Ubuntu :: Can't Seem To Be Able To Get Java Working On Computer Which Is Running 9.10 And Firefox 3.6?

Feb 10, 2010

I can't seem to be able to get Java working on my computer which is running Ubuntu 9.10 and firefox 3.6. I have followed instructions to download Java and when I restart firefox there is no Java plugin and it does not appear to be installed.

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CentOS 5 :: Java Not Working In Firefox After Java Upgrade

Apr 5, 2010

After upgrading java (jre) to 1.6.0_19, the java plugin no longer loads into Firefox. All the rest of my plugins from /usr/lib/mozilla/plugins/ load fine.Java can be a pain such a pain the neck!

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Ubuntu :: Having Multiple Versions Of Java Running On The Same Computer

Feb 4, 2010

The main problem is that the software was developed about 15 years ago and is incompatible with the most current version of Java. I would like to know how to install an older version of Java so that I can use it with just this one application, without changing the version of Java that I use for everything else.

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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: www.java.com/en/download/help/testvm.xml
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 Java.com 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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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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Ubuntu :: Sound Not Working When Java Running?

Mar 28, 2011

I have this problem that whenever java is running (eg. Runescape), sound works only in the Java window, and I don't get sound from flash, mp3s or anywhere else.I found several similar threads but most of them were unsolved, and the few solutions didn't work.Note: Earlier, I used to use IcedTea browser plugin for java, which didn't seem to give any sound problems, though was a bit glitchy otherwise. This problem started only after switching to the Java plugin found

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Ubuntu :: Java Not Working On Firefox After Update?

Mar 7, 2011

On Lucid after yesterday's upgrade to Firefox 3.6.14, Java isn't working properly.On a website that I often use, the navigation buttons are appearing erratically - either not at all (just white spaces) or some are present but others are not. They work perfectly with Chrome.I have sun-java6-jre, sun-java-bin and sun-java6-plugin installed, and the latter is enabled in Firefox.

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Fedora :: Possible To Get Sun Java Working In Firefox 4.0

Mar 24, 2011

Is anyone get Sun Java work in FF 4.0. It works fine in 3.6. Is there new folder to point or what cause this. In plug-ins it does not show up.

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Ubuntu :: Firefox 4.0 - How To Get Java 1.6.0_21 Plugin Working

Aug 28, 2010

I don't get the java plugin 1.6.0_21 working in Firefox 4.0b5pre. I deleted icedtea with the synaptic package manager and then I installed java 1.6.0_21 with chmod a+x and ./ .Everything goes well so far without any fault message. Then I created a symlink with ln -s ...but here I get no message. After I checked the java plugin in firefox and there was nothing I checked with java -version if java is there and there was no java installed.

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Fedora :: Firefox Sun Java Plugin Not Working?

May 31, 2010

I have installed a fresh fedora 13. I was trying to install Sun Java so I just followed the instruction given here. everything went al-right and I am now able to open Java applications. The problem is that I can't get the Firefox Java plugin to work! I have tried many things but Firefox doesn't even show the plugin in the about: plugins page.My Firefox version is 3.6.3 and I am using java version 6 update 20.

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Fedora :: Firefox Java Plugin - Isn't Working

Jun 29, 2010

I downloaded java file from the official site and installed it successfully, but the plug isn't working yet! i can't figure out the missing step after the installation!

firefox: 3.6.4
plug in: jre-6u20-linux-i586-rpm

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General :: Nor Firefox Or Opera / Java Not Working.

Aug 2, 2009

i've been using linux for a while and migrated from ubuntu to fedora, found out ubuntu too easy. I'm currently trying to configure my fedora 11 but i cant make java work on opera or firefox, they both keep saying i need to install it but everytime i download or the YUM package or the .rpm it says it is already installed!

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Software :: Firefox - Java Plugin Not Working?

Mar 1, 2010

I have both firefox-3.0.18 and java installed on my RHEL5 64-bit system. But for some reasons, java plugin is not working in firefox. $va -versionjava version "1.6.0_18"Java(TM) SE Runtime Environment (build 1.6.0_18-b07)Java HotSpot(TM) 64-Bit Server VM (build 16.0-b13, mixed mode)As per previous recommendation from this forum, I made soft link for libjavaplugin_jni.so in firefox/plugins directory.

