diff --git a/.gitignore b/.gitignore
index 82eca33..1a42e49 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,4 +22,5 @@
 /nbbuild/
 /dist/
 /nbdist/
-/.nb-gradle/
\ No newline at end of file
+/.nb-gradle/
+/catalina.base_IS_UNDEFINED/