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From Amila Wijayarathna <amwijayarat...@gmail.com>
Subject Re: Accumulo not initializing
Date Sat, 14 May 2016 17:34:26 GMT
Hi Adina,
Zookeeper is successfully started, i got imok back. But Accumulo is failed
to initialize.  i got the following,

2016-05-14 22:56:07,267 [init.Initialize] INFO : Hadoop Filesystem is
hdfs://localhost:9000
2016-05-14 22:56:07,268 [init.Initialize] INFO : Accumulo data dirs are
[hdfs://localhost:9000/ACCUMULO5]
2016-05-14 22:56:07,268 [init.Initialize] INFO : Zookeeper server is
localhost:2181
2016-05-14 22:56:07,268 [init.Initialize] INFO : Checking if Zookeeper is
available. If this hangs, then you need to make sure zookeeper is running
2016-05-14 22:57:07,640 [init.Initialize] FATAL:
java.lang.RuntimeException: Failed to connect to zookeeper (localhost:2181)
within 2x zookeeper timeout period 30000
java.lang.RuntimeException: Failed to connect to zookeeper (localhost:2181)
within 2x zookeeper timeout period 30000
    at
org.apache.accumulo.fate.zookeeper.ZooSession.connect(ZooSession.java:123)
    at
org.apache.accumulo.fate.zookeeper.ZooSession.getSession(ZooSession.java:167)
    at
org.apache.accumulo.fate.zookeeper.ZooReader.getSession(ZooReader.java:39)
    at
org.apache.accumulo.fate.zookeeper.ZooReaderWriter.getZooKeeper(ZooReaderWriter.java:50)
    at
org.apache.accumulo.fate.zookeeper.ZooReader.exists(ZooReader.java:166)
    at
org.apache.accumulo.server.init.Initialize.zookeeperAvailable(Initialize.java:277)
    at
org.apache.accumulo.server.init.Initialize.checkInit(Initialize.java:159)
    at
org.apache.accumulo.server.init.Initialize.doInit(Initialize.java:213)
    at org.apache.accumulo.server.init.Initialize.main(Initialize.java:590)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.accumulo.start.Main$1.run(Main.java:141)
    at java.lang.Thread.run(Thread.java:745)
Thread "init" died java.lang.RuntimeException: Failed to connect to
zookeeper (localhost:2181) within 2x zookeeper timeout period 30000
java.lang.RuntimeException: java.lang.RuntimeException: Failed to connect
to zookeeper (localhost:2181) within 2x zookeeper timeout period 30000
    at org.apache.accumulo.server.init.Initialize.main(Initialize.java:594)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.accumulo.start.Main$1.run(Main.java:141)
    at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.RuntimeException: Failed to connect to zookeeper
(localhost:2181) within 2x zookeeper timeout period 30000
    at
org.apache.accumulo.fate.zookeeper.ZooSession.connect(ZooSession.java:123)
    at
org.apache.accumulo.fate.zookeeper.ZooSession.getSession(ZooSession.java:167)
    at
org.apache.accumulo.fate.zookeeper.ZooReader.getSession(ZooReader.java:39)
    at
org.apache.accumulo.fate.zookeeper.ZooReaderWriter.getZooKeeper(ZooReaderWriter.java:50)
    at
org.apache.accumulo.fate.zookeeper.ZooReader.exists(ZooReader.java:166)
    at
org.apache.accumulo.server.init.Initialize.zookeeperAvailable(Initialize.java:277)
    at
org.apache.accumulo.server.init.Initialize.checkInit(Initialize.java:159)
    at
org.apache.accumulo.server.init.Initialize.doInit(Initialize.java:213)
    at org.apache.accumulo.server.init.Initialize.main(Initialize.java:590)
    ... 6 more

Are there any configurations need to change other than zoo.cfg?

Thank you!

