JRE 6 x Mozilla Firefox Java Console problem

Dear sirs
I want to call the attention that the extension that JRE 6 installs on Firefox has a wrong MaxVersion. This causes the Java Console not working on Firefox 2.0.0.4 (the most recent version)
Instead of the maxversion
2.0
(current, cause of problem) it should be
2.0.*
It's possible to fix in our computer, editing the install.rdf file but it's important that java community delivers the CORRECT extension with Maxversion 2.0.*
Steps to fix on your computer:
1- Find c:\program files\Mozilla Firefox\Extensions\{CAFEEFAC-0016-0000-0001-ABCDEFFEDCBA}
2- Edit the maxversion in the install.rdf file to 2.0.*
3- Save the file
4- Pack all the content of this folder (two files and the chrome folder) into a new zip file called temp.xpi
5- Drag this file on a Firefox Window or open it from File - 'open file' menu
6- Install and restart. Now Java Console will be working.
Best Regards
Sergio Abreu

http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6506635
This issue is fixed with yet to be released JRE version 6u02
You can find related information at bugzilla as well:
https://bugzilla.mozilla.org/show_bug.cgi?id=364390

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 at java.lang.ClassLoader.loadClass(Unknown Source)
 at java.lang.ClassLoader.loadClass(Unknown Source)
 at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
 at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
 at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
 at java.lang.Thread.run(Unknown Source)
cache: Had to use super.getManifest() to set manLoaded
java.lang.Exception: AAA
 at com.sun.deploy.cache.CachedJarFile$1.run(Unknown Source)
 at java.security.AccessController.doPrivileged(Native Method)
 at com.sun.deploy.cache.CachedJarFile.ensureAncestorKnowsAboutManifest(Unknown Source)
 at com.sun.deploy.cache.CachedJarFile.<init>(Unknown Source)
 at com.sun.deploy.cache.CachedJarFile.clone(Unknown Source)
 at sun.plugin.net.protocol.jar.CachedJarURLConnection$1.run(Unknown Source)
 at java.security.AccessController.doPrivileged(Native Method)
 at sun.plugin.net.protocol.jar.CachedJarURLConnection.getJarFile(Unknown Source)
 at sun.misc.URLClassPath$JarLoader.getJarFile(Unknown Source)
 at sun.misc.URLClassPath$JarLoader.<init>(Unknown Source)
 at sun.misc.URLClassPath$3.run(Unknown Source)
 at java.security.AccessController.doPrivileged(Native Method)
 at sun.misc.URLClassPath.getLoader(Unknown Source)
 at sun.misc.URLClassPath.getLoader(Unknown Source)
 at sun.misc.URLClassPath.getResource(Unknown Source)
 at sun.plugin2.applet.Plugin2ClassLoader$2.run(Unknown Source)
 at java.security.AccessController.doPrivileged(Native Method)
 at sun.plugin2.applet.Plugin2ClassLoader.findClassHelper(Unknown Source)
 at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
 at java.lang.ClassLoader.loadClass(Unknown Source)
 at java.lang.ClassLoader.loadClass(Unknown Source)
 at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
 at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
 at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
 at java.lang.Thread.run(Unknown Source)
I am alos facing the same problem with ie 8

I'm using Firefox Ver 3.6.10 with updated Java console ver 6.0.22. After the updating, firefox doesn't allow pop up window anymore. Please advise.

I also face this problem in previous Firefox version but after updated to newer release, the problem disappeared until new Java console updates again.
The Pop up does not come out at all.
I have tried restart Firefox but when restarting, a message pop up and tell me that another Firefox is running and after I check into my Task Manager, the Task Manager shows that there is another Firefox is still running.

