'sis' command should resolve symbolic link.
diff --git a/application/sis-console/src/main/artifact/bin/sis b/application/sis-console/src/main/artifact/bin/sis
index ed98e33..691d163 100755
--- a/application/sis-console/src/main/artifact/bin/sis
+++ b/application/sis-console/src/main/artifact/bin/sis
@@ -16,7 +16,10 @@
# limitations under the License.
# ------------------------------------------------------------------------
-BASE_DIR="`dirname $0`/.."
+set -o errexit
+
+BASE_DIR="`readlink --canonicalize-existing $0`"
+BASE_DIR="`dirname $BASE_DIR`/.."
SIS_DATA="${SIS_DATA:-$BASE_DIR/data}"
export SIS_DATA