Building druid got stuck and does not move forward - docker

Question

I am trying to build druid using the docker file provided on the pulsarIO/dockerfiles
But it does not gets build fully and gets stuck at some point:
The Stack looks like this :
shivansh#localhost:~/Documents/Huawei/pulsar/docker-files/pulsarReporting/druid$ sudo sh build
Sending build context to Docker daemon 35.33 kB
Step 1 : FROM ubuntu:14.04
---> 45e5f47e0036
Step 2 : MAINTAINER Xu,Xin <xinxu1#ebay.com>
---> Using cache
---> 46d0ac73c2ed
Step 3 : RUN apt-get update
---> Using cache
---> 7ecac41ee372
Step 4 : RUN apt-get install -y vim less net-tools inetutils-ping curl git telnet nmap socat dnsutils netcat tree htop unzip sudo software-properties-common
---> Using cache
---> be238924e32a
Step 5 : RUN echo 'deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main' > /etc/apt/sources.list.d/java.list && apt-key adv --keyserver keyserver.ubuntu.com --recv-keys EEA14886 && apt-get update && echo oracle-java7-installer shared/accepted-oracle-license-v1-1 select true | /usr/bin/debconf-set-selections && apt-get install -y oracle-java7-installer
---> Using cache
---> 7b462d5c7b60
Step 6 : RUN wget -q -O - http://archive.apache.org/dist/maven/maven-3/3.2.5/binaries/apache-maven-3.2.5-bin.tar.gz | tar -xzf - -C /usr/local && ln -s /usr/local/apache-maven-3.2.5 /usr/local/apache-maven && ln -s /usr/local/apache-maven/bin/mvn /usr/local/bin/mvn
---> Using cache
---> 8d93a2bebc76
Step 7 : RUN mvn dependency:get -Dartifact=io.druid:druid-services:0.7.3
---> Using cache
---> 1e3fccd70f5b
Step 8 : RUN curl http://static.druid.io/artifacts/releases/druid-0.7.3-bin.tar.gz | tar xz
---> Using cache
---> 73d092b0fc55
Step 9 : RUN mv druid-0.7.3 druid-services
---> Using cache
---> 278eb7e7f30c
Step 10 : RUN apt-get install -y mysql-server && sed -i 's/127.0.0.1/0.0.0.0/g' /etc/mysql/my.cnf
---> Using cache
---> 9864be2ef7ce
Step 11 : ADD config druid-services/config
---> Using cache
---> 4f3d4b4dd1d7
Step 12 : ADD ./mysql.ddl mysql.ddl
---> Using cache
---> 51b798fa62da
Step 13 : RUN mysqld_safe & mysqladmin --wait=5 ping && mysql < mysql.ddl && mysqladmin shutdown
---> Using cache
---> f7ddfd9fbd3e
Step 14 : WORKDIR /druid-services
---> Using cache
---> cc01a554687d
Step 15 : RUN java -classpath "config/_common:lib/*" io.druid.cli.Main tools pull-deps
---> Running in d8a09c205f3d
Oct 25, 2016 7:23:31 AM org.hibernate.validator.internal.util.Version <clinit>
INFO: HV000001: Hibernate Validator 5.1.3.Final
I cannot understand exactly what the problem is ! And If i try to run the
sudo docker ps -a
command to see the running containers I cannot see the druid one there !
Any help is appreciated !