You can uninstall (remove) the Java Console extensions and disable the Java Quick Starter extension, you do not need them to run Java applets.
See http://kb.mozillazine.org/Java#Multiple_Java_Console_extensions
See also "Hang at exit":
* http://kb.mozillazine.org/Firefox_hangs
* [[Firefox hangs]]

Java console doesn't launch when starting Java Web Start app from Firefox

Updated my Linux desktop from RHEL to Fedora 12 with resultant upgrade of Firefox to 3.5.9 and now when I launch our Java Web Start application, no Java console appears. The Java Control Panel still shows "Show Console" as set. My app uses Java 1.5 which I have installed on my desktop.
What do I do to properly configure my browser/desktop to support use of the Java console?
Please help, I need to debug our app!
Ilane

IlaneMarie wrote:
..Please help, I need to debug our app!Cannot tell you the answer to your FF hassles (because I have no idea why you're seeing that behaviour(1)), but note that you might be able side-step FF by launching a JWS app. using the javaws tool directly from the command line or an Ant build file.
1) Though you might try rebooting the machine if any installation/configuration changes have occurred since last boot.
Also note that many problems with JWS apps. can be sorted be checking the JNLP using JaNeLA.

SOLVED VISTA JAVA 1.6.X 1.6.15 BROKEN JAVA CONSOLE IE8/FIREFOX HANGS

I recently inherited a problem where JAVA was broken on Vista Home Premium whenever you hit the java test page
www.*java*.com/en/download/help/*test*vm.xml*
the browser for both IE8 and FireFox 3.5.2 would just hang which required a forced kill, trying to start the java console through the vista control pannel, for the latest build just failed 1.6.15.
Trying to reinstall JAVA just failed, trying to downgrade JAVA failed trying other possible incompatibilities upgrading to vista SP2 had no effect.
Searching the web I found a number of hints then hit on what was the issue in that there was not one thing wrong but the JAVA install was broken in a number of places and so the problem was multi dimensional. The first task was figuring this out then gluing the pieces together
*If your control panel for JAVA when clicked on barfs a warning ending with "{color:#ff0000}*com.sun.deploy.panel.ControlPanel"{color}* you need to fix this so you can easily access the JAVA configuration parameters
1) First get the java console working put the following code into a file called in mycase javaconsole.bat amend it to suit your version/location of the javaw.exe file
cd C:\"Program Files"\Java\jre6\bin javaw.exe
{color:#0000ff} .\javaw -Xbootclasspath/a:..\lib\deploy.jar -Duser.home="%HOMEDRIVE%%HOMEPATH%" -Dsun.java2d.noddraw=true com.sun.deploy.panel.ControlPanel{color}
This was based of the following thread, whats in blue is a single line
http://forums.sun.com/thread.jspa?threadID=5372196
2) Create short-cut, put this on you desk top double click and say yes to whatever UAC security issue Vista pop's up and console now comes up. The vista control panel icon will remain broken hence the batch script hack to access it
3) Next piece is the java settings controlling the network, should java read the proxy settings from the browser itself FireFox/IE8. This needs to be set to {color:#ff0000}*direct*{color} if using a home network, that has no proxy infrastructure. This information was based of this following thread
http://forums.sun.com/thread.jspa?threadID=5367053
PS IE8 no longer has the JAVA enabled as option in it's own advanced section
4) The above thread has the solution solved at the end as the :-
"It was the default setting for the 'Network Proxy Settings' in the java control panel.
The default setting 'Use browser settings' did not work for us.
We changed it to 'Direct Connection' and now java works correctly."
{color:#ff0000}*HOWEVER READ ALL THE ABOVE THREAD AND IT MENTIONS "the next-gen plugin."*{color}
This is the last key in the puzzle as now you have the control panel working through the batch script also {color:#0000ff}*DISABLE the "Java Pluggin enabled the next generation Java Plug-in" under the security advanced tab*
You will now have a working system for VISTA JAVA
{color}
Edited by: rmccorkl on Aug 23, 2009 11:25 AM

jre 1.6.0_10 beta installtion fixes this problem!