On Sat, May 14, 2016 at 9:02 PM, Adina Crainiceanu <adina@usna.edu> wrote:

> Amila,
>
>
> 2 ideas:
>
> 1) Are you sure that Zookeeper started successfully? Maybe it did not. Make
> sure the permissions on that local dir you used for dirData are correct.
>
> Try the
> sudo echo ruok | nc 127.0.0.1 2181
>
> if you don;t get imok back, start Zookeeper
>
> 2) Did you re-initialized Accumulo? Since you started Zookeeper in a
> different directory, Accumulo needs to be initialized before it starts
>
> accumulo-${ACCUMULO_VERSION}/bin/accumulo init --instance-name dev
> --password root
> accumulo-${ACCUMULO_VERSION}/bin/start-all.sh
>
> Adina
>
> On Sat, May 14, 2016 at 7:34 AM, Amila Wijayarathna <
> amwijayarathna@gmail.com> wrote:
>
> > Hi Adina,
> >
> > After a restart I used *accumulo-1.6.4/bin/stop-all.sh* and after that I
> > start accumulo again with *accumulo-1.6.4/bin/start-all.sh * then I can
> > successfully start accumulo without initializing problem.
> >
> > But after I changed the Datadir value to a local, I can successfully
> start
> > Zookeeper. Then I tried to start accumulo using
> > *accumulo-1.6.4/bin/start-all.sh
> > *but I got the following,
> >
> >
> > amila@amila-X550LD:~$ ~/Installs/accumulo-1.6.4/bin/start-all.sh
> >
> > Starting monitor on localhost
> >
> > WARN : Max open files on localhost is 1024, recommend 32768
> >
> > Starting tablet servers .... done
> >
> > 2016-05-14 16:34:54,379 [server.Accumulo] INFO : Attempting to talk to
> > zookeeper
> >
> > Starting tablet server on localhost
> >
> > WARN : Max open files on localhost is 1024, recommend 32768
> >
> > Thread "org.apache.accumulo.master.state.SetGoalState" died Failed to
> > connect to zookeeper (localhost:2181) within 2x zookeeper timeout period
> > 30000
> >
> > java.lang.RuntimeException: Failed to connect to zookeeper
> (localhost:2181)
> > within 2x zookeeper timeout period 30000
> >
> > at
> >
> org.apache.accumulo.fate.zookeeper.ZooSession.connect(ZooSession.java:123)
> >
> > at
> >
> >
> org.apache.accumulo.fate.zookeeper.ZooSession.getSession(ZooSession.java:167)
> >
> >
> > at
> >
> org.apache.accumulo.fate.zookeeper.ZooReader.getSession(ZooReader.java:39)
> >
> > at
> >
> >
> org.apache.accumulo.fate.zookeeper.ZooReaderWriter.getZooKeeper(ZooReaderWriter.java:50)
> >
> >
> > at
> >
> >
> org.apache.accumulo.fate.zookeeper.ZooReader.getChildren(ZooReader.java:128)
> >
> >
> > at
> >
> >
> org.apache.accumulo.server.Accumulo.waitForZookeeperAndHdfs(Accumulo.java:269)
> >
> >
> > at
> org.apache.accumulo.master.state.SetGoalState.main(SetGoalState.java:46)
> >
> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >
> > at
> >
> >
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> >
> >
> > at
> >
> >
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> >
> >
> > at java.lang.reflect.Method.invoke(Method.java:606)
> >
> > at org.apache.accumulo.start.Main$1.run(Main.java:141)
> >
> > at java.lang.Thread.run(Thread.java:745)
> >
> > Starting master on localhost
> >
> > WARN : Max open files on localhost is 1024, recommend 32768
> >
> > Starting garbage collector on localhost
> >
> > WARN : Max open files on localhost is 1024, recommend 32768
> >
> > Starting tracer on localhost
> >
> > WARN : Max open files on localhost is 1024, recommend 32768
> >
> >
> > Any idea about this is appreciated.
> >
> > Thank you.
> >
> > On Fri, May 13, 2016 at 8:28 PM, Adina Crainiceanu <adina@usna.edu>
> wrote:
> >
> > > Amila,
> > >
> > > As Christopher said, make sure that Zookeeper and Hadoop store the data
> > > outside the /tmp folder. For Zookeeper, the default configuration
> > specifies
> > > the /tmp/zookeeper folder, so make sure to change that (go to
