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From John Vines <vi...@apache.org>
Subject Re: Can't get Accumulo 1.5 monitor interface to start in my browser
Date Wed, 11 Sep 2013 15:55:32 GMT
You need to delete the /accumulo directory out of hdfs


On Wed, Sep 11, 2013 at 11:54 AM, Pete Carlson <pgcarlson@gmail.com> wrote:

> I removed the monitor certificates as suggested, and I no longer get any
> messages in the monitor_localhost.err file.
>
> When I look in the monitor_localhost.localdomain.log file and saw the
> following INFO/Exception message:
>
> 2013-09-11 11:42:50,012 [monitor.Monitor] INFO :  Failed to obtain problem
> reports
> java.lang.RuntimeException:
> org.apache.accumulo.core.client.impl.ThriftScanner$ScanTimedOutException
>         at
> org.apache.accumulo.core.client.impl.ScannerIterator.hasNext(ScannerIterator.java:174)
>         at
> org.apache.accumulo.server.problems.ProblemReports$3.hasNext(ProblemReports.java:241)
>         at
> org.apache.accumulo.server.problems.ProblemReports.summarize(ProblemReports.java:299)
>         at
> org.apache.accumulo.server.monitor.Monitor.fetchData(Monitor.java:392)
>         at
> org.apache.accumulo.server.monitor.Monitor$2.run(Monitor.java:504)
>         at
> org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
>         at java.lang.Thread.run(Thread.java:724)
> Caused by:
> org.apache.accumulo.core.client.impl.ThriftScanner$ScanTimedOutException
>         at
> org.apache.accumulo.core.client.impl.ThriftScanner.scan(ThriftScanner.java:212)
>         at
> org.apache.accumulo.core.client.impl.ScannerIterator$Reader.run(ScannerIterator.java:82)
>         at
> org.apache.accumulo.core.client.impl.ScannerIterator.hasNext(ScannerIterator.java:164)
>         ... 6 more
>
> I was thinking this was related to the fact I didn't yet have Thrift 0.9.0
> installed (due to dependency issues).  I now have Thrift 0.9.0 installed.
>  I saved off my config files, blew away the accumulo directory and
> extracted it again from the tar.gz and copied over my conf files.
>
> However, when I run the accumulo-1.5.0/bin/accumulo init command again it
> gives me the following error:
>
> [util.Initialize] FATAL: It appears this location was previously
> initialized, exiting ...
>
> I can still start Accumulo like before with the bin/start-all.sh command
> but the Accumulo monitor still doesn't work IN my VM.
>
> Any other ideas to try?
>
> Pete
>
> On Wed, Sep 11, 2013 at 10:57 AM, John Vines <vines@apache.org> wrote:
>
>> Either try rerunning the monitor certificates or remove the portion from
>> your accumulo-site that defines use of the certificate. I suggest the
>> latter simply to remove variables at hand.
>>
>>
>> On Wed, Sep 11, 2013 at 10:54 AM, Pete Carlson <pgcarlson@gmail.com>wrote:
>>
>>> John,
>>>
>>> What is the monitor process called so I can verify its running?  I did
>>> look at the thread monitor logs, and under monitor_localhost.err it gives a
>>> FileNotFoundException because it can't find the keystore.jks under
>>> accumulo-1.5.0/conf/
>>>
>>> I would have thought when I ran ./generate_monitor_certificate.sh it
>>> would have created this.
>>>
>>> I was trying to run the monitor in a browser IN the VM.  Thats how I
>>> found this problem.
>>>
>>> Regards,
>>>
>>> Pete
>>>
>>>
>>> On Wed, Sep 11, 2013 at 10:41 AM, John Vines <vines@apache.org> wrote:
>>>
>>>> Again, please check to make sure the monitor process is running and
>>>> it's not reporting any errors in it's logs.
>>>>
>>>> If you can verify that (and please verify that first), try accessing
>>>> the monitor in a browser IN the VM.
>>>>
>>>>
>>>> On Wed, Sep 11, 2013 at 10:36 AM, Pete Carlson <pgcarlson@gmail.com>wrote:
>>>>
>>>>> All,
>>>>>
>>>>> Just to clarify I have a Centos VM running on my Windows 7 box, and I
>>>>> have Accumulo, Hadoop, and Zookeeper running on it standalone.  I was
>>>>> trying to open the Accumulo monitor within that VM and it failed.  However
>>>>> I can open the Hadoop Namenode and Jobtracker web interfaces in my browser
>>>>> just fine.
>>>>>
>>>>> Brendan, I was able to connect to my VM using netcat on port 50095.
>>>>>
>>>>> However, when I try to telnet to that port on my Win7 with telnet
