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Date: Sat, 5 Nov 2011 16:28:48 -0700
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Subject: Re: HBase 0.92/Hadoop 0.22 test results
From: Roman Shaposhnik <rvs@apache.org>
To: dev@hbase.apache.org
Cc: Andrew Purtell <apurtell@apache.org>
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On Fri, Nov 4, 2011 at 9:02 PM, Stack <stack@duboce.net> wrote:
> FYI, the boys fixed hbase-4745 in TRUNK/0.92 branch.

Great! I've deployed a cluster from the 0.92 head and all of a sudden
started to see the following issue: any attempt at table creation
generates the following in the logs:

11/11/05 19:08:48 INFO handler.CreateTableHandler: Attemping to create
the table b
11/11/05 19:08:48 ERROR handler.CreateTableHandler: Error trying to
create the table b
java.io.FileNotFoundException: File
hdfs://ip-10-110-254-200.ec2.internal:17020/hbase/b does not exist.
	at org.apache.hadoop.hdfs.DistributedFileSystem.listStatus(DistributedFile=
System.java:387)
	at org.apache.hadoop.fs.FileSystem.listStatus(FileSystem.java:1085)
	at org.apache.hadoop.fs.FileSystem.listStatus(FileSystem.java:1110)
	at org.apache.hadoop.hbase.util.FSTableDescriptors.getTableInfoPath(FSTabl=
eDescriptors.java:257)
	at org.apache.hadoop.hbase.util.FSTableDescriptors.getTableInfoPath(FSTabl=
eDescriptors.java:243)
	at org.apache.hadoop.hbase.util.FSTableDescriptors.createTableDescriptor(F=
STableDescriptors.java:566)
	at org.apache.hadoop.hbase.util.FSTableDescriptors.createTableDescriptor(F=
STableDescriptors.java:535)
	at org.apache.hadoop.hbase.util.FSTableDescriptors.createTableDescriptor(F=
STableDescriptors.java:519)
	at org.apache.hadoop.hbase.master.handler.CreateTableHandler.handleCreateT=
able(CreateTableHandler.java:140)
	at org.apache.hadoop.hbase.master.handler.CreateTableHandler.process(Creat=
eTableHandler.java:126)
	at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:168=
)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecut=
or.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.j=
ava:908)
	at java.lang.Thread.run(Thread.java:619)

Here's ZK perspective on that same table:
     [zk: localhost(CONNECTED) 4]  get /hbase/table/b
=EF=BF=BD#9079@ip-10-110-254-200.ec2.internalENABLING

In general, master has no troubles writing to HDFS. I see
/hbase/-ROOT-/ and /hbase/.META. and the usual stuff. On top
of that it doesn't seem to be HDFS specific at all. Running HBASE
in a standalone mode produces the following:

11/11/05 19:27:09 INFO handler.CreateTableHandler: Attemping to create
the table h
11/11/05 19:27:09 ERROR handler.CreateTableHandler: Error trying to
create the table h
java.io.FileNotFoundException: File file:/tmp/hbase-hbase/hbase/h does
not exist.

Any ideas on what could be going wrong?

Thanks,
Roman.