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From "Jean-Daniel Cryans" <jdcry...@gmail.com>
Subject Re: Problem Accessing Hbase
Date Thu, 17 Jul 2008 11:33:46 GMT
Well I meant your spam folder in your email account ;) But make sure you
send your mail to the mailing list and not to me directly.

>From what I see, you are not using HDFS but your local filesystem. If you
want HDFS, change your root dir "file:///home/srikanth/hbase-store" for
something more like "hdfs://srikanth-laptop:9000/hbase".

J-D


On Thu, Jul 17, 2008 at 6:22 AM, <srikanth.bondalapati@epfl.ch> wrote:

> Hi,
>
>  Sorry for the spam....Actually I was resending the mail because of not
> finding my message in the mailing lists even after 2-3 hours of my earlier
> sending.
>
>   I have enable DEBUG mode and restarted the servers. Here I am pasting the
> contents of the configuration and log files..The logs are after starting the
> servers and issuing "show tables" command in the HBase shell.
>
> 1) hbase-site.xml
>
> <configuration>
>  <property>
>    <name>hbase.master</name>
>    <value>srikanth-laptop:60000</value>
>  </property>
>  <property>
>    <name>hbase.rootdir</name>
>    <value>file:///home/srikanth/hbase-store</value>
>  </property>
> </configuration>
>
> 2) regionservers
> srikanth-laptop
> lca2pc12.epfl.ch
>
> 3) hmaster log file
> 2008-07-17 12:10:41,724 INFO org.apache.hadoop.hbase.HMaster: Root region
> dir: file:/home/srikanth/hbase-store/-ROOT-/70236052
> 2008-07-17 12:10:41,734 INFO org.apache.hadoop.hbase.HMaster: bootstrap:
> creating ROOT and first META regions
> 2008-07-17 12:10:41,775 INFO org.apache.hadoop.hbase.HLog: New log writer
> created at /home/srikanth/hbase-store/-ROOT-/70236052/log/hlog.dat.000
> 2008-07-17 12:10:41,776 DEBUG org.apache.hadoop.hbase.HRegion: Opening
> region -ROOT-,,0/70236052
> 2008-07-17 12:10:41,803 DEBUG org.apache.hadoop.hbase.HStore: Loaded 0
> file(s) in hstore 70236052/info, max sequence id -1
> 2008-07-17 12:10:41,804 DEBUG org.apache.hadoop.hbase.HRegion: Next
> sequence id for region -ROOT-,,0 is 0
> 2008-07-17 12:10:41,804 INFO org.apache.hadoop.hbase.HRegion: region
> -ROOT-,,0/70236052 available
> 2008-07-17 12:10:41,807 INFO org.apache.hadoop.hbase.HLog: New log writer
> created at /home/srikanth/hbase-store/.META./1028785192/log/hlog.dat.000
> 2008-07-17 12:10:41,808 DEBUG org.apache.hadoop.hbase.HRegion: Opening
> region .META.,,1/1028785192
> 2008-07-17 12:10:41,810 DEBUG org.apache.hadoop.hbase.HStore: Loaded 0
> file(s) in hstore 1028785192/info, max sequence id -1
> 2008-07-17 12:10:41,810 DEBUG org.apache.hadoop.hbase.HRegion: Next
> sequence id for region .META.,,1 is 0
> 2008-07-17 12:10:41,810 INFO org.apache.hadoop.hbase.HRegion: region
> .META.,,1/1028785192 available
> 2008-07-17 12:10:41,817 DEBUG org.apache.hadoop.hbase.HRegion: compactions
> and cache flushes disabled for region -ROOT-,,0
> 2008-07-17 12:10:41,817 DEBUG org.apache.hadoop.hbase.HRegion: new updates
> and scanners for region -ROOT-,,0 disabled
> 2008-07-17 12:10:41,817 DEBUG org.apache.hadoop.hbase.HRegion: no more
> active scanners for region -ROOT-,,0
> 2008-07-17 12:10:41,817 DEBUG org.apache.hadoop.hbase.HRegion: no more row
> locks outstanding on region -ROOT-,,0
> 2008-07-17 12:10:41,817 DEBUG org.apache.hadoop.hbase.HRegion: Started
> memcache flush for region -ROOT-,,0. Current region memcache size 92.0
> 2008-07-17 12:10:41,837 INFO org.apache.hadoop.util.NativeCodeLoader:
> Loaded the native-hadoop library
> 2008-07-17 12:10:41,841 INFO
> org.apache.hadoop.io.compress.zlib.ZlibFactory: Successfully loaded &
> initialized native-zlib library
> 2008-07-17 12:10:41,876 DEBUG org.apache.hadoop.hbase.HStore: Added
> /home/srikanth/hbase-store/-ROOT-/70236052/info/mapfiles/2383443705561905451
> with 1 entries, sequence id 1, data size 92.0
