Rakesh R created BOOKKEEPER-424:
-----------------------------------

             Summary: Bookie start is failing intermittently when zkclient 
connection delays
                 Key: BOOKKEEPER-424
                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-424
             Project: Bookkeeper
          Issue Type: Bug
          Components: bookkeeper-server
    Affects Versions: 4.1.0, 4.0.0
            Reporter: Rakesh R
            Assignee: Rakesh R
             Fix For: 4.2.0


I'm seeing the following intermittent failure, when there is a delay in 
establishing zkclient connection with zkserver. 
{code}
org.apache.bookkeeper.bookie.BookieException$InvalidCookieException: 
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = 
ConnectionLoss for /ledgers/INSTANCEID
        at org.apache.bookkeeper.bookie.Bookie.checkEnvironment(Bookie.java:329)
        at org.apache.bookkeeper.bookie.Bookie.<init>(Bookie.java:378)
        at 
org.apache.bookkeeper.bookie.BookieInitializationTest.testStartBookieWithoutZKServer(BookieInitializationTest.java:253)
        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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
        at 
org.junit.internal.runners.statements.FailOnTimeout$1.run(FailOnTimeout.java:28)
Caused by: org.apache.zookeeper.KeeperException$ConnectionLossException: 
KeeperErrorCode = ConnectionLoss for /ledgers/INSTANCEID
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
        at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1131)
        at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:1160)
        at org.apache.bookkeeper.bookie.Bookie.getInstanceId(Bookie.java:346)
        at org.apache.bookkeeper.bookie.Bookie.checkEnvironment(Bookie.java:280)
        ... 11 more
{code}

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