What command are you using to run the jar file?<div> </div><div> <div class="gmail_quote">On Wed, Sep 19, 2012 at 12:38 PM, R Kimber <<a href="mailto:richardkimber@btinternet.com" target="_blank">richardkimber@btinternet.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I'm trying to run a jar file (an audio player) but get the following errors: Exception in thread "Thread-1" java.lang.IllegalArgumentException: Master Gain not supported at org.classpath.icedtea.pulseaudio.PulseAudioLine.getControl(PulseAudioLine.java:89) at DSPAudio.run(DSPAudio.java:281) at java.lang.Thread.run(Thread.java:679) Is this issue likely to be a bug in the jar file, a problem with PulseAudio, or might it be solved by installing the Sun/Oracle version of java rather than open java? I seem to have:- java version "1.6.0_24" OpenJDK Runtime Environment (IcedTea6 1.11.4) (6b24-1.11.4-1ubuntu0.12.04.1) OpenJDK 64-Bit Server VM (build 20.0-b12, mixed mode) - Richard -- Richard Kimber Political Science Resources <a href="http://www.PoliticsResources.net/" target="_blank">http://www.PoliticsResources.net/</a> -- ubuntu-users mailing list <a href="mailto:ubuntu-users@lists.ubuntu.com">ubuntu-users@lists.ubuntu.com</a> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-users" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-users</a> </blockquote></div> </div>