working !!

Here is the output of dmesg [URL]

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Debian Configuration :: Get Rnmod Command Working Under Squeeze?

May 11, 2011

How to get rnmod command working under squeeze?


# rnmod i915 bash: rnmod: command not found

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