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[Bug 525883] Re: Java applet audio with pulseaudio broken (local apps likely broken)
Sounds like the same problem in 10.10 for me.
Last week (on 10.04) I attended a Webex - Java - webinar on OpenERP.
Audio was fine.
This week, I attempted to join a further webinar from the same company
again via webex. I am now running a fresh 10.10 64bit Desktop install.
The conference loads OK but sound fails to work. When I try to join the
audio I get the following message:
"The Audio Device is Unaccessible Now"
Trying a simple java audio device
also fails to produce any audio but no error messages to the user.
I tried adding a "Policy" as above, but this didn't seem to make any
difference. The statement I added was:
// Added by me to try and fix broken audio in Webex.
// Link to source: https://lists.launchpad.net/openjdk/msg02992.html
Java applet audio with pulseaudio broken (local apps likely broken)
You received this bug notification because you are a member of OpenJDK,
which is subscribed to openjdk-6 in ubuntu.
Status in “openjdk-6” package in Ubuntu: Invalid
Binary package hint: openjdk-6-jre
Problem: No audio output from applets in firefox using pulseaudio.
charm% lsb_release -rd
Description: Ubuntu 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
- Webex meetings
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
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
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.