diff --git a/src/connector/jdbc/pom.xml b/src/connector/jdbc/pom.xml
index 36f1a1010c372b319fab7fceaf13c9c44689dc6b..1db4ca878b74d66b5752d29b5cfcc3f53ae8492c 100755
--- a/src/connector/jdbc/pom.xml
+++ b/src/connector/jdbc/pom.xml
@@ -37,7 +37,7 @@
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<java.version>1.8</java.version>
+		<java.version>1.7</java.version>
 
 		<maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>