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From voropaev <vorop...@corp.mail.ru>
Subject Re: Re: HBase -ROOT- is unable to come online
Date Mon, 16 May 2011 11:15:59 GMT
Hi!

In my case absolutely the same issue was fixed by disabling ipv6 on the 
machine where cluster was started.

On 01/-10/-28163 10:59 PM, Ted Yu wrote:
> It was due to a missing lib jar which rendered region servers useless.
> That's why I suggested checking out region server logs.
>
> On Sun, May 15, 2011 at 8:28 PM, Nathan McC<nemccarthy@gmail.com>  wrote:
>
>> Thanks Ted. Id still like to know how you solved this problem, could be
>> helpful.
>>
>> Cheers,
>>
>>
>> --Sent from Windows Mobile
>>
>> ------------------------------
>> From: Ted Yu<yuzhihong@gmail.com>
>> Sent: Monday, 16 May 2011 1:03 PM
>> To: Nathan McC<nemccarthy@gmail.com>
>> Cc: dev@hbase.apache.org
>> Subject: Re: HBase -ROOT- is unable to come online
>>
>> Nathan:
>> I didn't run in pseudo-distributed mode.
>> Please check region server log which would give you more clue.
>>
>> Also, please involve user@ or dev@ so that:
>> 1. you can get more helping hands
>> 2. share your finding with other people.
>>
>> Have a nice weekend.
>>
>> On Sun, May 15, 2011 at 7:56 PM, Nathan McC<nemccarthy@gmail.com>  wrote:
>>
>>> Hi Ted,
>>>
>>> I’m hoping you can help me – I’m having a problem similar to yours with
>>> HBase (http://search-hadoop.com/m/50Ekr1n36KU1/v=threaded) , I’m using
>>> the Cloudera distro and trying to get Hadoop and HBase running in
>>> pseudo-distributed mode.
>>>
>>> Whenever I try to go to the master server webpage (e.g.
>>> http://localhost:60010) it just sits there continually loading.
>>>
>>> Could you tell me how you solved the problem where -ROOT- is unable to
>>> come online.
>>>
>>> Looking at the logs of the master I see the following:
>>>
>>> 11/05/15 19:58:27 WARN master.AssignmentManager: Failed assignment of
>>> -ROOT-,,0.70236052 to serverName=localhost,60020,1305452402149,
>>> load=(requests=0, regions=0, usedHeap=24, maxHeap=995), trying to assign
>>> elsewhere instead; retry=0
>>> org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed setting up
>>> proxy interface org.apache.hadoop.hbase.ipc.HRegionInterface to /
>>> 127.0.0.1:60020 after attempts=1 at
>>> org.apache.hadoop.hbase.ipc.HBaseRPC.waitForProxy(HBaseRPC.java:355) at
>>> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHRegionConnection(HConnectionManager.java:957)
>>> at
>>> org.apache.hadoop.hbase.master.ServerManager.getServerConnection(ServerManager.java:606)
>>> at
>>> org.apache.hadoop.hbase.master.ServerManager.sendRegionOpen(ServerManager.java:541)
>>> at
>>> org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:901)
>>> at
>>> org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:730)
>>> at
>>> org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:710)
>>> at
>>> org.apache.hadoop.hbase.master.AssignmentManager$TimeoutMonitor.chore(AssignmentManager.java:1605)
>>> at org.apache.hadoop.hbase.Chore.run(Chore.java:66) Caused by:
>>> java.net.ConnectException: Connection refused at
>>> sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at
>>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567) at
>>> org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
>>> at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:408) at
>>> org.apache.hadoop.hbase.ipc.HBaseClient$Connection.setupIOstreams(HBaseClient.java:328)
>>> at
>>> org.apache.hadoop.hbase.ipc.HBaseClient.getConnection(HBaseClient.java:883)
>>> at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:750) at
>>> org.apache.hadoop.hbase.ipc.HBaseRPC$Invoker.invoke(HBaseRPC.java:257) at
>>> $Proxy6.getProtocolVersion(Unknown Source) at
>>> org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:419) at
>>> org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:393) at
>>> org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:444) at
>>> org.apache.hadoop.hbase.ipc.HBaseRPC.waitForProxy(HBaseRPC.java:349) ... 8
>>> more
>>>
>>> 11/05/15 19:58:27 WARN master.AssignmentManager: Unable to find a viable
>>> location to assign region -ROOT-,,0.70236052
>>>
>>> Cheers,
>>> Nathan
>>>
>>>
>>> --Sent from Windows Mobile
>>>
>>


-- 
Алексей Воропаев,
Поиск@Mail.ru


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