Added the configuration files for launch.sh to work

conf/zoo1.cfg

+# The number of milliseconds of each tick
+#tickTime=2000
+# The number of ticks that the initial 
+# synchronization phase can take
+#initLimit=10
+# The number of ticks that can pass between 
+# sending a request and getting an acknowledgement
+#syncLimit=5
+# the directory where the snapshot is stored.
+# do not use /tmp for storage, /tmp here is just 
+# example sakes.
+#dataDir=/tmp/zookeeper
+# the port at which the clients will connect
+#clientPort=2181
+# the maximum number of client connections.
+# increase this if you need to handle more clients
+#maxClientCnxns=60
+#
+# Be sure to read the maintenance section of the 
+# administrator guide before turning on autopurge.
+#
+# https://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
+#
+# The number of snapshots to retain in dataDir
+#autopurge.snapRetainCount=3
+# Purge task interval in hours
+# Set to "0" to disable auto purge feature
+#autopurge.purgeInterval=1
+
+## Metrics Providers
+#
+# https://prometheus.io Metrics Exporter
+#metricsProvider.className=org.apache.zookeeper.metrics.prometheus.PrometheusMetricsProvider
+#metricsProvider.httpHost=0.0.0.0
+#metricsProvider.httpPort=7000
+#metricsProvider.exportJvmInfo=true
+dataDir=/data/zookeeper1
+clientPort=2181
+tickTime=2000
+initLimit=5
+syncLimit=2
+server.1=localhost:2888:3888
+server.2=localhost:2889:3889
+server.3=localhost:2890:3890
+admin.enableServer=false
+

conf/zoo2.cfg

+# The number of milliseconds of each tick
+#tickTime=2000
+# The number of ticks that the initial 
+# synchronization phase can take
+#initLimit=10
+# The number of ticks that can pass between 
+# sending a request and getting an acknowledgement
+#syncLimit=5
+# the directory where the snapshot is stored.
+# do not use /tmp for storage, /tmp here is just 
+# example sakes.
+#dataDir=/tmp/zookeeper
+# the port at which the clients will connect
+#clientPort=2181
+# the maximum number of client connections.
+# increase this if you need to handle more clients
+#maxClientCnxns=60
+#
+# Be sure to read the maintenance section of the 
+# administrator guide before turning on autopurge.
+#
+# https://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
+#
+# The number of snapshots to retain in dataDir
+#autopurge.snapRetainCount=3
+# Purge task interval in hours
+# Set to "0" to disable auto purge feature
+#autopurge.purgeInterval=1
+
+## Metrics Providers
+#
+# https://prometheus.io Metrics Exporter
+#metricsProvider.className=org.apache.zookeeper.metrics.prometheus.PrometheusMetricsProvider
+#metricsProvider.httpHost=0.0.0.0
+#metricsProvider.httpPort=7000
+#metricsProvider.exportJvmInfo=true
+dataDir=/data/zookeeper2
+clientPort=2182
+tickTime=2000
+initLimit=5
+syncLimit=2
+server.1=localhost:2888:3888
+server.2=localhost:2889:3889
+server.3=localhost:2890:3890
+admin.enableServer=false
+

conf/zoo3.cfg

+# The number of milliseconds of each tick
+#tickTime=2000
+# The number of ticks that the initial 
+# synchronization phase can take
+#initLimit=10
+# The number of ticks that can pass between 
+# sending a request and getting an acknowledgement
+#syncLimit=5
+# the directory where the snapshot is stored.
+# do not use /tmp for storage, /tmp here is just 
+# example sakes.
+#dataDir=/tmp/zookeeper
+# the port at which the clients will connect
+#clientPort=2181
+# the maximum number of client connections.
+# increase this if you need to handle more clients
+#maxClientCnxns=60
+#
+# Be sure to read the maintenance section of the 
+# administrator guide before turning on autopurge.
+#
+# https://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
+#
+# The number of snapshots to retain in dataDir
+#autopurge.snapRetainCount=3
+# Purge task interval in hours
+# Set to "0" to disable auto purge feature
+#autopurge.purgeInterval=1
+
+## Metrics Providers
+#
+# https://prometheus.io Metrics Exporter
+#metricsProvider.className=org.apache.zookeeper.metrics.prometheus.PrometheusMetricsProvider
+#metricsProvider.httpHost=0.0.0.0
+#metricsProvider.httpPort=7000
+#metricsProvider.exportJvmInfo=true
+dataDir=/data/zookeeper3
+clientPort=2183
+tickTime=2000
+initLimit=5
+syncLimit=2
+server.1=localhost:2888:3888
+server.2=localhost:2889:3889
+server.3=localhost:2890:3890
+admin.enableServer=false
+

