java.lang.UnsatisfiedLinkError

[shzyjbren]

I'm getting an odd java error. I previously had used the program successfully.

Exception in thread "main" java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoader.java:58)
Caused by: java.lang.UnsatisfiedLinkError: ../jdk1.8.0_321/jre/lib/amd64/libawt_xawt.so: libXtst.so.6: cannot open shared object file: No such file or directory
        at java.lang.ClassLoader$NativeLibrary.load(Native Method)
        at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1934)
        at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1817)
        at java.lang.Runtime.load0(Runtime.java:810)
        at java.lang.System.load(System.java:1086)
        at java.lang.ClassLoader$NativeLibrary.load(Native Method)
        at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1934)
        at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1838)
        at java.lang.Runtime.loadLibrary0(Runtime.java:871)
        at java.lang.System.loadLibrary(System.java:1122)
        at java.awt.Toolkit$3.run(Toolkit.java:1636)
        at java.awt.Toolkit$3.run(Toolkit.java:1634)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.awt.Toolkit.loadLibraries(Toolkit.java:1633)
        at java.awt.Toolkit.<clinit>(Toolkit.java:1670)
        at java.awt.Font.<clinit>(Font.java:246)
        at util.LineageDisplayConfig.<clinit>(LineageDisplayConfig.java:90)
        at lineage.LineageEngine.buildLineage(LineageEngine.java:143)
        at lineage.LineageEngine.main(LineageEngine.java:396)
        ... 5 more