title: Jhipster startup failed with "Failed to start bean 'outputBindingLifecycle"
body: <p>I had installed JHipster and configured in MyEclipse. Once I started running main class for *App.java I got error...here is the output from console. Please help me figure out as I am trying to find out solution to this since last couple of days...</p>
  
  <pre><code> --------------------
      Running with Spring Boot v1.5.9.RELEASE, Spring v4.3.13.RELEASE
  
  org.springframework.context.ApplicationContextException: Failed to start bean 'outputBindingLifecycle'; nested exception is org.springframework.cloud.stream.binder.BinderException: Exception thrown while building outbound endpoint
      at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:178)
      at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:50)
      at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:348)
      at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:151)
      at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:114)
      at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:880)
      at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.finishRefresh(EmbeddedWebApplicationContext.java:144)
      at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:546)
      at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)
      at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:693)
      at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:360)
      at org.springframework.boot.SpringApplication.run(SpringApplication.java:303)
      at com.io.is.IntellisummaryApp.main(IntellisummaryApp.java:66)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)
  Caused by: org.springframework.cloud.stream.binder.BinderException: Exception thrown while building outbound endpoint
      at org.springframework.cloud.stream.binder.AbstractMessageChannelBinder.doBindProducer(AbstractMessageChannelBinder.java:125)
      at org.springframework.cloud.stream.binder.AbstractMessageChannelBinder.doBindProducer(AbstractMessageChannelBinder.java:57)
      at org.springframework.cloud.stream.binder.AbstractBinder.bindProducer(AbstractBinder.java:152)
      at org.springframework.cloud.stream.binding.BindingService.bindProducer(BindingService.java:124)
      at org.springframework.cloud.stream.binding.BindableProxyFactory.bindOutputs(BindableProxyFactory.java:238)
      at org.springframework.cloud.stream.binding.OutputBindingLifecycle.start(OutputBindingLifecycle.java:57)
      at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:175)
      ... 17 common frames omitted
  Caused by: org.I0Itec.zkclient.exception.ZkTimeoutException: Unable to connect to zookeeper server within timeout: 10000
      at org.I0Itec.zkclient.ZkClient.connect(ZkClient.java:1232)
      at org.I0Itec.zkclient.ZkClient.&lt;init&gt;(ZkClient.java:156)
      at org.I0Itec.zkclient.ZkClient.&lt;init&gt;(ZkClient.java:130)
      at kafka.utils.ZkUtils$.createZkClientAndConnection(ZkUtils.scala:76)
      at kafka.utils.ZkUtils$.apply(ZkUtils.scala:58)
      at kafka.utils.ZkUtils.apply(ZkUtils.scala)
      at org.springframework.cloud.stream.binder.kafka.provisioning.KafkaTopicProvisioner.createTopicAndPartitions(KafkaTopicProvisioner.java:171)
      at org.springframework.cloud.stream.binder.kafka.provisioning.KafkaTopicProvisioner.createTopicsIfAutoCreateEnabledAndAdminUtilsPresent(KafkaTopicProvisioner.java:153)
      at org.springframework.cloud.stream.binder.kafka.provisioning.KafkaTopicProvisioner.provisionProducerDestination(KafkaTopicProvisioner.java:108)
      at org.springframework.cloud.stream.binder.kafka.provisioning.KafkaTopicProvisioner.provisionProducerDestination(KafkaTopicProvisioner.java:60)
      at org.springframework.cloud.stream.binder.AbstractMessageChannelBinder.doBindProducer(AbstractMessageChannelBinder.java:110)
      ... 23 common frames omitted`df
  </code></pre>