装完jre后lumaQQ运行出现下列报错，

游魂

[root@DX /usr/local/LumaQQ]# Exception in thread "main" java.lang.NoClassDefFoundError: org.eclipse.emf.ecore.plugin.EcorePlugin
   at java.lang.Class.initializeClass (libgcj.so.7)
   at org.eclipse.emf.ecore.resource.impl.URIConverterImpl.<clinit> (URIConverterImpl.java:207)
   at java.lang.Class.initializeClass (libgcj.so.7)
   at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.getURIConverter (ResourceSetImpl.java:411)
   at org.eclipse.emf.ecore.resource.impl.ResourceImpl.getURIConverter (ResourceImpl.java:835)
给个解释。