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OpenSUSE Network :: Java Video Not Working After Firefox 3.5.9?

Apr 15, 2010

after the upgrade to firefox 3.5.9 yesterday, video from my internet camera doesn't appear. Firefox loads the web page from the camera, but the box in the web page containing the video stream doesn't show up.my system is opensuse 11.1, 64-bit. I temporarily downgraded to firefox 3.0.18 and the video worked as usual. By shutting off plugins, I found it was the IcedTea Java web browser plugin 1.6.2 that was driving the video. so I upgraded back to firefox 3.5.9, started looking for an upgraded version of the Java plugin, but the software manager shows that the latest is java-1_6_0-openjdk-plugin (1.6.2_b16-0.1.1 x86_64) and that it is already installed.

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Ubuntu :: Install Java And Firefox Java Plugin On 10.10?

Jan 28, 2011

How to install java and firefox java plugin on Ubuntu 10.10?

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Slackware :: Installing Java Error - When Trying To Run A Java App With The Firefox Plugin - Browser Crashe

May 29, 2011

Code: ~ $ /usr/java/jre1.6.0_25/bin/java -showversion Error occurred during initialization of VMjava/lang/NoClassDefFoundError: java/lang/Object

That's the error I get. When trying to run a java app with the firefox plugin, the browser simply crashes if it's the 64bit java or tells me it's not installed if it's the 32bit version.

I'm at a loss as to what to do. I think it has something to do with leftover gunk from a previous version I misinstalled(Is that even a word?) Anyway, the only thing that google could come up with was a solution for windows which laid blame on Bill Gates for having a bunch of pf (java prefetch) files stuffed into c:windows for no apparent reason. The solution was to delete them, but I can't seem to find the java prefetch folder in linux. The method I used is downloading the rpm from java.com the rpm2tgz then installpkg then cp libnpjp2.so to firefox plugins folder.

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OpenSUSE :: FireFox 5.0 - With IcedTea - Plugin Error: "Failed To Run /usr/lib64/jvm/java-1.6.0-openjdk/jre/bin/java"

Jul 10, 2011

I use openSUSE 11.4 64 bits, KDE and FireFox 5.0. I regularly update. When trying to reach my bank, I get the following error: Code: icedteanp plugin error: Failed to run /usr/lib64/jvm/java-1.6.0-openjdk/jre/bin/java. For more detail rerun "firefox -g" in a terminal window. Is there anything I can do to remediate ? Does IcedTea everything that Java does?

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Ubuntu :: Update Java On The Computer?

Sep 15, 2010

How can I update my Java on the computer.

I checked in the website [URL] and downloaded the recommended package for the java update, but I am not able to open it.

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Ubuntu :: How To Get Java Up And Running

Feb 12, 2010

I just did an upgrade from 8.04 to 9.04 and i'm loving it. I just need to get Java working so I can use ..... and stuff like that. I installed OpenJDK and the plugin but I can't figure out how to get it to work in Google Chrome or even Firefox.

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Ubuntu :: How To Get Java In Firefox

Aug 24, 2010

I'd like to know if there's an easy way to get Java installed in Firefox, without having to download from Java.com and installing manually.

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Ubuntu :: Running SQL Queries Through Java?

Jun 20, 2010

I would like some help to run sql queries in Ubuntu. For a school IT project, we must write a Java program that runs queries. Seeing that I'm going away on holiday and will be away from my Win7 desktop, I will have to work on my Ubuntu laptop. When I run my program, I get these two sql exceptions:


No suitable driver found for jdbc:odbc:ITPAT2010

Note: it is not my program that is causing the problem, since it works fine on Win7. But here's my code anyway:


void OpenDB()
System.out.println("INTO BRIDGE");
String url = "jdbc:odbc:ITPAT2010"; //JOU BRUG SE NAAM


I believe the drivers that handles the connection to the database aren't installed. The format of my database is: *.accdb (was created on Win7 using Office 2010). I can't open this file, probably because I have no database programs installed?

