It appears that ABCL is not ready for Java 9

I tried compiling it and was presented with the following error:
     ....
     [java] ; Loading
C:/Downloads/Armed_Bear_Lisp/abcl-src-1.5.0/build/classes/org/armedbear/lisp/abcl-contrib.abcl
...
     [java]
     [java] ; Compilation unit finished
     [java] ;   The following functions were used but not defined:
     [java] ;     SYSTEM::SOURCE
     [java]
     [java] 311.988 seconds real time
     [java] 249904041 cons cells
     [java] JAVA-EXCEPTION: Java exception
'java.lang.NoSuchMethodException: No applicable method named getURLs found
in java.lang.ClassLoader or
jdk.internal.loader.ClassLoaders$AppClassLoader'.

BUILD FAILED
C:\Downloads\Armed_Bear_Lisp\abcl-src-1.5.0\build.xml:280: The following
error occurred while executing this line:
C:\Downloads\Armed_Bear_Lisp\abcl-src-1.5.0\build.xml:299: Java returned: -1

Total time: 6 minutes 11 seconds

It compiled successfully under JDK_1_8_0_144.  Has anyone else seen this?