> 2008-07-17 12:10:41,876 DEBUG org.apache.hadoop.hbase.HRegion: Finished
> memcache flush for region -ROOT-,,0 in 59ms, sequence id=1
> 2008-07-17 12:10:41,876 DEBUG org.apache.hadoop.hbase.HStore: closed
> 70236052/info
> 2008-07-17 12:10:41,876 INFO org.apache.hadoop.hbase.HRegion: closed
> -ROOT-,,0
> 2008-07-17 12:10:41,876 DEBUG org.apache.hadoop.hbase.HLog: closing log
> writer in file:/home/srikanth/hbase-store/-ROOT-/70236052/log
> 2008-07-17 12:10:41,877 DEBUG org.apache.hadoop.hbase.HRegion: compactions
> and cache flushes disabled for region .META.,,1
> 2008-07-17 12:10:41,877 DEBUG org.apache.hadoop.hbase.HRegion: new updates
> and scanners for region .META.,,1 disabled
> 2008-07-17 12:10:41,877 DEBUG org.apache.hadoop.hbase.HRegion: no more
> active scanners for region .META.,,1
> 2008-07-17 12:10:41,877 DEBUG org.apache.hadoop.hbase.HRegion: no more row
> locks outstanding on region .META.,,1
> 2008-07-17 12:10:41,877 DEBUG org.apache.hadoop.hbase.HRegion: Started
> memcache flush for region .META.,,1. Current region memcache size 0.0
> 2008-07-17 12:10:41,877 DEBUG org.apache.hadoop.hbase.HRegion: Finished
> memcache flush for region .META.,,1 in 0ms, sequence id=0
> 2008-07-17 12:10:41,877 DEBUG org.apache.hadoop.hbase.HStore: closed
> 1028785192/info
> 2008-07-17 12:10:41,878 INFO org.apache.hadoop.hbase.HRegion: closed
> .META.,,1
> 2008-07-17 12:10:41,878 DEBUG org.apache.hadoop.hbase.HLog: closing log
> writer in file:/home/srikanth/hbase-store/.META./1028785192/log
> 2008-07-17 12:10:41,913 INFO org.apache.hadoop.ipc.metrics.RpcMetrics:
> Initializing RPC Metrics with hostName=60000, port=60000
> 2008-07-17 12:10:42,026 INFO org.apache.hadoop.hbase.HMaster: HMaster
> initialized on 128.178.84.163:60000
> 2008-07-17 12:10:42,095 INFO org.mortbay.util.Credential: Checking Resource
> aliases
> 2008-07-17 12:10:42,148 INFO org.mortbay.http.HttpServer: Version
> Jetty/5.1.4
> 2008-07-17 12:10:42,149 INFO org.mortbay.util.Container: Started
> HttpContext[/static,/static]
> 2008-07-17 12:10:42,149 INFO org.mortbay.util.Container: Started
> HttpContext[/logs,/logs]
> 2008-07-17 12:10:42,780 INFO org.mortbay.util.Container: Started
> org.mortbay.jetty.servlet.WebApplicationHandler@203c31
> 2008-07-17 12:10:42,846 INFO org.mortbay.util.Container: Started
> WebApplicationContext[/,/]
> 2008-07-17 12:10:43,272 INFO org.mortbay.util.Container: Started
> org.mortbay.jetty.servlet.WebApplicationHandler@165a3c2
> 2008-07-17 12:10:43,273 INFO org.mortbay.util.Container: Started
> WebApplicationContext[/api,rest]
> 2008-07-17 12:10:43,291 INFO org.mortbay.http.SocketListener: Started
> SocketListener on 0.0.0.0:60010
> 2008-07-17 12:10:43,291 INFO org.mortbay.util.Container: Started
> org.mortbay.jetty.Server@148bd3
> 2008-07-17 12:10:43,296 INFO org.apache.hadoop.ipc.Server: IPC Server
> Responder: starting
> 2008-07-17 12:10:43,296 INFO org.apache.hadoop.ipc.Server: IPC Server
> listener on 60000: starting
> 2008-07-17 12:10:43,311 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 0 on 60000: starting
> 2008-07-17 12:10:43,336 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 1 on 60000: starting
> 2008-07-17 12:10:43,343 INFO org.apache.hadoop.hbase.HMaster: received
> start message from: 128.178.156.26:60020
> 2008-07-17 12:10:43,358 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 2 on 60000: starting
> 2008-07-17 12:10:43,364 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 3 on 60000: starting
> 2008-07-17 12:10:43,372 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 4 on 60000: starting
> 2008-07-17 12:10:43,377 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 5 on 60000: starting
> 2008-07-17 12:10:43,382 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 6 on 60000: starting
> 2008-07-17 12:10:43,409 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 7 on 60000: starting