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Server :: Java Is Not Running In Ubuntu 10.10

May 13, 2011

I am the new user of linux and installing eclipse IDE in the ubuntu server10.10. I have followed the steps given in the links [URL] and [URL]. After installing sun-java6-bin, sun-java6-jre and sun-java6-jdk, java is not running in my ubuntu server10.10. and got error like this

$ java -version
Error: could not open '/usr/lib/jvm/java-6-sun-'
$ javac -version
Error: could not open '/usr/lib/jvm/java-6-sun-'
$ javac HelloWorld.java
Error: could not open '/usr/lib/jvm/java-6-sun-'
$ java HelloWorld
Error: could not open '/usr/lib/jvm/java-6-sun-'

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Ubuntu :: Run A Java Application (minecraft) The Computer Occasionally Freezes

Jul 25, 2011

When I run a java application (minecraft) the computer occasionally freezes. I'm not sure which version of Java I have. The online java app for telling you which version I have says that I have an old version. The command line says I have an up to date version. If I need to update Java Sun , how do I do it ? I followed the instructions once and didn't work.

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Ubuntu :: Firefox 3.7 And Java-plugin ?

Jan 1, 2010

Anyone know how to get the sun java plugin to work with firefox 3.7? Any files I need to copy over to a different folder or anything?

I just installed Firefox 3.7 from the Mozilla Daily PPA and thats the only thing currently not showing up.

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Ubuntu :: Java Won't Work With Firefox 3.6?

Jan 28, 2010

I downloaded Firefox 3.6 from the Mozilla website, and installed Java Runtime and Java Browser Plugin from Ubuntu Software Center, but Java will not work within Firefox, it works with Firefox 3.5.7 installed from the repositories, but I really want to use Firefox 3.6. I've even tried UbuntuZilla, without any success. This is annoying as I visit a lot of Java enabled websites.

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Ubuntu :: How To Install Java For Firefox

Jan 29, 2010

Is this the real java website [URL] or is it malware?

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Ubuntu :: Firefox 3.6 Cannot Work Java

Feb 25, 2010

Problem : Cannot get Firefox to work with Java
Firefox version : 3.6
Firefox Plugins : Java not showing in Firefox plugins
Operating system : Ubuntu 9.10 (Linux)
Java install :

Instruction : I have tried to follow the instruction from the lnks but still cannot get it to work.

Links: [URL]

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Ubuntu :: Getting Java To Work In Firefox?

May 5, 2010

Right now I'm running Firefox 3.6.4. In ~/.mozilla/plugins I have a link to the Java plugin. I'm using Java version 6 update 20.

For some reason, Firefox will not acknowledge that I have the Java plugin installed. It won't show up under Add-ons > Plugins, and if I go to a web page that requires Java, it says I don't have it installed.

I've even moved my ~/.mozilla/firefox directory, allowing Firefox to create a new empty preferences directory, and Java still won't show up.

However, Java shows up just fine in Firefox 3.5. How do I get Java enabled?

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Ubuntu :: Installing The Java For Firefox?

Jun 26, 2010

how to get java running for firefox. Ubuntu always gets me so pissed off because it's so hard to get the most simple things installed. I have 10.04

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Ubuntu :: Firefox And Java Plugin ?

Aug 27, 2010

I opened Firefox, and tried to use an Internet speed tester that requires Java. I've always used this with no problems. Today, I'm having problems with it. It told me to check that my Java plugin was enabled, or whatnot. I looked at Tools > Add-Ons > Plugins, and found that Java is gone....

What's up with that? I'm using the latest version of Firefox (version 3.6.8 / Mozilla Firefox for Ubuntu cononical - 1.0) on Ubuntu 9.10.

I checked with Synaptic Package Manager, and I found sun-java6-jre, and all of it's related packages, openjdk-6jre-* packages, etc. were installed (over ten packages with 'java' or 'jre' and '6' in the package names).

So, I don't understand why Tools > Add-Ons > Plugins doesn't show my java plugin anymore. I also checked about: plugins (had to put a space between the colon and 'plugins' because a smiley shows up aboutlugins), but there was nothing in there about java either.

What's going on? Has Ubuntu decided it doesn't want to use Java (I remember reading something about Oracle changing the license for Sun Java somewhere)? Or is this a fluke?

Either way. Synaptic Package Manager says Java is installed... So, what else do I need to do to fix this? I read other posts about Firefox and Java, but they were about installing java, and the like, and I have Java installed....

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