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Posted to users@jena.apache.org by Arto My Friend <na...@gmail.com> on 2013/12/09 17:13:45 UTC

Re: SPAM-HIGH: Re: Fuseki don't show new data update from TDB API

Hi Rob,

Sorry for not being clear here, no offense. Since the actual problem I have
with Fuseki not showing the update data seems to be from TDB, may be a note
saying that when Fuseki is operate no other process shall touch the DB
would be helpful here.

regards,

Art



On Mon, Dec 9, 2013 at 11:52 PM, Rob Vesse <rv...@dotnetrdf.org> wrote:

> The documentation for Fuseki is at
> http://jena.apache.org/documentation/serving_data/index.html
>
> Stating "the document on the web is fairly inadequate" is not particularly
> helpful as we can't improve it without further details.  Specifically
> which pages of the documentation (provide links) did you find inadequate
> and what information that you needed was missing?
>
> Rob
>
> On 09/12/2013 13:33, "Arto My Friend" <na...@gmail.com> wrote:
>
> >Hi Rob,
> >
> >Thank you for your advice.Yes I am accessing RDB directly with separated
> >JVM using TDB API. Don't know it's a bad thing to do. Do you know where I
> >can find a technical specification or more in-depth detail of how Fuseki
> >work?
> >
> >Seems the document on the web is fairly inadequate. Or do I have to read
> >the Javadoc or look into source code?
> >
> >best,
> >
> >Art
> >
> >
> >
> >On Mon, Dec 9, 2013 at 9:11 PM, Rob Vesse <rv...@dotnetrdf.org> wrote:
> >
> >> Are you saying that you update the data in the underlying TDB dataset
> >> directly? I.e. not via Fuseki
> >>
> >> If so please don't do this, this is highly likely to lead to database
> >> corruption since TDB is designed such that only one JVM manages the
> >> dataset at any one time.
> >>
> >> Rob
> >>
> >> On 09/12/2013 11:24, "Arto My Friend" <na...@gmail.com> wrote:
> >>
> >> > Hi there Jena and Fuseki folks,
> >> >
> >> >I have problem about Fuseki not reloading updated data from update via
> >>TDB
> >> >api.
> >> >
> >> >My jena-fuseki version is 1.0.0
> >> >
> >> >./fuseki-server --update --loc=MY_DB_FOLDER /xxx
> >> >
> >> >I use TDB API version 1.0.0
> >> >and apapche-jena-libs 2.11.0 + all dependency hooked via maven
> >> >
> >> >The update sometimes show when refresh URL at
> >> >
> >> >
> >>
> >>
> http://localhost:3030/xxx/query?query=SELECT+*+%7B+%3Fs+%3Fp+%3Fo+%7D&out
> >>p
> >> >ut=text&stylesheet=
> >> >
> >> >Sometimes, the update will appear as corrupted table while most of the
> >> >time
> >> >there will be no change at all.
> >> >
> >> >Only after restart fuseki server then the update will be shown
> >>correctly.
> >> >
> >> >Is this normal behavior? Or does the real-time update only possible by
> >> >SPARQL Update query through it's REST api?
> >> >
> >> >Note:
> >> >There is no message in terminal saying that fuseki is running in update
> >> >enabled mode when starting the server, when though I already pass in
> >>the
> >> >option via command line.
> >> >
> >> >20:15:03 INFO  Server               :: TDB dataset:
> >> >directory=MY_DB_FOLDER/
> >> >
> >> >20:15:04 INFO  Config               :: Home Directory:
> >> >/Users/Noname/dev/jena-fuseki-1.0.0
> >> >
> >> >20:15:04 INFO  Server               :: Dataset path = /xxx
> >> >
> >> >20:15:04 INFO  Server               :: Fuseki 1.0.0
> >> >2013-09-12T10:49:49+0100
> >> >
> >> >20:15:04 INFO  Server               :: Started 2013/12/09 20:15:04 JST
> >>on
> >> >port 3030
> >>
> >>
> >>
> >>
> >>
>
>
>
>
>