Samebug tips8

A few things cause this exception: 1) Check if you have all jars and if they're in the correct path when running. 2) Your classpath might be broken, you can define it in the command line with "java -cp yourClassPath" or at your IDE if you're using one.


If you're using Hibernate, this indicates you're missing FasterXML Classmate dependency, which you can add to your dependencies. To add it, the groupId is com.fasterxml and artifactId is Classmate.


Don't give up yet. Our experts can help. Paste your full stack trace to get a solution.

Solutions on the web12855

  • via GitHub by tangmeng09
  • via GitHub by tangmeng09
  • Stack trace

    • java.lang.NoClassDefFoundError: org/jitsi/impl
    • eomedia/codec/FFmpeg at at<init>( at java.lang.Class.forName0(Native Method) at java.lang.Class.forName( at org.jitsi.impl.neomedia.codec.FMJPlugInConfiguration.registerCustomCodecs( at org.jitsi.impl.neomedia.MediaServiceImpl.setupFMJ( at org.jitsi.impl.neomedia.MediaServiceImpl.<init>( at java.lang.Class.forName0(Native Method) at java.lang.Class.forName( at org.jitsi.impl.libjitsi.LibJitsiImpl$ServiceLock.initializeService( at org.jitsi.impl.libjitsi.LibJitsiImpl$ServiceLock.getService( at org.jitsi.impl.libjitsi.LibJitsiImpl.getService( at org.jitsi.impl.libjitsi.LibJitsiOSGiImpl.getService( at org.jitsi.service.libjitsi.LibJitsi.invokeGetServiceOnImpl( at org.jitsi.service.libjitsi.LibJitsi.getMediaService( at org.jitsi.videobridge.Videobridge.start( at org.jitsi.videobridge.VideobridgeBundleActivator.start( at org.jitsi.impl.osgi.framework.BundleImpl.start( at org.jitsi.impl.osgi.framework.launch.FrameworkImpl.startLevelChanged( at org.jitsi.impl.osgi.framework.startlevel.FrameworkStartLevelImpl$ at org.jitsi.impl.osgi.framework.AsyncExecutor.runInThread( at org.jitsi.impl.osgi.framework.AsyncExecutor.access$000( at org.jitsi.impl.osgi.framework.AsyncExecutor$ Caused by: java.lang.ClassNotFoundException: org.jitsi.impl.neomedia.codec.FFmpeg at at java.lang.ClassLoader.loadClass( at sun.misc.Launcher$AppClassLoader.loadClass( at java.lang.ClassLoader.loadClass( ... 23 more

    Write tip

    You have a different solution? A short tip here would help you and many other users who saw this issue last week.

    Users with the same issue

    8 times, last one
    7 times, last one
    17 times, last one
    Unknown visitor
    Unknown visitorOnce,
    2420 more bugmates