dicomscope fails to run, no jInterface

just installed dicomscope.
ubuntu 18.04.1
4.15.0-43-generic

dt1:dicomscope
starting DICOMscope
please wait...
Exception in thread "main" java.lang.UnsatisfiedLinkError: no jInterface in java.library.path: [/usr/lib/jni, /usr/lib/arm-linux-gnueabi/jni, /usr/lib/arm-linux-gnueabihf/jni, /usr/lib/i386-gnu/jni, /usr/lib/i386-linux-gnu/jni, /usr/lib/i386-kfreebsd-gnu/jni, /usr/lib/mips-linux-gnu/jni, /usr/lib/mipsel-linux-gnu/jni, /usr/lib/powerpc-linux-gnu/jni, /usr/lib/powerpc-linux-gnuspe/jni, /usr/lib/sparc-linux-gnu/jni, /usr/lib/x86_64-linux-gnux32/jni, /usr/lib/hppa-linux-gnu/jni, /usr/lib/sh4-linux-gnu/jni, /usr/lib/m68k-linux-gnu/jni]
 at java.base/java.lang.ClassLoader.loadLibrary(ClassLoader.java:2654)
 at java.base/java.lang.Runtime.loadLibrary0(Runtime.java:876)
 at java.base/java.lang.System.loadLibrary(System.java:1875)
 at main.MainContext.<clinit>(MainContext.java:58)
 at dicomscope.DICOMscope.main(DICOMscope.java:91)