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From Ted Yu <yuzhih...@gmail.com>
Subject Re: HConnectionImplementation.listTables and list table exception
Date Wed, 23 Oct 2013 08:43:18 GMT
What version of HBase and Hadoop are you using ?

Can you show us more of the master log ?

Thanks

On Oct 22, 2013, at 10:46 PM, 张莉苹 <zlpmichelle@gmail.com> wrote:

> Dear  HBase dev and users,
> 
> Did you meet this
> "org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.listTables"
> issue?
> 
> We setup a 600 nodes cluster, 9 zookeeper nodes to load data into hbase,
> but it seemed hbase master was busy handling transition with zookeeper, and
> hbase “list” could not get response. The hbase table was created but it
> didn't  do any insert.
> 
> Do you have any idea of  the root cause and how to fix it?  :)Highly
> appreciate for your answers!
> 
> 
> 
> Here is the exception stack:
> ---------------------------------------------------
> java.lang.reflect.UndeclaredThrowableException
>               at $Proxy7.getHTableDescriptors(Unknown Source)
>               at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.listTables(HConnectionManager.java:2237)
>               at
> org.apache.hadoop.hbase.client.HBaseAdmin.listTables(HBaseAdmin.java:317)
> 
> 
> 
> 
> hbase master log:
> 
> -----------------------------
> 
> 2013-10-18 06:19:41,279 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign:
> master:60000-0x341be88202300ab* Deleting existing unassigned node* for
> 0ec3308bd1e2bdd9576b2d60d2eee68e that is in expected state
> RS_ZK_REGION_OPENED
> 
> 2013-10-18 06:19:41,279 DEBUG
> org.apache.hadoop.hbase.master.AssignmentManager:* Handling
> transition=RS_ZK_REGION_OPENING*, s*erver=node0878*.
> ic.analyticsworkbench.com,60020,1381883086785,
> region=15a4fb29aa1d905b13f33594e50bc8de, which is more than 15 seconds late
> 
> 2013-10-18 06:19:41,280 DEBUG
> org.apache.hadoop.hbase.master.AssignmentManager: *Handling
> transition=RS_ZK_REGION_OPENING,
> server=node0898*.ic.analyticsworkbench.com,60020,1381883200494,
> region=1a4c929534e6828c85f22b062f949304, which is more than 15 seconds late
> 
> 2013-10-18 06:19:41,289 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign:
> master:60000-0x341be88202300ab Successfully *deleted unassigned node *for
> region 0ec3308bd1e2bdd9576b2d60d2eee68e in expected state
> RS_ZK_REGION_OPENED
> 
> 2013-10-18 06:19:41,289 DEBUG
> org.apache.hadoop.hbase.master.AssignmentManager: Handling
> transition=RS_ZK_REGION_OPENING,
> server=node0693.ic.analyticsworkbench.com,60020,1381881773670,
> region=d47bfe1af0051c405de295a51c1c6e63, which is more than 15 seconds late
> 
> 
> 
> We also try to "list" in hbase shell,it also failed:
> 
> The hbase “list” got error as:
> 
> ------------------------------------------
> 
> 
> 
> hbase(main):001:0> list
> 
> TABLE
> 
> 
> 
> 
> ERROR: java.lang.reflect.UndeclaredThrowableException: Call to
> node0997.ic.analyticsworkbench.com/10.1.50.17:60000 failed on socket
> timeout exception: java.net.SocketTimeoutException: 120000 millis timeout
> while waiting for channel to be ready for read. ch :
> java.nio.channels.SocketChannel[connected local=/10.1.50.15:45726 remote=
> node0997.ic.analyticsworkbench.com/10.1.50.17:60000]
> 
> 
> 
> 
> Cheers,
> -----
> Big Data - Big Wisdom - Big Value
> --------------
> Michelle Zhang (Li Ping Zhang)

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