diff --git a/.gitignore b/.gitignore
index 7c36d55c..2f2568a1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -59,3 +59,4 @@ pom.xml.tag
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
+/log-byDay_IS_UNDEFINED.txt