[FIX] JPA: add DBCP2 to reuse connections
diff --git a/backends-common/jpa/pom.xml b/backends-common/jpa/pom.xml
index 4cd9ca9..eeff5d7 100644
--- a/backends-common/jpa/pom.xml
+++ b/backends-common/jpa/pom.xml
@@ -39,6 +39,11 @@
<artifactId>guava</artifactId>
</dependency>
<dependency>
+ <groupId>org.apache.commons</groupId>
+ <artifactId>commons-dbcp2</artifactId>
+ <version>2.9.0</version>
+ </dependency>
+ <dependency>
<groupId>org.apache.derby</groupId>
<artifactId>derby</artifactId>
<scope>test</scope>