--- a/configure.ac-old	2018-11-12 06:51:15.504128408 +0100
+++ b/configure.ac	2018-11-12 06:52:32.427358015 +0100
@@ -6898,6 +6898,7 @@
 
             # set to limit VM usage for JunitTests
             JAVAIFLAGS=-Xmx64M
+            JAVAIFLAGS="$JAVAIFLAGS -Djdk.net.URLClassPath.disableClassPathURLCheck=true"
             # set to limit VM usage for javac
             JAVAFLAGS=-J-Xmx128M