> 2008-07-17 12:10:43,416 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 8 on 60000: starting
> 2008-07-17 12:10:43,421 DEBUG org.apache.hadoop.hbase.HMaster: Started
> service threads
> 2008-07-17 12:10:43,422 DEBUG org.apache.hadoop.hbase.HMaster: Started
> service threads
> 2008-07-17 12:10:43,422 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 9 on 60000: starting
> 2008-07-17 12:10:43,775 INFO org.apache.hadoop.hbase.HMaster: assigning
> region -ROOT-,,0 to the only server 128.178.156.26:60020
> 2008-07-17 12:10:43,846 INFO org.apache.hadoop.hbase.HMaster: received
> start message from: 128.178.84.163:60020
> 2008-07-17 12:10:46,785 DEBUG org.apache.hadoop.hbase.HMaster: Received
> MSG_REPORT_OPEN : -ROOT-,,0 from 128.178.156.26:60020
> 2008-07-17 12:10:46,785 INFO org.apache.hadoop.hbase.HMaster:
> 128.178.156.26:60020 serving -ROOT-,,0
> 2008-07-17 12:10:46,787 INFO org.apache.hadoop.hbase.HMaster:
> HMaster.rootScanner scanning meta region {regionname: -ROOT-,,0, startKey:
> <>, server: 128.178.156.26:60020}
> 2008-07-17 12:10:46,864 INFO org.apache.hadoop.hbase.HMaster:
> HMaster.rootScanner scan of meta region {regionname: -ROOT-,,0, startKey:
> <>, server: 128.178.156.26:60020} complete
> 2008-07-17 12:10:52,030 INFO org.apache.hadoop.hbase.HMaster: all meta
> regions scanned
> 2008-07-17 12:11:46,864 INFO org.apache.hadoop.hbase.HMaster:
> HMaster.rootScanner scanning meta region {regionname: -ROOT-,,0, startKey:
> <>, server: 128.178.156.26:60020}
> 2008-07-17 12:11:46,873 INFO org.apache.hadoop.hbase.HMaster:
> HMaster.rootScanner scan of meta region {regionname: -ROOT-,,0, startKey:
> <>, server: 128.178.156.26:60020} complete
> 2008-07-17 12:11:52,030 INFO org.apache.hadoop.hbase.HMaster: all meta
> regions scanned
> 2008-07-17 12:12:46,865 INFO org.apache.hadoop.hbase.HMaster:
> HMaster.rootScanner scanning meta region {regionname: -ROOT-,,0, startKey:
> <>, server: 128.178.156.26:60020}
> 2008-07-17 12:12:46,873 INFO org.apache.hadoop.hbase.HMaster:
> HMaster.rootScanner scan of meta region {regionname: -ROOT-,,0, startKey:
> <>, server: 128.178.156.26:60020} complete
> 2008-07-17 12:12:52,031 INFO org.apache.hadoop.hbase.HMaster: all meta
> regions scanned
> 2008-07-17 12:13:46,865 INFO org.apache.hadoop.hbase.HMaster:
> HMaster.rootScanner scanning meta region {regionname: -ROOT-,,0, startKey:
> <>, server: 128.178.156.26:60020}
> 2008-07-17 12:13:46,874 INFO org.apache.hadoop.hbase.HMaster:
> HMaster.rootScanner scan of meta region {regionname: -ROOT-,,0, startKey:
> <>, server: 128.178.156.26:60020} complete
> 2008-07-17 12:13:52,031 INFO org.apache.hadoop.hbase.HMaster: all meta
> regions scanned
> 2008-07-17 12:14:46,865 INFO org.apache.hadoop.hbase.HMaster:
> HMaster.rootScanner scanning meta region {regionname: -ROOT-,,0, startKey:
> <>, server: 128.178.156.26:60020}
> 2008-07-17 12:14:46,876 INFO org.apache.hadoop.hbase.HMaster:
> HMaster.rootScanner scan of meta region {regionname: -ROOT-,,0, startKey:
> <>, server: 128.178.156.26:60020} complete
> 2008-07-17 12:14:52,031 INFO org.apache.hadoop.hbase.HMaster: all meta
> regions scanned
> 2008-07-17 12:15:46,865 INFO org.apache.hadoop.hbase.HMaster:
> HMaster.rootScanner scanning meta region {regionname: -ROOT-,,0, startKey:
> <>, server: 128.178.156.26:60020}
> 2008-07-17 12:15:46,873 INFO org.apache.hadoop.hbase.HMaster:
> HMaster.rootScanner scan of meta region {regionname: -ROOT-,,0, startKey:
> <>, server: 128.178.156.26:60020} complete
> 2008-07-17 12:15:52,031 INFO org.apache.hadoop.hbase.HMaster: all meta
> regions scanned
> 2008-07-17 12:16:46,866 INFO org.apache.hadoop.hbase.HMaster:
> HMaster.rootScanner scanning meta region {regionname: -ROOT-,,0, startKey:
> <>, server: 128.178.156.26:60020}
