Ubuntu :: No Sound In Java / Get It?
Jun 21, 2010
I use a web-based teleconferencing tool that is Java-based (on Linux anyway). At the moment it is completely unusable because there's no sound. Apparently Java tries to open the device directly and this of course doesn't work with PulseAudio. I tried wrapping it in padsp but that didn't do anything. I'm using Sun Java SE 1.6.0_20 64-bit. Any of the so-called alternatives -- gcj, OpenJDK, Cacao, you name it -- won't even load the applet (or any other Java program I've used) so they're not an option. We have a heatwave coming, people will be working from home and I need to stay in touch with my teams. Any ideas how to get this working that don't involve wiping out Ubuntu and installing Windows (also not an option because sound input, i.e. skype, also doesn't work in Ubuntu under VirtualBox).
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Feb 4, 2011
Today I noticed a large sound gap while playing Minecraft. There is about a second of lag between an action and the sound effect. This wasn't happening the night before, and I thought it might be a problem with Java or Minecraft until I noticed it on a flash application in Firefox. I've tried killing pulse audio, but I noticed nothing. I also looked into the sound preferences and tried the speaker test, which had no lag.
Other possibly relevant information : I dual boot my laptop with Windows 7 and Ubuntu 10. Ubuntu has some updates ready, but I don't believe its relevant because the problem just started.
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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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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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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 applet.it'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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Oct 27, 2010
This web page....the Java works fine...the sound does not work. I am using Ubuntu !0.10...it worked in 10.04 but not now. [url]
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May 26, 2010
I just installed Fedora 12 and after downloading and running the Java Sound Demo I get exceptions. If I run just a vanilla Java program that plays a .wav file it runs silently with no sound and no exceptions.
Every other app seems to play sound. I also took some advice from this thread in the Ubuntu forums which almost seemed to work. (Installing aoss got rid of the initial exceptions in the sound demo but I still hear nothing when I play.) I'm getting frustrated by the individual hoops I have to go through to eek sound out of my speakers when running Java apps on Linux platforms!
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Nov 7, 2010
All Java apps online have random, garbled sound.
i do have the real Java, not icedtea.code...
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May 30, 2010
My sound on Runescape stops and picks up, is very choppy and annoying. I'm using Debian "Lenny". Sound on everything else works just fine (Flash, VLC, etc...)
Here are the Java packages I have installed:
Here is my computers hardware:
Intel Core 2 Duo 1.8Ghz
2GB RAM
250GB HDD
nVidia 8600GT
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Jul 26, 2010
I've just installed java (jre-6u21-linux-i586.bin) on Red Hat 4.4 AS and issued this command to check the java version: java -versionand got :bash :java: command not found
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Feb 18, 2011
If you are interested, Java SE 6 Update 24 is available. The Check Java Version link in my signature will tell you if you are up to date or not. The Update Java Version link in my signature will tell you how to obtain and install the latest version. The 32 bit version install directions are on the left side of that page and the 64 bit instructions are on the right side.
Just remember to remove the current version before installing the new one as it says in the instructions. The remove instructions are below the install instructions. Also, in Step 9 - "Now you'll want to tell the system, that there's a new Java version available." See the note below it that says if you get an error upon entering the command once, enter it a second time. I have to do that and sometimes forget. Just thought I would mention that. These instructions are already setup for version 6 update 24, but they can be modified for any update and they will work. I have been using these instructions for a couple of years and they work.
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Jan 28, 2011
How to install java and firefox java plugin on Ubuntu 10.10?
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Jun 13, 2011
I try to install the java plugin but the java test pages show not installed. I have tried the openjdk-6-jdk package and the Oracle/Sun 1.6.0_26 version to no avail.
Is there some good instructions page someplace? I have yet to find a set of instructions that provides something clear that works.
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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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Feb 18, 2011
This is my first post and I'm pretty new on Debian. I had used Ubunu for a while now and I've decided to move on Debian Squeeze.But I've one problem: I've a Java programm to install and the installer is GUI Java based. When I run the script, I've the next message:
Preparing to install. Extracting the JRE from the installer archive.Unpacking the JRE.Extracting the installation resources from the installer archive.Configuring the installer for this system's environment.Launching installer Graphical installers are not supported by the VM. The console mode will be used instead. Preparing CONSOLE Mode Installation. But this program is not able to run the installation in console mode.
