Что не так с classpath?

${JAVA} -Djava.library.path=.:./lib -classpath ${PKB_CLASSPATH} org.sf.pkb.gui.PKBMain

LinkError: no swt-mozilla-gtk-3555 or swt-mozilla-gtk in swt.library.path, java.library.path or the jar file)

$ ls lib/                                                                                                                           
derby.jar       lucene-3.0.0.jar  swt-3.5-gtk-linux-x86.jar     swt-3.5-win32-win32-x86.jar
jface3.5.1.jar  pkb_util.jar      swt-3.5-gtk-linux-x86_64.jar  swt-3.5-win32-win32-x86_64.jar