Sun Java Console/JRE

I installed JRE 1.2.2 and was able to run the Sun Java Console, I then installed JRE 1.3.1_04, now I can not open the Sun Java Console Window, I get an hour glass when I select Java Plug-In Control Panel, the hour glass disappears and nothing happens. I am able to build, deploy, run Java apps, but I require the Console Window to be open, there are some values that I need when running the app through IE 5.5
I have tried several things, removing the JRE and reinstalling but doesn't seem to work. Has anyone come across this problem? If so, what did they do to rectify the problem?

Hello,
Finally, I've met your situation. I guess this is due to different JRE directories and registries in different Windows version, I can't fix it. :P
I use a workaround for myself. If none of your current Java Console show up, try install Plug-in 1.4.1_01 or 02 or the newest version. Then use Plug-in 1.4.1_02 Console, to choose your old version of JRE 1.2.2 and make sure only this Plug-in activates IE browser. At last attachs any parameters you needed with the current selected JRE.
If any of your Plug-in can show up, then no need to install newer Plug-in. Just select your target JRE 1.2.2 inside current Plug-in.
That's it!
CMLAM88

Sun Java Console & Applets don't display properly on JRE 1.5.0_05

Duplicate Post as it was equally relavant to this forum: [http://forum.java.sun.com/thread.jspa?threadID=666689&tstart=0 ]
Hi,
We have a signed applet based application hosted on weblogic server. We are trying to launch the application on IE 6.0, JRE 1.5.0_05.
When we try to see the Sun Java Console from IE's Tools Menu bar, we don't see any text in the window and also the side bars & buttons ("clear", 'copy", "close") are not rendered properly. Now if we, try to bring the focus to text area of Sun Java Console, and try to select all (Ctrl+A), we only see some text selected, but not what it is. Now if we copy the text onto the notepad, we can see the text.
Next, when we try to launch the signed applet based application, we get the security warning, where only we can see the dialogue box and not the text or buttons. By randomly clicking on this security dialogue, if we hit on yes, the Applet based application is launched. The UI is totally off color; either you see some widgets on application partially or totally blackened or in different colors. Application basically looks to be in chaos.
This behavior is not observed in any of the previous JRE versions, i.e. JRE 1.5.0_04 or any previous versions. Interesting part is after uninstalling JRE 1.5.0_05, if we install 1.5.0_04; problem persists, but not in JRE 1.4.
We have observed the same behavior on number of machines. Is it a known issue? What�s the reason & solution?
Thanks in Advance,
Vinayak

When we try to see the Sun Java Console from IE's
Tools Menu bar, we don't see any text in the window
and also the side bars & buttons ("clear", 'copy",
"close") are not rendered properly. I suspect you're running into graphics issues. Perhaps java5 is trying to optimize too much, and you have older or buggy Windows drivers.
Try:
* getting the latest graphics drivers for your hardware from your vendor and installing them.
If that doesn't work, try
* putting options like "-Dsun.java2d.noddraw" in the Java Control Panel as the default VM options for your Java.
That's actually a bit aggressive - you can start with, say, "-Dsun.java2d.d3d=false" or "-Dsun.java2d.ddoffscreen=false" (each of these is less drastic than noddraw).
Then make sure you quit all IEs, and restart one.

Recently downloaded Firefox 4. Now when loading it, I get this Java Console Message: TypeError: Components.classes[cid] is undefined I click OK and everything works OK, but this didn't happen before.

Please tell me how I can get rid of a Java Console Msg. every time I load Firefox 4 (which I just updated to). This box pops up when trying to load Firefox: TypeError: Components.classes[cid] is undefined. I have to click on OK before it will load. ANNOYING. This didn't happen until I updated to Firefox 4.

That indicates that you have an add-on that is not compatible with Firefox 4. To find out which one, use the procedure in this link - https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

Java Console 7.0.01 is incompatible with Firefox 7.0.1

As shown on the Firefox Add-on, Java Console 7.0.01 is not compatible with Firefox 7.0.1 and is not enabled.

Look here the '''solution chosen''' and''' James '''reply just below:
https://support.mozilla.com/en-US/questions/861953
thank you

JRE 6 x Mozilla Firefox Java Console problem

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