> 2008-07-17 12:16:46,875 INFO org.apache.hadoop.hbase.HMaster:
> HMaster.rootScanner scan of meta region {regionname: -ROOT-,,0, startKey:
> <>, server: 128.178.156.26:60020} complete
> 2008-07-17 12:16:52,031 INFO org.apache.hadoop.hbase.HMaster: all meta
> regions scanned
> 2008-07-17 12:17:46,866 INFO org.apache.hadoop.hbase.HMaster:
> HMaster.rootScanner scanning meta region {regionname: -ROOT-,,0, startKey:
> <>, server: 128.178.156.26:60020}
> 2008-07-17 12:17:46,878 INFO org.apache.hadoop.hbase.HMaster:
> HMaster.rootScanner scan of meta region {regionname: -ROOT-,,0, startKey:
> <>, server: 128.178.156.26:60020} complete
> 2008-07-17 12:17:52,031 INFO org.apache.hadoop.hbase.HMaster: all meta
> regions scanned
>
> 4) HRegionServer log file
>
> 2008-07-17 12:10:43,704 INFO org.apache.hadoop.ipc.metrics.RpcMetrics:
> Initializing RPC Metrics with hostName=60020, port=60020
> 2008-07-17 12:10:43,781 DEBUG org.apache.hadoop.hbase.HRegionServer:
> Telling master at srikanth-laptop:60000 that we are up
> 2008-07-17 12:10:43,849 DEBUG org.apache.hadoop.hbase.HRegionServer: Done
> telling master we are up
> 2008-07-17 12:10:43,850 DEBUG org.apache.hadoop.hbase.HRegionServer: Config
> from master: fs.default.name=file:/home/srikanth/hbase-store
> 2008-07-17 12:10:43,850 DEBUG org.apache.hadoop.hbase.HRegionServer: Config
> from master: hbase.rootdir=file:/home/srikanth/hbase-store
> 2008-07-17 12:10:43,900 DEBUG org.apache.hadoop.hbase.HRegionServer: Log
> dir file:/home/srikanth/hbase-store/log_128.178.84.163_1216289443773_60020
> 2008-07-17 12:10:43,941 INFO org.apache.hadoop.hbase.HLog: New log writer
> created at
> /home/srikanth/hbase-store/log_128.178.84.163_1216289443773_60020/hlog.dat.000
> 2008-07-17 12:10:44,012 INFO org.mortbay.util.Credential: Checking Resource
> aliases
> 2008-07-17 12:10:44,062 INFO org.mortbay.http.HttpServer: Version
> Jetty/5.1.4
> 2008-07-17 12:10:44,063 INFO org.mortbay.util.Container: Started
> HttpContext[/static,/static]
> 2008-07-17 12:10:44,063 INFO org.mortbay.util.Container: Started
> HttpContext[/logs,/logs]
> 2008-07-17 12:10:44,454 INFO org.mortbay.util.Container: Started
> org.mortbay.jetty.servlet.WebApplicationHandler@49d67c
> 2008-07-17 12:10:44,492 INFO org.mortbay.util.Container: Started
> WebApplicationContext[/,/]
> 2008-07-17 12:10:44,495 INFO org.mortbay.http.SocketListener: Started
> SocketListener on 0.0.0.0:60030
> 2008-07-17 12:10:44,495 INFO org.mortbay.util.Container: Started
> org.mortbay.jetty.Server@17ce4e7
> 2008-07-17 12:10:44,495 INFO org.apache.hadoop.ipc.Server: IPC Server
> Responder: starting
> 2008-07-17 12:10:44,495 INFO org.apache.hadoop.ipc.Server: IPC Server
> listener on 60020: starting
> 2008-07-17 12:10:44,497 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 0 on 60020: starting
> 2008-07-17 12:10:44,497 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 1 on 60020: starting
> 2008-07-17 12:10:44,497 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 2 on 60020: starting
> 2008-07-17 12:10:44,497 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 3 on 60020: starting
> 2008-07-17 12:10:44,497 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 4 on 60020: starting
> 2008-07-17 12:10:44,498 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 5 on 60020: starting
> 2008-07-17 12:10:44,498 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 6 on 60020: starting
> 2008-07-17 12:10:44,498 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 7 on 60020: starting
> 2008-07-17 12:10:44,498 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 8 on 60020: starting
> 2008-07-17 12:10:44,498 INFO org.apache.hadoop.hbase.HRegionServer:
> HRegionServer started at: 128.178.84.163:60020
> 2008-07-17 12:10:44,498 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 9 on 60020: starting
>
> Thanks,
> Srikanth.
