We Have ready with cs+zk on three nodes and those are running fine .
Later i have tried to install management server and returning below error in system.log
... 21 common frames omitted
2019-07-16 09:37:00,749 org: env: target: contextId: action: main ERROR KERNEL - MicroKernel.initAll() : MicroKernel.initAll() : Error in Initializing the deployment : MachineKeyService
com.apigee.zookeeper.ZooKeeperException: Error while checking path existence for path : /types
at com.apigee.zookeeper.impl.ZooKeeperServiceImpl.exists(ZooKeeperServiceImpl.java:420)
at com.apigee.zookeeper.impl.ZooKeeperServiceImpl.exists(ZooKeeperServiceImpl.java:401)
at com.apigee.services.repository.zookeeper.ZKRepository.exists(ZKRepository.java:259)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.apigee.server.metrics.aop.MetricsEmissionInvocationHandler.invoke(MetricsEmissionInvocationHandler.java:50)
at com.sun.proxy.$Proxy5.exists(Unknown Source)
at com.apigee.services.repository.RepositoryServiceImpl.exists(RepositoryServiceImpl.java:213)
at com.apigee.registration.ServerRegistrationServiceImpl.getServerTypes(ServerRegistrationServiceImpl.java:347)
at com.apigee.registration.ServerRegistrationServiceImpl.initResolutionScopes(ServerRegistrationServiceImpl.java:364)
at com.apigee.registration.ServerRegistrationServiceImpl.init(ServerRegistrationServiceImpl.java:164)
at com.apigee.kernel.service.deployment.ServiceDeployer.init(ServiceDeployer.java:145)
at com.apigee.kernel.service.deployment.ServiceDeployer.initDependantServices(ServiceDeployer.java:372)
at com.apigee.kernel.service.deployment.ServiceDeployer.init(ServiceDeployer.java:159)
at com.apigee.kernel.service.deployment.ServiceDeployer.initDependantServices(ServiceDeployer.java:372)
at com.apigee.kernel.service.deployment.ServiceDeployer.init(ServiceDeployer.java:159)
at com.apigee.kernel.MicroKernel.initAll(MicroKernel.java:234)
at com.apigee.kernel.MicroKernel.init(MicroKernel.java:138)
at com.apigee.kernel.MicroKernel.start(MicroKernel.java:144)
at com.apigee.kernel.MicroKernel.main(MicroKernel.java:95)
Caused by: org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /types
at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1102)
at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1130)
at com.apigee.zookeeper.impl.ZooKeeperServiceImpl.exists(ZooKeeperServiceImpl.java:412)
... 21 common frames omitted
we are able to telnet CS+ZK nodes, I have defined the ZK_CLIENT_HOSTS in silent configuration file as well
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