>>>>> using my VM's ip address and port i.e.,
>>>>>
>>>>> telnet <IP address of vm> 50095
>>>>>
>>>>> I get a message:   ....Could not open connection to the host, on port
>>>>> 50095: Connect failed.
>>>>>
>>>>> Pete
>>>>>
>>>>>
>>>>> On Wed, Sep 11, 2013 at 9:15 AM, Brendan Heussler <bheussler@gmail.com
>>>>> > wrote:
>>>>>
>>>>>> Can you try to connect to your VM using netcat on port 50095?
>>>>>>
>>>>>> On VM:
>>>>>> nc -l 50095
>>>>>>
>>>>>> On Client:
>>>>>> nc <ip-address of VM> 50095
>>>>>>
>>>>>>  Then type "test" or something on your Client machine.  The message
>>>>>> should be sent to your VM.
>>>>>>
>>>>>> This will help to test the connectivity of the two machines over
port
>>>>>> 50095
>>>>>>
>>>>>>
>>>>>> Brendan
>>>>>>
>>>>>>
>>>>>> On Tue, Sep 10, 2013 at 5:22 PM, John Vines <vines@apache.org>
wrote:
>>>>>>
>>>>>>> Are you certain the monitor is running and was able to bind to
the
>>>>>>> port? Please check the monitor logs for any errors.
>>>>>>>
>>>>>>>
>>>>>>> On Tue, Sep 10, 2013 at 5:18 PM, Pete Carlson <pgcarlson@gmail.com>wrote:
>>>>>>>
>>>>>>>> John,
>>>>>>>>
>>>>>>>> I don't see port 50095 in use in the VM.  When I become root
and
>>>>>>>> type lsof -i -P | grep :50095 I don't get anything back.
>>>>>>>>
>>>>>>>> Any suggestions on how to get the port running?  I tried
editing
>>>>>>>> the iptables with the following command:
>>>>>>>>
>>>>>>>> iptables -I INPUT -p tcp --dport 50095 -j ACCEPT
>>>>>>>>
>>>>>>>> and then I typed
>>>>>>>>
>>>>>>>> service iptables save
>>>>>>>>
>>>>>>>> to save my iptable changes, but when I restarted my VM I
didn't see
>>>>>>>> any difference.
>>>>>>>>
>>>>>>>> Regards,
>>>>>>>>
>>>>>>>> Pete
>>>>>>>>
>>>>>>>> Looking for a unique woodcraft?  Check out my Facebook page:
>>>>>>>> www.facebook.com/oqwcrafts
>>>>>>>>
>>>>>>>> Also on Etsy: https://www.etsy.com/shop/OlneyQualityWoodCrft
>>>>>>>>
>>>>>>>>
>>>>>>>> On Tue, Sep 10, 2013 at 4:56 PM, John Vines <vines@apache.org>wrote:
>>>>>>>>
>>>>>>>>> You don't see 50095 in use locally on the VM or in your
box? You
>>>>>>>>> should only see it in use in the VM. If not, make sure
it's running. If it
>>>>>>>>> is, check the monitor logs and see what's up.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Tue, Sep 10, 2013 at 4:51 PM, Pete Carlson <pgcarlson@gmail.com
>>>>>>>>> > wrote:
>>>>>>>>>
>>>>>>>>>> Hi John,
>>>>>>>>>>
>>>>>>>>>> No, it looks like port 50095 wasn't open on my VM.
 I tried
>>>>>>>>>> modifying the IP tables to make it opened, and restarted
my VM but when I
>>>>>>>>>> run the lsof -i command I don't see port 50095 listed.
>>>>>>>>>>
>>>>>>>>>> Pete
>>>>>>>>>>
>>>>>>>>>> Regards,
>>>>>>>>>>
>>>>>>>>>> Pete
>>>>>>>>>>
>>>>>>>>>> Looking for a unique woodcraft?  Check out my Facebook
page:
>>>>>>>>>> www.facebook.com/oqwcrafts
>>>>>>>>>>
>>>>>>>>>> Also on Etsy: https://www.etsy.com/shop/OlneyQualityWoodCrft
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Tue, Sep 10, 2013 at 3:56 PM, John Vines <vines@apache.org>wrote:
>>>>>>>>>>
>>>>>>>>>>> Do you have the port open to your VM?
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On Tue, Sep 10, 2013 at 3:54 PM, Pete Carlson
<
>>>>>>>>>>> pgcarlson@gmail.com> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> Hi,
>>>>>>>>>>>>
>>>>>>>>>>>> I just set up a free standing Accumulo 1.5
instance on my linux
>>>>>>>>>>>> VM, and when I run bin/start-all.sh it starts
up accumulo, and also
>>>>>>>>>>>> connects to my free standing Zookeeper and
HDFS instances .
>>>>>>>>>>>>
>>>>>>>>>>>> However, when I try to pull up the Accumulo
master in my
>>>>>>>>>>>> FireFox browser (Firefox ESR 10.0.12) i.e.,
>>>>>>>>>>>> http://accumulomaster:50095/status for health
and monitoring,
>>>>>>>>>>>> I get an unable to connect error.
>>>>>>>>>>>>
>>>>>>>>>>>> I also tried running ./generate_monitor_certificate.sh
and
>>>>>>>>>>>> copied those properties in my accumulo-site.xml
but I still get the same
>>>>>>>>>>>> result.
>>>>>>>>>>>>
>>>>>>>>>>>> Is there something else I need to configure?
>>>>>>>>>>>>
>>>>>>>>>>>> Regards,
>>>>>>>>>>>>
>>>>>>>>>>>> Pete
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>

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