<derby.version>10.14.2.0</derby.version>
<eelf.version>1.0.0</eelf.version>
<grpc.version>1.21.1</grpc.version>
+ <log4j.version>2.16.0</log4j.version>
+ <log4j2.version>2.16.0</log4j2.version>
<mariadb.connector.version>2.7.3</mariadb.connector.version>
<mariadb4j.version>2.4.0</mariadb4j.version>
<testng.version>6.14.3</testng.version>