>
> Quoting Jean-Daniel Cryans <jdcryans@gmail.com>:
>
>  Srikanth,
>>
>> Sorry for the delay, I answered the following yesterday but I didn't check
>> the email to which I replied which happen to be yours, not the mailing
>> list.
>> So, you should check your spam I guess.
>>
>>
>>
>> Ok. Let's do this.
>>
>> First, enable DEBUG mode following this
>> http://wiki.apache.org/hadoop/Hbase/FAQ#5. This will give us more
>> information.
>> Shutdown everything, format HDFS and delete all the logs on the region
>> server and master
>> Bring up HDFS and HBase
>> At that moment, we will get clean logs which will contain the reason why
>> the
>> META table isn't there which you will send to me
>>
>> In the mean time, I'd like so see your hbase-site.xml
>>
>> Thx
>>
>> On Wed, Jul 16, 2008 at 5:26 AM, <srikanth.bondalapati@epfl.ch> wrote:
>>
>>  Hi J-D,
>>>
>>>     I have formatted DFS and restarted Hadoop and HBase servers as u
>>> said,
>>> but sorry to say you that the problem still prevails...So, could you
>>> please
>>> suggest any other solutions.
>>>
>>> Thanks,
>>> Srikanth.
>>>
>>>
>>>
>>>  Srikanth,
>>>
>>>>
>>>> Interesting, the META table is never scanned at all! I think that
>>>> happened
>>>> to me once we I started messing around with HBase. Since the meta table
>>>> is
>>>> missing, I guess you don't have any data in HBase so I suggest shutting
>>>> down
>>>> HBase, then Hadoop, format HDFS, restart Hadoop and then restart HBase.
>>>> At
>>>> that point, you should see in the logs that the .META. region was
>>>> assigned
>>>> to your only regionserver. If not, we will have to investigate a bit
>>>> more.
>>>>
>>>> J-D
>>>>
>>>> On Tue, Jul 15, 2008 at 4:15 AM, <srikanth.bondalapati@epfl.ch> wrote:
>>>>
>>>>
>>>>  Hi,
>>>>>
>>>>>  I am using HBase version 0.1.2 and Hadoop version 0.16.4. These
>>>>> are the log file contents of the HBase after starting the HBase and
>>>>> giving a query from the HBase Shell: -
>>>>>
>>>>> 1) HBase master
>>>>>
>>>>> 2008-07-15 09:29:01,298 INFO org.apache.hadoop.hbase.HMaster: Root
>>>>> region dir: file:/home/srikanth/hbase-store/-ROOT-/70236052
>>>>> 2008-07-15 09:29:01,401 INFO org.apache.hadoop.ipc.metrics.RpcMetrics:
>>>>> Initializing RPC Metrics with hostName=60000, port=60000
>>>>> 2008-07-15 09:29:01,561 INFO org.apache.hadoop.hbase.HMaster: HMaster
>>>>> initialized on 128.178.84.132:60000
>>>>> 2008-07-15 09:29:01,789 INFO org.mortbay.util.Credential: Checking
>>>>> Resource aliases
>>>>> 2008-07-15 09:29:01,898 INFO org.mortbay.http.HttpServer: Version
>>>>> Jetty/5.1.4
>>>>> 2008-07-15 09:29:01,899 INFO org.mortbay.util.Container: Started
>>>>> HttpContext[/static,/static]
>>>>> 2008-07-15 09:29:01,899 INFO org.mortbay.util.Container: Started
>>>>> HttpContext[/logs,/logs]
>>>>> 2008-07-15 09:29:02,472 INFO org.mortbay.util.Container: Started
>>>>> org.mortbay.jetty.servlet.WebApplicationHandler@fcfa52
>>>>> 2008-07-15 09:29:02,629 INFO org.mortbay.util.Container: Started
>>>>> WebApplicationContext[/,/]
>>>>> 2008-07-15 09:29:03,029 INFO org.mortbay.util.Container: Started
>>>>> org.mortbay.jetty.servlet.WebApplicationHandler@618d26
>>>>> 2008-07-15 09:29:03,040 INFO org.mortbay.util.Container: Started
>>>>> WebApplicationContext[/api,rest]
>>>>> 2008-07-15 09:29:03,090 INFO org.mortbay.http.SocketListener: Started
>>>>> SocketListener on 0.0.0.0:60010