zoo1.cfg

+# The number of milliseconds of each tick
+#tickTime=2000
+# The number of ticks that the initial 
+# synchronization phase can take
+#initLimit=10
+# The number of ticks that can pass between 
+# sending a request and getting an acknowledgement
+#syncLimit=5
+# the directory where the snapshot is stored.
+# do not use /tmp for storage, /tmp here is just 
+# example sakes.
+#dataDir=/tmp/zookeeper
+# the port at which the clients will connect
+#clientPort=2181
+# the maximum number of client connections.
+# increase this if you need to handle more clients
+#maxClientCnxns=60
+#
+# Be sure to read the maintenance section of the 
+# administrator guide before turning on autopurge.
+#
+# https://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
+#
+# The number of snapshots to retain in dataDir
+#autopurge.snapRetainCount=3
+# Purge task interval in hours
+# Set to "0" to disable auto purge feature
+#autopurge.purgeInterval=1
+
+## Metrics Providers
+#
+# https://prometheus.io Metrics Exporter
+#metricsProvider.className=org.apache.zookeeper.metrics.prometheus.PrometheusMetricsProvider
+#metricsProvider.httpHost=0.0.0.0
+#metricsProvider.httpPort=7000
+#metricsProvider.exportJvmInfo=true
+dataDir=/data/zookeeper1
+clientPort=2181
+tickTime=2000
+initLimit=5
+syncLimit=2
+server.1=localhost:2888:3888
+server.2=localhost:2889:3889
+server.3=localhost:2890:3890
+admin.enableServer=false
+

zoo2.cfg

+# The number of milliseconds of each tick
+#tickTime=2000
+# The number of ticks that the initial 
+# synchronization phase can take
+#initLimit=10
+# The number of ticks that can pass between 
+# sending a request and getting an acknowledgement
+#syncLimit=5
+# the directory where the snapshot is stored.
+# do not use /tmp for storage, /tmp here is just 
+# example sakes.
+#dataDir=/tmp/zookeeper
+# the port at which the clients will connect
+#clientPort=2181
+# the maximum number of client connections.
+# increase this if you need to handle more clients
+#maxClientCnxns=60
+#
+# Be sure to read the maintenance section of the 
+# administrator guide before turning on autopurge.
+#
+# https://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
+#
+# The number of snapshots to retain in dataDir
+#autopurge.snapRetainCount=3
+# Purge task interval in hours
+# Set to "0" to disable auto purge feature
+#autopurge.purgeInterval=1
+
+## Metrics Providers
+#
+# https://prometheus.io Metrics Exporter
+#metricsProvider.className=org.apache.zookeeper.metrics.prometheus.PrometheusMetricsProvider
+#metricsProvider.httpHost=0.0.0.0
+#metricsProvider.httpPort=7000
+#metricsProvider.exportJvmInfo=true
+dataDir=/data/zookeeper2
+clientPort=2182
+tickTime=2000
+initLimit=5
+syncLimit=2
+server.1=localhost:2888:3888
+server.2=localhost:2889:3889
+server.3=localhost:2890:3890
+admin.enableServer=false
+

zoo3.cfg

+# The number of milliseconds of each tick
+#tickTime=2000
+# The number of ticks that the initial 
+# synchronization phase can take
+#initLimit=10
+# The number of ticks that can pass between 
+# sending a request and getting an acknowledgement
+#syncLimit=5
+# the directory where the snapshot is stored.
+# do not use /tmp for storage, /tmp here is just 
+# example sakes.
+#dataDir=/tmp/zookeeper
+# the port at which the clients will connect
+#clientPort=2181
+# the maximum number of client connections.
+# increase this if you need to handle more clients
+#maxClientCnxns=60
+#
+# Be sure to read the maintenance section of the 
+# administrator guide before turning on autopurge.
+#
+# https://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
+#
+# The number of snapshots to retain in dataDir
+#autopurge.snapRetainCount=3
+# Purge task interval in hours
+# Set to "0" to disable auto purge feature
+#autopurge.purgeInterval=1
+
+## Metrics Providers
+#
+# https://prometheus.io Metrics Exporter
+#metricsProvider.className=org.apache.zookeeper.metrics.prometheus.PrometheusMetricsProvider
+#metricsProvider.httpHost=0.0.0.0
+#metricsProvider.httpPort=7000
+#metricsProvider.exportJvmInfo=true
+dataDir=/data/zookeeper3
+clientPort=2183
+tickTime=2000
+initLimit=5
+syncLimit=2
+server.1=localhost:2888:3888
+server.2=localhost:2889:3889
+server.3=localhost:2890:3890
+admin.enableServer=false
+