This exception happens normally in the current release but it usually
doesn't appear on the command line. I cleaned it up for the next
release.

HBase should still be working.

J-D

On Thu, Dec 31, 2009 at 1:36 AM, alaa nobani <[email protected]> wrote:
> Zookeper is started , actually this exception is thrown after starting the 
> master, here is the complete output i got when starting hbase:
>
> localhost: starting zookeeper, logging to 
> /home/admo40/hbase-0.20.2/bin/../logs/hbase-admo40-zookeeper-mail.kalimat-maktoob.com.out
> starting master, logging to 
> /home/admo40/hbase-0.20.2/bin/../logs/hbase-admo40-master-mail.kalimat-maktoob.com.out
> java.io.IOException: org.apache.zookeeper.KeeperException$NoNodeException: 
> KeeperErrorCode = NoNode for /hbase/master
>        at 
> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.readAddressOrThrow(ZooKeeperWrapper.java:332)
>        at 
> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.readAddress(ZooKeeperWrapper.java:318)
>        at 
> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.readMasterAddress(ZooKeeperWrapper.java:250)
>        at 
> org.apache.hadoop.hbase.master.ZKMasterAddressWatcher.waitForMasterAddressAvailability(ZKMasterAddressWatcher.java:82)
>        at 
> org.apache.hadoop.hbase.master.HMaster.writeAddressToZooKeeper(HMaster.java:267)
>        at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:254)
>        at 
> org.apache.hadoop.hbase.LocalHBaseCluster.<init>(LocalHBaseCluster.java:94)
>        at 
> org.apache.hadoop.hbase.LocalHBaseCluster.<init>(LocalHBaseCluster.java:78)
>        at org.apache.hadoop.hbase.master.HMaster.doMain(HMaster.java:1214)
> localhost: starting regionserver, logging to 
> /home/admo40/hbase-0.20.2/bin/../logs/hbase-admo40-regionserver-mail.kalimat-maktoob.com.out
>
>
>
> --- On Thu, 12/31/09, Jeff Zhang <[email protected]> wrote:
>
>> From: Jeff Zhang <[email protected]>
>> Subject: Re: IO Exception on startup
>> To: [email protected]
>> Date: Thursday, December 31, 2009, 11:18 AM
>> The zookeeper is not started ?
>>
>>
>> Jeff Zhang
>>
>>
>>
>> On Thu, Dec 31, 2009 at 12:33 AM, alaa nobani <[email protected]>
>> wrote:
>>
>> > Hi,
>> > Any one can recognize the following exception am
>> getting when starting
>> > hbase and help me fix it:
>> >
>> > java.io.IOException:
>> org.apache.zookeeper.KeeperException$NoNodeException:
>> > KeeperErrorCode = NoNode for /hbase/master
>> >        at
>> >
>> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.readAddressOrThrow(ZooKeeperWrapper.java:332)
>> >        at
>> >
>> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.readAddress(ZooKeeperWrapper.java:318)
>> >        at
>> >
>> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.readMasterAddress(ZooKeeperWrapper.java:250)
>> >        at
>> >
>> org.apache.hadoop.hbase.master.ZKMasterAddressWatcher.waitForMasterAddressAvailability(ZKMasterAddressWatcher.java:82)
>> >        at
>> >
>> org.apache.hadoop.hbase.master.HMaster.writeAddressToZooKeeper(HMaster.java:267)
>> >        at
>> org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:254)
>> >        at
>> >
>> org.apache.hadoop.hbase.LocalHBaseCluster.<init>(LocalHBaseCluster.java:94)
>> >        at
>> >
>> org.apache.hadoop.hbase.LocalHBaseCluster.<init>(LocalHBaseCluster.java:78)
>> >        at
>> org.apache.hadoop.hbase.master.HMaster.doMain(HMaster.java:1214)
>> >
>> >
>> > Thanks.
>> >
>> >
>> >
>> >
>>
>
>
>
>

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