at org.apache.hadoop.ha.ActiveStandbyElector$WatcherWithClientRef.waitForZKConnectionEvent(ActiveStandbyElector.java:1051)
    at org.apache.hadoop.ha.ActiveStandbyElector$WatcherWithClientRef.access$400(ActiveStandbyElector.java:1018)
    at org.apache.hadoop.ha.ActiveStandbyElector.getNewZooKeeper(ActiveStandbyElector.java:633)
    at org.apache.hadoop.ha.ActiveStandbyElector.createConnection(ActiveStandbyElector.java:767)
    at org.apache.hadoop.ha.ActiveStandbyElector.<init>(ActiveStandbyElector.java:227)
    at org.apache.hadoop.ha.ZKFailoverController.initZK(ZKFailoverController.java:348)
    at org.apache.hadoop.ha.ZKFailoverController.doRun(ZKFailoverController.java:189)
    at org.apache.hadoop.ha.ZKFailoverController.access$000(ZKFailoverController.java:61)
    at org.apache.hadoop.ha.ZKFailoverController$1.run(ZKFailoverController.java:170)
    at org.apache.hadoop.ha.ZKFailoverController$1.run(ZKFailoverController.java:166)
    at org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:412)
    at org.apache.hadoop.ha.ZKFailoverController.run(ZKFailoverController.java:166)
    at io.transwarp.manager.master.manager.operation.FormatZKTaskLocalRunner.run(FormatZKTaskLocalRunner.scala:25)
    at io.transwarp.manager.master.manager.operation.OperationActor$$anon$2$$anonfun$run$1.apply$mcV$sp(OperationActor.scala:92)
    at io.transwarp.manager.master.manager.operation.OperationActor$$anon$2$$anonfun$run$1.apply(OperationActor.scala:86)
    at io.transwarp.manager.master.manager.operation.OperationActor$$anon$2$$anonfun$run$1.apply(OperationActor.scala:86)
    at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
    at io.transwarp.manager.master.persistence.repository.DbTxHelper$$anonfun$3.apply(TransactionHelper.scala:28)
    at io.transwarp.manager.master.persistence.repository.DbTxHelper$$anonfun$3.apply(TransactionHelper.scala:28)
    at scalikejdbc.DBConnection$class.autoCommit(DBConnection.scala:222)
    at scalikejdbc.DB.autoCommit(DB.scala:60)
    at scalikejdbc.DB$$anonfun$autoCommit$1.apply(DB.scala:215)
    at scalikejdbc.DB$$anonfun$autoCommit$1.apply(DB.scala:214)
    at scalikejdbc.LoanPattern$class.using(LoanPattern.scala:18)
    at scalikejdbc.DB$.using(DB.scala:138)
    at scalikejdbc.DB$.autoCommit(DB.scala:214)
    at io.transwarp.manager.master.persistence.repository.DbTxHelper$class.autoCommit(TransactionHelper.scala:28)
    at io.transwarp.manager.master.manager.operation.OperationActor$OperationActorWithDb.autoCommit(OperationActor.scala:467)
    at io.transwarp.manager.master.manager.operation.OperationActor$$anon$2.run(OperationActor.scala:86)
Caused by: java.lang.InterruptedException
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1325)
    at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:282)
    at org.apache.hadoop.ha.ActiveStandbyElector$WatcherWithClientRef.waitForZKConnectionEvent(ActiveStandbyElector.java:1043)
    ... 28 more

因为有zkfc进程在运行

format ZKFC失败