I've tried to install sun-java6-jre but without success.Has anyone an idea to help me install this programm? My Configuration: Debian Squeeze 6.0 amd64.
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Jan 19, 2010
Java is installed in linux machine and when I enter the command java -version it shows java is not found.At the same time when i run from the folder where its installed with ./java -version it works.
first of all why its not working from any other place? also why do I need to give ./ from the folder?
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Jan 29, 2010
Do Windows XP, Vista, Windows 7 and all Linux distributions have Java JRE installed so end-users don't have to install it to run Java applications?
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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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May 1, 2010
I have installed CENTOS / PHP 5.1.6 / JAVA 1.5.0_20. Now i want to install JAVABRIDGE for PHP and JAVA title should list in the PHP_info page.
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Aug 26, 2010
If I want to install Java on Ubuntu: which Java version should I take?
OpenJDK or Sun Java ?
What is mostly used on Ubuntu?
What are the pros and cons?
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May 6, 2011
I would like to install JRE-6u25 on ubuntu.
When I go on the website I see only RPM and another download called:
linux self extracting. The file name for this one is: JRE-6u25-linux-i586.bin
It says to restart the browser after install.
I want to install java to play minecraft. I'm having some speed issues using openJDK.
Would the self extracting file work for minecraft standalone? (I tried playing in a browser without success).
Is using the self extracting file the same as using say the RPM?
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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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May 22, 2011
How can i set java sun primary instead of java jdk without uninstalling the jdk in suse 11.4?
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Aug 3, 2010
I was just using the mic and watched it stop working suddenly. I was in the middle of a skype test call when the graphical mixer level died down to zero in the middle of the call. When the test call was played back, the first part sounded fine then the sound got lower until it became inaudible. Since then I can't get any sound from my mic in skype.
Also, the audio input level graphically shown in Sound Preferences shows no fluctuations in sound as it used to before. The input device is enabled. I tried using Sound Recorder to record some sound clips and that worked fine. So the mic is working but Sound Preferences and Skype seem to have the mic level really low. I'm not sure what else to think considering it was working perfectly a few minutes ago. I've tried restarting, but that didn't fix it either.
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Feb 23, 2011
i try to open a java app, the launch proceeds as far as the final stages, but then stops to do the final sequences showing the error msg listed above.
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Mar 24, 2010
After installing an external sound card, Im having some weird issues. The cards chipset is fully supported by suse, (CM8738) so I dont think thats the problem. Besides, I'm getting sound, but not in some applications. The system's sounds work just fine (login, logout themes) amarok plays without any problems, kaffeine, mplayer they all work flawlessly, in fact I can see the difference in quality between the onboard sound and my new card. However, no web browser is able to play any sound at all, firefox, opera or chrome, nothing,zip. Plus, vlc cant reproduce sound either, nor can smplayer.
I've tried switching channels on and off(muting)in kmixer and in alsamixer, on the console, with no results. I disabled the onboard audio on the bios before installing the new card, however my ati video card has integrated sound, which I cant disable.... I used to get this exact same problem randomly with the onboard sound, but I just had to go to kmixer and turn up the "pcm" channel volume, which was set to 0, and I had sound again on my browser. However this card's pcm channel is at max and turning it up or down affects the whole systems volume, not just the browser's. Is it better to just reinstall the sound system, if so how could I do that.
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Jul 28, 2009
I bought a Diamond Xtreme Sound 5.1 sound card because I had read online that this card was a good choice with Linux and came with universal driver software. I installed the hardware correctly (as it works with WinXP) but I'm not able to get it working with Ubuntu.
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Mar 4, 2011
I'm trying to install java 1.7 but every time i install java it gets 1.6.
Does anyone know how i can get 1.7
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Oct 21, 2010
Last nights upgrade of java-1.6.0-openjdk-1.6.0.0-43.1.8.2.fc13.i686 and java-1.6.0-openjdk-plugin-1.6.0.0-43.1.8.2.fc13.i686 prevent the loading of Ameritrades Command Center.Downgrading to version 1.6.0.0-37 fixes the problem. I'll post the bugzilla number as soon as I get the chance to file it.
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Jan 3, 2010
I am unable to hear any sound at all using my M-audio delta 44 soundcard (which works fine in Windows - Dual boot).how I can get this working?
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