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From Amila Wijayarathna <amwijayarat...@gmail.com>
Subject Accumulo not initializing
Date Tue, 19 Apr 2016 17:09:52 GMT
Hi all,

I'm trying to work with RYA in my Ubuntu laptop. And it needs Hadoop,
Zookeeper and Accumulo servers As prerequisites.

After a shutdown, I need to restart hadoop, zookeeper and accumulo. When I
do, Hadoop and Zookeeper servers are starting successfully but when I start
Accumulo I get the following,

WARN : Using Zookeeper
/home/amila/Installs/zookeeper-3.4.8/zookeeper-3.4.8. Use version 3.3.0 or
greater to avoid zookeeper deadlock bug.

Starting monitor on localhost

WARN : Max open files on localhost is 1024, recommend 32768

Starting tablet servers .... done

2016-04-19 17:40:43,303 [fs.VolumeManagerImpl] WARN :
dfs.datanode.synconclose set to false in hdfs-site.xml: data loss is
possible on hard system reset or power loss

2016-04-19 17:40:43,308 [server.Accumulo] INFO : Attempting to talk to
zookeeper

2016-04-19 17:40:43,522 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

2016-04-19 17:40:44,534 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

2016-04-19 17:40:45,536 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

2016-04-19 17:40:46,538 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

2016-04-19 17:40:47,541 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

2016-04-19 17:40:48,543 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

2016-04-19 17:40:49,545 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

2016-04-19 17:40:50,547 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

2016-04-19 17:40:51,549 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

2016-04-19 17:40:52,550 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

Starting tablet server on localhost

WARN : Max open files on localhost is 1024, recommend 32768

2016-04-19 17:40:53,551 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

2016-04-19 17:40:54,552 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

2016-04-19 17:40:55,554 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

2016-04-19 17:40:56,555 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

2016-04-19 17:40:57,556 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

2016-04-19 17:40:58,558 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

2016-04-19 17:40:59,559 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

2016-04-19 17:41:00,561 [server.Accumulo] INFO : Waiting for accumulo to be
initialized

Then I tried to initialize Accumulo and I got following,

2016-04-19 16:56:06,984 [fs.VolumeManagerImpl] WARN :
dfs.datanode.synconclose set to false in hdfs-site.xml: data loss is
possible on hard system reset or power loss

2016-04-19 16:56:06,985 [init.Initialize] INFO : Hadoop Filesystem is
hdfs://localhost:9000

2016-04-19 16:56:06,986 [init.Initialize] INFO : Accumulo data dirs are
[hdfs://localhost:9000/accumulo]

2016-04-19 16:56:06,986 [init.Initialize] INFO : Zookeeper server is
localhost:2181

2016-04-19 16:56:06,986 [init.Initialize] INFO : Checking if Zookeeper is
available. If this hangs, then you need to make sure zookeeper is running

2016-04-19 16:56:07,250 [init.Initialize] FATAL: It appears the directories
[hdfs://localhost:9000/accumulo] were previously initialized.

2016-04-19 16:56:07,250 [init.Initialize] FATAL: Change the property
instance.volumes to use different filesystems,

2016-04-19 16:56:07,250 [init.Initialize] FATAL: or change the property
instance.dfs.dir to use a different directory.

2016-04-19 16:56:07,250 [init.Initialize] FATAL: The current value of
instance.dfs.uri is ||

2016-04-19 16:56:07,250 [init.Initialize] FATAL: The current value of
instance.dfs.dir is |/accumulo|

2016-04-19 16:56:07,250 [init.Initialize] FATAL: The current value of
instance.volumes is |hdfs://localhost:9000/accumulo|


Can anyone point me how to do this correctly?

Thank you!


-- 

*Amila Wijayarathna*
Undergraduate,
Faculty of Information Technology,
University of Moratuwa,
Sri Lanka.

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