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Linux: Firefox and Java Applet
By kmaclean - 2/2/2016

Firefox works with VoxForge Java applet on Linux

Ubuntu & Linux Java

(see: How To Install Java on Ubuntu with Apt-Get)

install OpenJDK (Java on Ubuntu) and Icedtea (browser plugin)

$ sudo apt-get install default-jre

$ sudo apt-get install icedtea-7-plugin

restart firefox

Fedora & Linux Java

(see: Java FAQ)

install OpenJDK (Java on Fedora) and Icedtea (browser plugin)

$ su -c "dnf install java-1.?.0-openjdk"

$ su -c "dnf install icedtea-web"

restart firefox

Fedora and Oracle Java

You need to follow the instructions on this page: Use the Java plugin to view interactive content on websites, which then point you to Oracle's Manual Installation and Registration of Java Plugin for Linux article for help installing or updating Java on your Linux system.

Basically, you need to install Oracle version of Java.  Then create a link to the Java plugin file is included as part of that install in Mozill'a plugin directory, as follows:

1. go to firefox plugin directory:

$ cd ~/.mozilla/plugins

2. create link to the Java browser plugin:

for Intel-based computers:

$ ln -s /usr/java/latest/jre/lib/i386/libnpjp2.so .

or for AMD-based computers:

$ ln -s /usr/java/latest/jre/lib/amd64/libnpjp2.so .

3. restart firefox

 

Windows: Google Chrome and Java Applet
By kmaclean - 5/6/2015

The Java plug-in for web browsers used by the VoxForge applet relies on the NPAPI (Netscape Plug-in API) cross platform plugin architecture.

Starting with Windows Chrome Version 42, Google has added an additional step to configuring NPAPI based plugins like Java to run

  1. In your URL bar, enter:
    chrome://flags/#enable-npapi
  2. Click the Enable link for the Enable NPAPI configuration option.
  3. Click the Relaunch button that now appears at the bottom of the configuration page.

(Note: Chrome NPAPI support was removed from the Linux platform starting with Chrome version 35)

You can still use:  Firefox, Internet Explorer or Safari.

 

Update - Sept 15, 2015, from Google website:

Plugin-based content doesn't work on Chrome

To make browsing with Chrome safer, faster, and more stable, we stopped allowing NPAPI plugins on September 1, 2015.

Plugins that use NPAPI, including Silverlight, Java, and Unity, won’t work.

Linux: Google Chrome and Java Applet
By kmaclean - 9/27/2014

from the Oracle Java faq:

Chrome and Linux

Starting with Chrome version 35, NPAPI (Netscape Plug-in API) support was removed for the Linux platform. For more information, see Chrome and NPAPI (blog.chromium.org).

Firefox is the recommended browser for Java on Linux.

From Slav' post: What does the removal of NPAPI plugin support mean to an end user?

 

 

Proxy Servers
By kmaclean - 1/14/2016

If your browser is behind a proxy server, please set up your Java JRE as follows: 

Julius Interface
By priya - 1/28/2015

can julius be interfaced with visual studio?

SOLVED: Problems with Java 6 Update 16 and greater on Fedora 12 and Ubuntu 10.04
By kmaclean - 6/14/2010 - 3 Replies

The speechsubmission applet does not seem to work with newer versions of the OpenJDK (see this bug report [Bug 540962] [abrt] crash detected in java-1.6.0-openjdk-1:1.6.0.0-33.b16.fc12 ).

As a workaround, you will need to install Sun's Java:

Java security error
By Jeevesbond - 8/22/2010 - 8 Replies

The Java applet generated a security error for me: 'access denied (javax.sound.sampled.AudioPermission record)'.

Unfortunately I lacked more than five minutes to try and fix the issue, so gave up trying.

Linux: Browser has Java disabled
By kmaclean - 5/8/2010

The message: "Browser has Java disabled" may be the result of Java and your browser plugin not being installed:

uploading never finishes
By mdeisher - 10/6/2008 - 10 Replies

The java applet seems to behave just fine (recording and playback work) but when I upload the result, the "Uploading..." message is displayed and it never completes.  I waited about 20 minutes.  Suggest that you add a progress meter or some way to confirm that the upload is happening.  Also suggest you add the capability to save the zip file locally so that the recordings are not lost and can be sent it manually.

Error on Mac OS X
By Robert (Jamie) Munro - 4/30/2008 - 6 Replies

I'm getting the error:
ERROR Line matching interface TargetDataLine supporting format PCM_SIGNED, 48000.0 Hz, 16 bit, mono, little-endian not supported.
in the area where the waveform should appear, on "Java Version: 1.5.0_13 from Apple Computer, Inc."

This is almost the same error as this trac ticket: http://www.dev.voxforge.org/projects/Main/ticket/193

I can't see how to get a trac login and reopen that ticket.

No sound
By Sergey - 4/29/2008 - 19 Replies

I have got a studio quality USB microphone "Snowball" but when I try to record my voice using the applet it records silence. I tested the microphone in Audacity - it works (though I need to adjust the sample rate) and my java seems to be good: java version "1.6.0_03".

What might be wrong?

 

P.S. I am using Russian version of the aplet http://www.voxforge.org/ru/read

and my computer is Ubuntu 7.10, kernel 2.6.22.14-generic, GNOME 2.20.1, Memory 2GB, CPU AMD X2 Dual Core BE-2400 

Thanks a lot,

--Sergey

 

recent Java gives empty grey box
By V - 3/16/2008 - 4 Replies

Hi!

According to every java testing site I have Java 1.7 properly installed, still I see only an empty grey box  on the Troubleshooting page. (And can't find the applet in general.)