> > > /pathtoZookeeper/conf/zoo.cfg  and look at the dataDir value; it should
> > not
> > > start with /tmp. If it does, change that to some local, non-tmp folder,
> > for
> > > example /data/zookeeper).
> > >
> > > That is a problem for the Rya Vagrant VM too - Zookeeper stores the
> data
> > in
> > > /tmp/zookeeper so a restart creates problems with Accumulo, including
> > > a "Waiting
> > > for accumulo to be initialized." message
> > >
> > > Adina
> > >
> > > On Thu, Apr 21, 2016 at 2:17 PM, Amila Wijayarathna <
> > > amwijayarathna@gmail.com> wrote:
> > >
> > > > Hi Christoper,
> > > > Thank you for your prompt reply. I successfully re-corrected that
> > warning
> > > > messages from your guidelines and still working on that initializing
> > > > problem.Any further ideas about that are thoroughly appreciated.
> > > >
> > > > Thank you!
> > > >
> > > > On Tue, Apr 19, 2016 at 11:06 PM, Christopher <ctubbsii@apache.org>
> > > wrote:
> > > >
> > > > > The warning about the ZooKeeper version is probably due to a
> trailing
> > > > slash
> > > > > at the end of your environment variable for ZOOKEEPER_HOME.
> > > > >
> > > > > The max open files warning is regarding what is being discussed
> here:
> > > > >
> > > > >
> > > >
> > >
> >
> http://askubuntu.com/questions/162229/how-do-i-increase-the-open-files-limit-for-a-non-root-user
> > > > > (this
> > > > > is just the first link I found that covered the topic... but there
> > > might
> > > > be
> > > > > better discussions of system security limits and ulimit elsewhere)
> > > > >
> > > > > The synconclose warning can be addressed by setting the recommended
> > > value
> > > > > to true in your hadoop configuration (hdfs-site.xml)
> > > > >
> > > > > As for the initialization problem, it sounds like you're trying to
> > > > > re-initialize Accumulo in the same location that it was previously
> > > > > initialized. You only need to do initialization once, but you do
> need
> > > to
> > > > > make sure that wherever Hadoop and ZooKeeper are storing their data
> > in
> > > > the
> > > > > local filesystem, that they aren't in a temporary directory or
> > > something
> > > > > like that.
> > > > >
> > > > > If you actually do wish to re-initialize Accumulo, you can delete
> the
> > > > > previous contents of Hadoop's /accumulo directory first (make sure
> > you
> > > > want
> > > > > to do this... existing data will be deleted), using something like
> > > > `hadoop
> > > > > fs -rmr /accumulo` (exact command may depend on your version of
> > > Hadoop).
> > > > >
> > > > > On Tue, Apr 19, 2016 at 1:10 PM Amila Wijayarathna <
> > > > > amwijayarathna@gmail.com>
> > > > > wrote:
> > > > >
> > > > > > 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.
> > > > > >
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > >
> > > > *Amila Wijayarathna*
> > > > Undergraduate,
> > > > Faculty of Information Technology,
> > > > University of Moratuwa,
> > > > Sri Lanka.
> > > >
> > >
> > >
> > >
> > > --
> > > Dr. Adina Crainiceanu
> > > Associate Professor, Computer Science Department
> > > United States Naval Academy
> > > 410-293-6822
> > > adina@usna.edu
> > > http://www.usna.edu/Users/cs/adina/
> > >
> >
> >
> >
> > --
> >
> > *Amila Wijayarathna*
> > Undergraduate,
> > Faculty of Information Technology,
> > University of Moratuwa,
> > Sri Lanka.
> >
>
>
>
> --
> Dr. Adina Crainiceanu
> Associate Professor, Computer Science Department
> United States Naval Academy
> 410-293-6822
> adina@usna.edu
> http://www.usna.edu/Users/cs/adina/
>



-- 

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

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