>>>>> 2008-07-15 09:29:03,090 INFO org.mortbay.util.Container: Started
>>>>> org.mortbay.jetty.Server@e0b6f5
>>>>> 2008-07-15 09:29:03,101 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> Responder: starting
>>>>> 2008-07-15 09:29:03,115 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> listener on 60000: starting
>>>>> 2008-07-15 09:29:03,143 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 0 on 60000: starting
>>>>> 2008-07-15 09:29:03,152 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 1 on 60000: starting
>>>>> 2008-07-15 09:29:03,160 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 2 on 60000: starting
>>>>> 2008-07-15 09:29:03,167 INFO org.apache.hadoop.hbase.HMaster: received
>>>>> start message from: 128.178.156.26:60020
>>>>> 2008-07-15 09:29:03,175 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 3 on 60000: starting
>>>>> 2008-07-15 09:29:03,180 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 4 on 60000: starting
>>>>> 2008-07-15 09:29:03,185 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 5 on 60000: starting
>>>>> 2008-07-15 09:29:03,195 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 6 on 60000: starting
>>>>> 2008-07-15 09:29:03,201 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 7 on 60000: starting
>>>>> 2008-07-15 09:29:03,206 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 8 on 60000: starting
>>>>> 2008-07-15 09:29:03,211 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 9 on 60000: starting
>>>>> 2008-07-15 09:29:03,333 INFO org.apache.hadoop.hbase.HMaster: received
>>>>> start message from: 128.178.84.132:60020
>>>>> 2008-07-15 09:29:03,579 INFO org.apache.hadoop.hbase.HMaster:
>>>>> assigning region -ROOT-,,0 to server 128.178.156.26:60020
>>>>> 2008-07-15 09:29:06,590 INFO org.apache.hadoop.hbase.HMaster:
>>>>> 128.178.156.26:60020 serving -ROOT-,,0
>>>>> 2008-07-15 09:29:06,594 INFO org.apache.hadoop.hbase.HMaster:
>>>>> HMaster.rootScanner scanning meta region {regionname: -ROOT-,,0,
>>>>> startKey: <>, server: 128.178.156.26:60020}
>>>>> 2008-07-15 09:29:06,790 INFO org.apache.hadoop.hbase.HMaster:
>>>>> HMaster.rootScanner scan of meta region {regionname: -ROOT-,,0,
>>>>> startKey: <>, server: 128.178.156.26:60020} complete
>>>>> 2008-07-15 09:29:11,591 INFO org.apache.hadoop.hbase.HMaster: all meta
>>>>> regions scanned
>>>>> 2008-07-15 09:30:06,791 INFO org.apache.hadoop.hbase.HMaster:
>>>>> HMaster.rootScanner scanning meta region {regionname: -ROOT-,,0,
>>>>> startKey: <>, server: 128.178.156.26:60020}
>>>>> 2008-07-15 09:30:06,800 INFO org.apache.hadoop.hbase.HMaster:
>>>>> HMaster.rootScanner scan of meta region {regionname: -ROOT-,,0,
>>>>> startKey: <>, server: 128.178.156.26:60020} complete
>>>>> 2008-07-15 09:30:11,591 INFO org.apache.hadoop.hbase.HMaster: all meta
>>>>> regions scanned
>>>>> 2008-07-15 09:31:06,791 INFO org.apache.hadoop.hbase.HMaster:
>>>>> HMaster.rootScanner scanning meta region {regionname: -ROOT-,,0,
>>>>> startKey: <>, server: 128.178.156.26:60020}
>>>>> 2008-07-15 09:31:06,800 INFO org.apache.hadoop.hbase.HMaster:
>>>>> HMaster.rootScanner scan of meta region {regionname: -ROOT-,,0,
>>>>> startKey: <>, server: 128.178.156.26:60020} complete
>>>>> 2008-07-15 09:31:11,591 INFO org.apache.hadoop.hbase.HMaster: all meta
>>>>> regions scanned
>>>>> 2008-07-15 09:32:06,792 INFO org.apache.hadoop.hbase.HMaster:
>>>>> HMaster.rootScanner scanning meta region {regionname: -ROOT-,,0,
>>>>> startKey: <>, server: 128.178.156.26:60020}
>>>>> 2008-07-15 09:32:06,815 INFO org.apache.hadoop.hbase.HMaster:
>>>>> HMaster.rootScanner scan of meta region {regionname: -ROOT-,,0,
>>>>> startKey: <>, server: 128.178.156.26:60020} complete
>>>>> 2008-07-15 09:32:11,591 INFO org.apache.hadoop.hbase.HMaster: all meta
>>>>> regions scanned
>>>>> 2008-07-15 09:33:06,792 INFO org.apache.hadoop.hbase.HMaster:
>>>>> HMaster.rootScanner scanning meta region {regionname: -ROOT-,,0,
>>>>> startKey: <>, server: 128.178.156.26:60020}
>>>>> 2008-07-15 09:33:06,801 INFO org.apache.hadoop.hbase.HMaster:
>>>>> HMaster.rootScanner scan of meta region {regionname: -ROOT-,,0,
>>>>> startKey: <>, server: 128.178.156.26:60020} complete
>>>>> 2008-07-15 09:33:11,591 INFO org.apache.hadoop.hbase.HMaster: all meta
>>>>> regions scanned
>>>>> 2008-07-15 09:34:06,793 INFO org.apache.hadoop.hbase.HMaster:
>>>>> HMaster.rootScanner scanning meta region {regionname: -ROOT-,,0,
>>>>> startKey: <>, server: 128.178.156.26:60020}
>>>>> 2008-07-15 09:34:06,799 INFO org.apache.hadoop.hbase.HMaster:
>>>>> HMaster.rootScanner scan of meta region {regionname: -ROOT-,,0,
>>>>> startKey: <>, server: 128.178.156.26:60020} complete
>>>>> 2008-07-15 09:34:11,591 INFO org.apache.hadoop.hbase.HMaster: all meta
>>>>> regions scanned
>>>>> 2008-07-15 09:35:06,792 INFO org.apache.hadoop.hbase.HMaster:
>>>>> HMaster.rootScanner scanning meta region {regionname: -ROOT-,,0,
>>>>> startKey: <>, server: 128.178.156.26:60020}
>>>>> 2008-07-15 09:35:06,802 INFO org.apache.hadoop.hbase.HMaster:
>>>>> HMaster.rootScanner scan of meta region {regionname: -ROOT-,,0,
>>>>> startKey: <>, server: 128.178.156.26:60020} complete
>>>>> 2008-07-15 09:35:11,591 INFO org.apache.hadoop.hbase.HMaster: all meta
>>>>> regions scanned
>>>>> 2008-07-15 09:36:06,792 INFO org.apache.hadoop.hbase.HMaster:
>>>>> HMaster.rootScanner scanning meta region {regionname: -ROOT-,,0,
>>>>> startKey: <>, server: 128.178.156.26:60020}
>>>>> 2008-07-15 09:36:06,801 INFO org.apache.hadoop.hbase.HMaster:
>>>>> HMaster.rootScanner scan of meta region {regionname: -ROOT-,,0,
>>>>> startKey: <>, server: 128.178.156.26:60020} complete
>>>>> 2008-07-15 09:36:11,591 INFO org.apache.hadoop.hbase.HMaster: all meta
>>>>> regions scanned
>>>>>
>>>>> 2) HBase regionServer (slave)
>>>>>
>>>>> 2008-07-15 09:26:16,994 INFO org.apache.hadoop.ipc.metrics.RpcMetrics:
>>>>> Initializing RPC Metrics with hostName=60020, port=60020
>>>>> 2008-07-15 09:26:18,050 INFO org.apache.hadoop.hbase.HLog: New log
>>>>> writer created at
>>>>>
>>>>>
>>>>>
>>>>> /home/srikanth/hbase-store/log_128.178.156.26_1216106777047_60020/hlog.dat.000
>>>>> 2008-07-15 09:26:18,095 INFO org.mortbay.util.Credential: Checking
>>>>> Resource aliases
>>>>> 2008-07-15 09:26:18,123 INFO org.mortbay.http.HttpServer: Version
>>>>> Jetty/5.1.4
>>>>> 2008-07-15 09:26:18,124 INFO org.mortbay.util.Container: Started
>>>>> HttpContext[/static,/static]
>>>>> 2008-07-15 09:26:18,124 INFO org.mortbay.util.Container: Started
>>>>> HttpContext[/logs,/logs]
>>>>> 2008-07-15 09:26:18,353 INFO org.mortbay.util.Container: Started
>>>>> org.mortbay.jetty.servlet.WebApplicationHandler@5c391c3
>>>>> 2008-07-15 09:26:18,378 INFO org.mortbay.util.Container: Started
>>>>> WebApplicationContext[/,/]
