diff -r dffa657f0aa2 -r 7c1375ba1424 lib/Tools/scala
--- a/lib/Tools/scala	Mon Nov 07 14:23:50 2011 +0100
+++ b/lib/Tools/scala	Mon Nov 07 14:59:58 2011 +0100
@@ -10,4 +10,4 @@
 
 CLASSPATH="$(jvmpath "$CLASSPATH")"
 exec "$SCALA_HOME/bin/scala" -Dfile.encoding=UTF-8 \
-  "-Djava.ext.dirs=$("$ISABELLE_HOME/lib/scripts/java_ext_dirs")" "$@"
+  "-Djava.ext.dirs=$("$ISABELLE_HOME/src/Tools/JVM/java_ext_dirs")" "$@"