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Message #07292
[Bug 525883] Re: Java applet audio with pulseaudio broken (local apps likely broken)
Hello,
I have the same problem in webex and ubuntu 11.04
I try all the proposed solutions above, but none of them worked, I
crated the simbolic link as:
sudo ln -s /usr/lib/jvm/java-6-openjdk/jre/lib/amd64
/usr/lib/jvm/java-6-openjdk/jre/lib/ext/amd64
I added the
grant {
permission java.lang.RuntimePermission "loadLibrary.pulse-java";
permission java.io.FilePermission "/usr/lib/jvm/java-6-openjdk/jre/lib/amd64/libpulse-java.so", "read";
};
to the /etc/java-6-openjdk/security/java.policy
I also created the .java.policy file in the home directory, because I
could not find any.
Nothing worked, I still have the same problem:
Webex report: Audio device is not accessible now
Any suggestions?
(I even tryed to run firefox as root and I got the same error)
Plz, I need more suggestions.
--
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which is subscribed to openjdk-6 in Ubuntu.
https://bugs.launchpad.net/bugs/525883
Title:
Java applet audio with pulseaudio broken (local apps likely broken)
Status in “openjdk-6” package in Ubuntu:
Confirmed
Bug description:
Binary package hint: openjdk-6-jre
Problem: No audio output from applets in firefox using pulseaudio.
charm% lsb_release -rd
Description: Ubuntu 9.10
Release: 9.10
This bug is in a combination of packages:
- openjdk-6-jre 6b16-1.6.1-3ubuntu1
- openjdk-6-jre-lib 6b16-1.6.1-3ubuntu1
- icedtea6-plugin 6b16-1.6.1-3ubuntu1
Examples:
- Webex meetings
- http://www.javazoom.net/applets/tinyplayer/tinyplayer.html
Doing some investigation, I found two things:
- There is a security policy problem for applets using sound
- There is a packaging problem with the location of the native pulse library for java
Working backwards using java stacktraces on stderr, I found the following permissions
were necessary to get audio output from java:
$ cat .java.policy
grant {
permission java.lang.RuntimePermission
"loadLibrary.pulse-java";
permission java.io.FilePermission
"/usr/lib/jvm/java-6-openjdk/jre/lib/ext/i386/libpulse-java.so", "read";
};
Then, I found that the .so file didn't actually exist! Instead, it's
in a different directory:
$ dpkg -L openjdk-6-jre | grep pulse
/usr/lib/jvm/java-6-openjdk/jre/lib/i386/libpulse-java.so
Making a symbolic link fixed everything and made it work:
$ ls -l /usr/lib/jvm/java-6-openjdk/jre/lib/ext/i386
lrwxrwxrwx 1 root root 7 2010-02-22 11:19 /usr/lib/jvm/java-6-openjdk/jre/lib/ext/i386 -> ../i386
I can't say how the policies should be managed for applets, but even
regular java programs aren't likely to work until the packaging is
fixed.
-Dave
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References