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From: Burn Lewis <burnlewis@gmail.com>
Date: Thu, 20 Jul 2017 07:58:11 -0400
Message-ID: <CA+U9pLtijMZPYfZbu4=zKDd182i5dXkfKWHhxbnaW++02tWmtg@mail.gmail.com>
Subject: Re: DUCC Web Server Service Visibility and Default Reservations
To: user@uima.apache.org
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archived-at: Thu, 20 Jul 2017 11:58:18 -0000

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I think this is one of the reasons we don't encourage use of the DUCC
broker ... it uses non-standard ports (to avoid conflicts with a
user-created broker) and your error message probably means that the default
pinger cannot access the default JMX port of 1099.  There is a way to
specify the JMX port for the pinger but I think the simple and more general
approach is for you to use a separate broker.  The DUCC installation
includes UIMA-AS so from some shell set UIMA_HOME and start a broker, e.g.
export UIMA_HOME=$DUCC_HOME/apache-uima
$UIMA_HOME/bin/startBroker.sh

~Burn

On Wed, Jul 19, 2017 at 4:25 PM, Osborne, John David (Campus) <
ozborn@uab.edu> wrote:

> Thanks Burn, looks like it is deployed but not healthy due to a refused
> RMI connection. The web services page is refreshed, in addition to
> displaying no services it does not display values for some other fields
> (Updated, Utilization) that are displayed on other web server pages.
>
> Any info appreciated, I'm not seeing anything more in sm.log than I am
> seeing here from the ducc_services --query I ran. Both of the lines end at
> the number 38 for the MetaPid.
>
>  -John
>
>
> [X]
>
>
> Service: UIMA-AS:MRN_Document_Pull_Queue:tcp://localhost:61617
>    Service Class     : Registered as ID 33 Owner[ducc] instances[1]
> linger[300000]
>    Implementors      : 31.0
>    References        : None
>    Dependencies      : none
>    Service State     : Available
>    Ping Active       : true
>    Start Mode        : manual, Enabled
>    Last Use          : N/A
>    Last Ping         : Wed Jul 19 15:02:54 CDT 2017
>    Last Runnable     : Wed Jul 19 15:03:18 CDT 2017
>    Registration Date : Tue Jul 18 14:55:18 CDT 2017
>    Service Statistics:
>        Alive[true] Healthy[false] + Info: JMX Failure[Failed to retrieve
> RMIServer stub: javax.naming.ServiceUnavailableException [Root exception
> is java.rmi.ConnectException: Connection refused to host: localhost; nested
> exception is:
>         java.net.ConnectException: Connection refused (Connection
> refused)]]] MetaNode[10.23.142.165] MetaPid[1988:38
>
>
> ________________________________
> From: Burn Lewis <burnlewis@gmail.com>
> Sent: Wednesday, July 19, 2017 2:50:18 PM
> To: user@uima.apache.org
> Subject: Re: DUCC Web Server Service Visibility and Default Reservations
>
> Did you refresh the Services page?  Ensure that the Users field is empty
> (except for the hint)?  Also try $DUCC_HOME/bin/ducc_services --query
>
> Reservations made by the "System" user are for internal use.
>
> ~Burn
>
> On Wed, Jul 19, 2017 at 3:21 PM, Lou DeGenaro <lou.degenaro@gmail.com>
> wrote:
>
> > It should always be the case that if you successfully "ducc_services
> > --register..." a service it should appear on the ducc-mon Services page.
> > When you click on the Id for a Service you should see zero of more
> > deployments, each Running instance corresponding to an O/S process.
> >
> > If you ever want to run DUCC Jobs you need to have the JobDriver
> > Reservation.
> >
> > Lou.
> >
> > On Wed, Jul 19, 2017 at 11:53 AM, Osborne, John David (Campus) <
> > ozborn@uab.edu> wrote:
> >
> > > I have (according the log files in $HOME/ducc/logs) started as
> registered
> > > service successfully via ducc_services. I can see the process running
> via
> > > the ps command, but it does not appear in the webserver under the
> > services
> > > section. Is this because I am running ducc anonymously using
> > > active-ducc-unsecure.xml? I did not implement a pinger for this
> service,
> > > but I assume that since it is an AS service a default pinger will be
> > > provided for me. I'm guessing only services with pingers appear in the
> > > service page on the ducc webserver...?
> > >
> > > I also noticed a reservation in DUCC, dating back to when I first
> > > installed DUCC with an ID of 0. It is of class JobDriver, from the
> system
> > > user, is in the state Assigned with 0 user processes and does not have
> > the
> > > option for termination. Is this some reservation I created errorenously
> > or
> > > is this standard on all ducc systems? I would like to cancel it if I
> > don't
> > > need it, it taking up 2 GBS of memory.
> > >
> > > Thanks for any help,
> > >
> > > -John
> > >
> >
>

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