Ubuntu 14.10 under Hadoop error set

1 FATAL org.apache.hadoop.ha.ZKFailoverController:Unable to start failover controller. Parent Znode does not exist.

This error causes the Dfszkfailovercontroller to not be able to be started, so that the active Node cannot be elected, resulting in Hadoop two namenode are standby, I do

Stop all Hadoop processes and reformat the zookeeper

HDFs Zkfc-formatzk

2 immediately after the last question, and then reformat the zookeeper, I found yarn can not start

2015-08-05 19:00:33,718 INFO org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore:Exception whileexecuting a ZK operation.org.apache.zookeeper.keeperexception$nonodeexception:keepererrorcode=Nonode at Org.apache.zookeeper.KeeperException.create (Keeperexception.java:111) at Org.apache.zookeeper.ZooKeeper.multiInternal (Zookeeper.java:949) at Org.apache.zookeeper.ZooKeeper.multi (Zookeeper.java:915) at org.apache.hadoop.yarn.server.resourcemanager.recovery.zkrmstatestore$4.run (zkrmstatestore.java:937) at org.apache.hadoop.yarn.server.resourcemanager.recovery.zkrmstatestore$4.run (zkrmstatestore.java:934) at Org.apache.hadoop.yarn.server.resourcemanager.recovery.zkrmstatestore$zkaction.runwithcheck ( Zkrmstatestore.java:1076) at Org.apache.hadoop.yarn.server.resourcemanager.recovery.zkrmstatestore$zkaction.runwithretries ( Zkrmstatestore.java:1095) at Org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.doMultiWithRetries ( Zkrmstatestore.java:934) at Org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.doMultiWithRetries ( Zkrmstatestore.java:948) at Org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.removeRMDTMasterKeyState ( Zkrmstatestore.java:844) at Org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.removeRMDTMasterKey ( Rmstatestore.java:733) at Org.apache.hadoop.yarn.server.resourcemanager.security.RMDelegationTokenSecretManager.removeStoredMasterKey ( Rmdelegationtokensecretmanager.java:99) at Org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager.removeExpiredKeys ( Abstractdelegationtokensecretmanager.java:371) at Org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager.rollMasterKey ( Abstractdelegationtokensecretmanager.java:348) at org.apache.hadoop.security.token.delegation.abstractdelegationtokensecretmanager$ Expiredtokenremover.run (Abstractdelegationtokensecretmanager.java:646) at Java.lang.Thread.run (Thread.java:745)2015-08-05 19:00:33,718 INFO org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore:Maxed out ZK Retries. Giving up!2015-08-05 19:00:33,718 INFO Org.apache.hadoop.yarn.server.resourcemanager.security.RMDelegationTokenSecretManager:removing Master Key with KeyID 552015-08-05 19:00:33,738 INFO org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore: Exception whileexecuting a ZK operation.org.apache.zookeeper.keeperexception$nonodeexception:keepererrorcode=Nonode at Org.apache.zookeeper.KeeperException.create (Keeperexception.java:111) at Org.apache.zookeeper.ZooKeeper.multiInternal (Zookeeper.java:949) at Org.apache.zookeeper.ZooKeeper.multi (Zookeeper.java:915) at org.apache.hadoop.yarn.server.resourcemanager.recovery.zkrmstatestore$4.run (zkrmstatestore.java:937) at org.apache.hadoop.yarn.server.resourcemanager.recovery.zkrmstatestore$4.run (zkrmstatestore.java:934) at Org.apache.hadoop.yarn.server.resourcemanager.recovery.zkrmstatestore$zkaction.runwithcheck ( Zkrmstatestore.java:1076) at Org.apache.hadoop.yarn.server.resourcemanager.recovery.zkrmstatestore$zkaction.runwithretries ( Zkrmstatestore.java:1095) at Org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.doMultiWithRetries ( Zkrmstatestore.java:934) at Org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.doMultiWithRetries ( Zkrmstatestore.java:948) at Org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore.removeRMDTMasterKeyState ( Zkrmstatestore.java:844) at Org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.removeRMDTMasterKey ( Rmstatestore.java:733) at Org.apache.hadoop.yarn.server.resourcemanager.security.RMDelegationTokenSecretManager.removeStoredMasterKey ( Rmdelegationtokensecretmanager.java:99) at Org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager.removeExpiredKeys ( Abstractdelegationtokensecretmanager.java:371) at Org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager.rollMasterKey ( Abstractdelegationtokensecretmanager.java:348) at org.apache.hadoop.security.token.delegation.abstractdelegationtokensecretmanager$ Expiredtokenremover.run (Abstractdelegationtokensecretmanager.java:646) at Java.lang.Thread.run (Thread.java:745)

However, this problem is still due to zookeeper, but I do not have any changes, the new start yarn ... It worked.

start-yarn.sh

Ubuntu 14.10 under Hadoop error set