Ubuntu Installation :: Debugging Java Applet Loading Failure
May 1, 2010
I have just installed Ubuntu 10.04. When trying to run a Java Applet on a web page I discovered that Java is not installed in 10.04 and the SUN Java JRE is not available to install any more so I installed the OpenJDK and IcedTea Plugin.
Most applets work fine but one specific, for me a very important one, dos not. Specifically the log inn applet used in my net bank: URl... See login entry on top left.After entering userID I am redirected to a page giving the following error message:HTTP 404 - The resource cannot be located. The file cannot be found. This applet runs fine in Windows.I have started Firefox in a terminal window but do not get any error messages there when trying to start the applet.The applet runs fine in Opera (though slow start up) in Ubuntu 10.04. Opera does not use plug in but run the applet directly from JRE. This indicates that the problem could be in the IcedTea plugin.
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Sep 14, 2010
When I try to load this applet [URL]... It won't load properly and doesn't do anything. I have java installed and everything.
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May 12, 2010
I installed a packge redmine apt-get install redmine It went without any error. But I found later that it was not working. Another package I installed was red5 during installation it says it can not start red5-server. How can I debug the package installations. If there would have been some script I would have set some thing like set -vmx in it.
As an example while installing red5 I got a message to issue the following
Code:
See [url] for more information about dependency based boot sequencing. To reattempt the migration process run 'dpkg-reconfigure sysv-rc'. Even then it failed.
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Jul 17, 2009
Java applet not loading image with relative path(e.g. images/1.jpg) but loads image with absolute path(i.e. from /root/user/images/1.jpg) . This is a problem when i want to host the applet on web server
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Oct 16, 2010
I had the Clock Applet installed in my panel up through 10.04- when I did the upgrade to 10.10, it was removed (with no explaination). Now, when I try to put it back into the panel, I get the following error message-"The panel encountered a problem while loading OAFIID:GNOME_ClockApplet"and asks me if I want to leave it anyway, or remove it. Regardless of what I select, it does not appear.I like the clock applet. Has anyone else had this issue? Would this be classified as a bug, or is it already a known issue? I have not searched Bugzilla yet.Would this have any relation to the issue I am having with being unable to re-install evolution (Which was also removed during upgrade)?
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May 7, 2010
I'm having a very strange error after upgrading to (K)Ubuntu 10.04.. basically Java Applets don't work in any browser (tried with Firefox, Chrome and Opera). The applet loads (plugin and JVM detected by all browsers) but it is grayed out. After trying all possible solutions I could think of (including installing alternatives jvm) I tried to run the browser as superuser: the applet is then working correctly. So somehow it seems to be a user right problem, but I'm not sure where this is coming from, both java (sun-6) and the browsers were installed and working ok in 9.10. Here is the directory list of /usr/lib/jvm/java-6-sun/jre/lib/i386
Code:
drwxr-xr-x 2 root root 4.0K 2010-05-07 14:03 client
drwxr-xr-x 2 root root 4.0K 2010-05-07 14:03 headless
drwxr-xr-x 2 root root 4.0K 2010-05-07 14:03 jli
[code].....
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Aug 5, 2014
So, I am having certain issues regarding Debian installation. Since my Wi-Fi card, Intel PRO/Wireless 3945ABG, requires non-free drivers not provided within Debian install image, I am bound to use USB stick during installation process to get those drivers, iwlwifi-3965-1.ucode and iwlwifi-3965-2.ucode, to enable Wi-FI on my system. However, no matter what I do, I cannot get debian-installer to detect drivers present on the machine. I have tried virtually everything - downloading drivers from multiple sources, renaming drivers properly, using ext4 instal of fat32, using gpt instead of msdos, placing files in /firmware instead of root directory - but no matter what I do, the outcome is the same. USB stick seems to be working properly. Am I bound to downloading non-free image now, or is there a solution?
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Mar 10, 2011
I'm having trouble with my java, I got it to isntall, restarted but when I go to any java based chat, or drawing site it doesn't load the applet, the applet shows up it just says "Start: Applet not initialized"
Did I install it wrong?
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May 21, 2009
Does anyone know how can one improve his debugging skills or how can one narrow down the problem and try to get to the solution ASAP.Or rather how once should approach a problem.I know this is a bit vague question but I want to know how you people approach?
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Mar 4, 2010
I'm not sure if this is the place to post this, but I'm having trouble with NetBeans.
I'm trying to run a Java applet.
My code (provided by my Java instructor):
Code:
I get 1 of 2 errors, depending on my config:
1) If I run it with <default config>
2) If I run it with Web Start
I need NetBeans to work with applets for my Java class.
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Mar 12, 2011
Ok here's what I'd like to do:
Take a screenshot, or some other way of saving the visual output of a java applet [URL], and saving that as an image, without having to manually do it (open browser go there, and take a screenshot).
I guess this would be most easily done using a script of some sort, but I have no idea how to go about doing this..
I would like to do this, so I can use this image to update my conky every 30 secs or so (got that part figured out ).
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Oct 4, 2010
I'm currently using the 10.10 beta of Ubuntu with all of the most recent updates installed. When I boot up the computer, gwibber fails to start up and when I do open it, it shows an icon in the notification area (Which I flat out do not want) and does not use the indicator applet at all (even when closed).
