Installation of bambo not working at mysql install step

After entering all information for jdbc, the database initialisation is freeze.

Server:
Intel(R) Xeon(R) CPU W3520 @ 2.67GHz, 8 cores
Linux 3.10.23-xxxx-std-ipv6-64 sur x86_64
48GB RAM
MySQL version 5.6.20
mysql-connector-java-5.1.32
java version "1.7.0_65"
OpenJDK Runtime Environment (rhel-2.5.1.2.el6_5-x86_64 u65-b17)
OpenJDK 64-Bit Server VM (build 24.65-b04, mixed mode)