>>>>> 2008-07-15 09:26:18,380 INFO org.mortbay.http.SocketListener: Started
>>>>> SocketListener on 0.0.0.0:60030
>>>>> 2008-07-15 09:26:18,380 INFO org.mortbay.util.Container: Started
>>>>> org.mortbay.jetty.Server@4e4ee70b
>>>>> 2008-07-15 09:26:18,380 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> Responder: starting
>>>>> 2008-07-15 09:26:18,381 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> listener on 60020: starting
>>>>> 2008-07-15 09:26:18,382 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 0 on 60020: starting
>>>>> 2008-07-15 09:26:18,382 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 1 on 60020: starting
>>>>> 2008-07-15 09:26:18,382 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 2 on 60020: starting
>>>>> 2008-07-15 09:26:18,382 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 3 on 60020: starting
>>>>> 2008-07-15 09:26:18,382 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 4 on 60020: starting
>>>>> 2008-07-15 09:26:18,382 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 5 on 60020: starting
>>>>> 2008-07-15 09:26:18,382 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 6 on 60020: starting
>>>>> 2008-07-15 09:26:18,382 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 7 on 60020: starting
>>>>> 2008-07-15 09:26:18,382 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 8 on 60020: starting
>>>>> 2008-07-15 09:26:18,383 INFO org.apache.hadoop.hbase.HRegionServer:
>>>>> HRegionServer started at: 128.178.156.26:60020
>>>>> 2008-07-15 09:26:18,383 INFO org.apache.hadoop.ipc.Server: IPC Server
>>>>> handler 9 on 60020: starting
>>>>> 2008-07-15 09:26:18,390 INFO org.apache.hadoop.hbase.HRegionServer:
>>>>> MSG_REGION_OPEN : -ROOT-,,0
>>>>> 2008-07-15 09:26:18,414 INFO org.apache.hadoop.hbase.HRegion: region
>>>>> -ROOT-,,0/70236052 available
>>>>> 2008-07-15 09:26:18,415 INFO org.apache.hadoop.hbase.HRegion: checking
>>>>> compaction on region -ROOT-,,0
>>>>> 2008-07-15 09:26:18,415 INFO org.apache.hadoop.hbase.HRegion: checking
>>>>> compaction completed on region -ROOT-,,0 in 0sec
>>>>>
>>>>>
>>>>> Thanking you,
>>>>> Srikanth.
>>>>>
>>>>> Srikanth,
>>>>>
>>>>> Which version of HBase? Can we see your master and regionserver logs?
>>>>> (in
>>>>> the logs folder on each machine)
>>>>>
>>>>> Thx
>>>>>
>>>>> J-D
>>>>>
>>>>>
>>>>> On Mon, Jul 14, 2008 at 12:13 PM, <srikanth.bondalapati@epfl.ch>
>>>>> wrote:
>>>>>
>>>>>  Hi,
>>>>>
>>>>>
>>>>>>  I have installed Hadoop and HBase on two different linux machines
one
>>>>>> being Ubuntu and the other Xentos . I was also able to start
>>>>>> slave(Xentos)
>>>>>> from the master(Ubuntu). And the output of "jps" shows all the
>>>>>> processes
>>>>>> running on both master and slave. But when I give any query in the
>>>>>> hbase
>>>>>> shell whether on the master or on the slave it displays the following
>>>>>> error
>>>>>> message "org.apache.hadoop.hbase.TableNotFoundException: Table '.META'
>>>>>> does
>>>>>> not exist". But when I run only Hbase on the master(though Hadoop
>>>>>> running
>>>>>> in
>>>>>> both) I was able to access the hbase pretty well.
>>>>>>
>>>>>>  So, could you please suggest the wrong I might have done.
>>>>>>
>>>>>> Regards,
>>>>>> Srikanth.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>
>>>
>>>
>>
>
>

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