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Mar 6, 2010
i cant close java applets in my browser, when i clicking the 'X' button just nothing happens...
this bug already reported here: [URL] and here: [URL]
go to these links, you can find there more information... this bug exist in websites that using java applets windows, for example: [URL] go to this chat and PM someone, the PM window will open, but u cant close it!
i found a solution few months ago but i reinstalled ubuntu and i cant find it now...
i installed sun-java6-jre, sun-java6-jdk, sun-java6-plugin
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Jan 13, 2011
if there is someone who asked the same question, but I have the Ubuntu 10.10 net-book remix version, and every time that I go to try to download and install the Java applet, it will download Ok (I think), but when I try to open the file, there are no errors, but it won't open. When I try to re-download, it does nothing again.
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Aug 21, 2010
Whenever I check for updates, or download/install them, the openSUSE updater applet never shows the loading bar. The border showing the loading bars position is there but the loading bar never appears. It always sits at 0% but still successfully complete updating.
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Jun 8, 2010
I have tested Icedtea and sun java on 10.04, but I'm not able to play [url]
Sun gets closest, but still fails. I use ver. 1.6.0_20. Is there any way I can download/save the java applet from the web-page and open it with sun java 6 web start ?
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May 14, 2011
I recently upgraded an ASUS netbook through a series of about 4 or so upgrades ending at Maverick (10.10). Sound in Java applets worked fine before that, but I've been trying for about a week now to get it working again.
Here is what I have tried so far:
Removed Sun Java and plugin, and installed Openjdk and icedtea
Removed Openjdk and icedtea, and installed Sun Java and plugin
Verified through aboutlugins that FireFox plugin matched installed Java plugin
Tried using padsp and aoss wrappers
Along the way I have also tried other suggestions I have found through Google for configuring sound and setting file permissions, but nothing works. No matter what I do, sound keeps working everywhere except in Java applets.
Here are some observations along the way.
Sound has worked everywhere I try except in Java applets. It works with Flash.
Java applets work fine except for sound. Java console indicates that sound files are being received and passed to applets.
My Java executable is located at /usr/lib/jvm/java-6-sun/jre/bin/java. I have tried renaming it "java.real" and creating a shell script that wraps it with padsp or aoss. When I do that Java works, but Java applets fail to start. The Java console does not start up, so the wrappers appear to prevent applets from starting.
I am trying to run applets at [url]. They work fine for me on a 64-bit 10.04 system and a 32-bit 10.04 system.
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Oct 5, 2010
So I have followed every single guide there is on how to run a applet with the java plugin on debian 64. And they all fail. How I could see those applets and java apps with my firefox on debian squeeze amd64.
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Jun 30, 2010
In my box Sun java and Open JDK co-exists. My problem is, despite been able to run java softs I can't run java applet in my browser (Opera mobile emulator, Facebook photo uploader etc).
Opera is my primary browser (Version 10.60 beta) and have FireFox 3.6.4 as the second choice. Both the browsers are malfunctioning when it comes to Java.
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Sep 26, 2010
I need install java [url] but it is not rpm it is rpm.bin. how can i install it ?
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May 24, 2010
I am connected with chinese-tools.com. They have a neat java applet which has a window in which you can draw a Chinese character, and it will recognize it. However, this is causing my comp to go into overdrive. The twin processors are at nearly 100%. I have two Intel T1600s. If I kill the browser, google chrome or Mozilla, things calm down. It is definitely the applet causing this.
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Apr 10, 2011
Java applet don't start in Fedora 14, I have installed the latest jre, but no luck, any idea what else is needed ?
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Mar 18, 2010
Firefox closes shortly after web site Java applet opens
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Jun 24, 2010
I am trying to execute the Java applet to load photos but I am unable to open it. This is what I get when running firefox from terminal
Code:
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Sep 16, 2010
I have install Ubuntu 10.04 version. Then install Crossover 9 and run Internet Explore 7 on the crossover. Now I need to access web based system through IE7 which is java applet enabled system and also I have already installed java runtime environment on crossover. But that system can not access through IE7 it given some errors.
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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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Oct 20, 2010
I am trying to set up a minecraft server, but I have encountered problems. I have been using Ubuntu Server, but I can't get everything to work just right. I was wondering if I just needed to find a new distro that doesn't take up much resources and can run a java applet and sync with dropbox.( I already have code to sync that up).
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Mar 13, 2010
Im having various problems with the graphic printing features for applets.
In this immediate applet, when I print and update the previous line bleeds through the next line. I tried printing a series of spaces to clear the first text, but it doesn�t work.
Code:
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May 6, 2010
I thought I was removing the chat status piece of the indicator applet (I know what it is now, didn't then), but I accidentally removed the whole thing. Now when I figured out how to put it back on the panel, I can't get it back to where it was (which was to the RIGHT of the system date/time applet). How can I do this as well as move the indicator applet that has the volume control in it?
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Mar 7, 2010
I have Debian Testing, Kernel 2.6.32-trunk-686 and Java version:
java version "1.6.0_16"
Java(TM) SE Runtime Environment (build 1.6.0_16-b01)
Java HotSpot(TM) Server VM (build 14.2-b01, mixed mode)
If I open web page with Java application (in Opera, Iceweasel and Google Chrome), for example this page: [URL] I get error message (image in attachment). If I click in the Details, I get this text:
Java Plug-in 1.6.0_16
Using JRE version 1.6.0_16-b01 Java HotSpot(TM) Server VM
User home directory = /home/johnnycage
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
o: trigger logging
q: hide console
r: reload policy configuration
s: dump system and deployment properties
t: dump thread list
v: dump thread stack
x: clear classloader cache
0-5: set trace level to <n>
load: class AppletGui not found.
java.lang.ClassNotFoundException: AppletGui .....
Exception: java.lang.ClassNotFoundException: AppletGui
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