[jitsi-users] Error on start-up from command line in Linux

When I start Jitsi from command line in Fedora 19, it prints the error below.

Is that critical? Can it explain interface freezing we are seeing? What has to be done to fix?

It's running against Oracle JDK as we cannot have OpenJDK on our machines for internal reasons:

$ `which java` -version

java version "1.7.0_51"

Java(TM) SE Runtime Environment (build 1.7.0_51-b13)

Java HotSpot(TM) 64-Bit Server VM (build 24.51-b03, mixed mode)

figoli

$ jitsi

ALSA lib pcm_dsnoop.c:618:(snd_pcm_dsnoop_open) unable to open slave

ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave

ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear

ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe

ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side

ALSA lib pcm_dmix.c:961:(snd_pcm_dmix_open) The dmix plugin supports only playback stream

ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave

09:23:54.406 SEVERE: [13] org.jitsi.impl.neomedia.device.DeviceConfiguration.error() Failed to register custom Renderer org.jitsi.impl.neomedia.jmfext.media.renderer.video.JAWTRenderer with JMF.

java.lang.UnsatisfiedLinkError: /usr/share/jitsi/lib/native/libjnawtrenderer.so: libjawt.so: cannot open shared object file: No such file or directory

        at java.lang.ClassLoader$NativeLibrary.load(Native Method)

        at java.lang.ClassLoader.loadLibrary1(ClassLoader.java:1965)

        at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1890)

        at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1880)

        at java.lang.Runtime.loadLibrary0(Runtime.java:849)

        at java.lang.System.loadLibrary(System.java:1088)

        at org.jitsi.impl.neomedia.jmfext.media.renderer.video.JAWTRenderer.<clinit>(JAWTRenderer.java:90)

        at java.lang.Class.forName0(Native Method)

        at java.lang.Class.forName(Class.java:190)

        at org.jitsi.impl.neomedia.device.DeviceConfiguration.registerCustomRenderers(DeviceConfiguration.java:1028)

        at org.jitsi.impl.neomedia.device.DeviceConfiguration.<init>(DeviceConfiguration.java:355)

        at org.jitsi.impl.neomedia.MediaServiceImpl.<init>(MediaServiceImpl.java:141)

        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)

        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)

        at java.lang.Class.newInstance(Class.java:374)

        at org.jitsi.impl.libjitsi.LibJitsiImpl.getService(LibJitsiImpl.java:133)

        at org.jitsi.impl.libjitsi.LibJitsiOSGiImpl.getService(LibJitsiOSGiImpl.java:86)

        at org.jitsi.service.libjitsi.LibJitsi.invokeGetServiceOnImpl(LibJitsi.java:163)

        at org.jitsi.service.libjitsi.LibJitsi.getMediaService(LibJitsi.java:115)

        at net.java.sip.communicator.impl.neomedia.NeomediaActivator.start(NeomediaActivator.java:380)

        at org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:629)

        at org.apache.felix.framework.Felix.activateBundle(Felix.java:1904)

        at org.apache.felix.framework.Felix.startBundle(Felix.java:1822)

        at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1192)

        at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:266)

        at java.lang.Thread.run(Thread.java:744)

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