Hi, Based on the latest decision, I have applied the patch provided by Meric. The registered graph is also unregistered in the deactivation of SolrStoreImpl.
Best, Suat On Mon, Sep 10, 2012 at 11:34 AM, Rupert Westenthaler < rupert.westentha...@gmail.com> wrote: > Hi, > > this is a summary of a discussion I had with Suat on the #stanbol IRC > channel: > > Components need to register/unregister TripleCollections themselves. > > In that specific case line 150 - 157 of SolrStoreImpl should be moved > to the activate(..) Method. The SerivceRegistration returned by > BundleContext.registerService(..) needs to be kept as filed and be > used in the deactivate(..) method to unregister the TripleCollection. > > This should solve the reported issue. > > best > Rupert > > On Sat, Sep 8, 2012 at 6:32 PM, Suat Gönül <suatgo...@gmail.com> wrote: > > Hi, > > > > Meric, thanks for the patch. However, I think we need a more general > > solution since the patch seems specific to Contenthub. I mean we should > be > > able to track all registered TripleCollections to be used by SPARQL > > endpoint. > > > > @All: As far as I understand single objects registered as services to the > > OSGi are not reachable after a restart. As a solution, I think we can > > create a "sparql" module within the commons and implement a > > SPARQLTripleCollectionRegistry to track the triple collections to be used > > by SPARQL endpoint and move the existing code from the commons.web.sparql > > into this new module. If there is no other ideas, I will implement this > in > > the following days. > > > > Best, > > Suat > > > > > > On Sat, Sep 8, 2012 at 10:06 AM, Meriç Taze <merict...@gmail.com> wrote: > > > >> Hi, > >> > >> I think I have no permission to send file to stanbol-dev since it seems > >> attached on my sended mail. > >> > >> You can use this: > >> > >> https://docs.google.com/open?id=0B1vdVgPRtYw0RU5udGluZzZMRk0< > >> https://www.dropbox.com/s/mbp4cjvjbudouiv/solr-store-impl.patch> > >> > >> Sorry for the inconvenience. > >> > >> Best, > >> Meric. > >> > >> 2012/9/7 Maciek Sykulski <macie...@gmail.com> > >> > >> > Hi Meric, > >> > > >> > I could test how it works, but I don't see any file attached. > >> > > >> > Maciek > >> > > >> > On Fri, Sep 7, 2012 at 4:57 PM, Meriç Taze <merict...@gmail.com> > wrote: > >> > > > >> > > I prepared a patch file, but I can not tested it well, if you want, > you > >> > > can use > >> > > attached patch file by using below commands; > >> > > > >> > > >> > > > cd STANBOL_FOLDER/trunk/contenthub/store/solr > >> > > > patch -p0 -i PATH_TO_THE_PATCH_FILE > >> > > > >> > > this command must patch the SolrStoreImpl.java with output: > >> > > "patching file > >> > > > >> > > >> > src/main/java/org/apache/stanbol/contenthub/store/solr/SolrStoreImpl.java" > >> > > > >> > > > mvn clean install -P installBundle -Dsling.url= > >> > > http://localhost:8080/system/console > >> > > > >> > > or wait for more stable version, probably ready in next week. You > can > >> > > follow this issue from > >> https://issues.apache.org/jira/browse/STANBOL-731 > >> > > > >> > > Regards, > >> > > Meric. > >> > > > >> > > 2012/9/7 Maciek Sykulski <macie...@gmail.com> > >> > > > >> > >> Hi Meric, > >> > >> > >> > >> > After creating your first contentitem, graph is created by > TcManager > >> > >> and it > >> > >> > appears in > >> > >> > /sparql endpoint. > >> > >> > >> > >> > However, due to a bug in SolrStoreImpl, when you restart your > >> > >> > launcher or rebuild it with this command ... > >> > >> > >> > >> > >> > >> I indeed remember to have seen registered triple collection under > >> > /sparql > >> > >> soon after first run, but then it disappeared. > >> > >> > >> > >> > graph will still exist but it is not registered in the OSGi > >> > environment > >> > >> > anymore. > >> > >> > Therefore, sparql endpoint can not reach the enhancement graph. > I'll > >> > >> create > >> > >> > an issue and a patch file for this bug. > >> > >> > >> > >> > >> > >> Is there any way I can register this graph manually using Felix Web > >> > >> Console > >> > >> /system/console ? > >> > >> > >> > >> Best, > >> > >> Maciek > >> > >> > >> > >> > >> > >> > >> > >> On Thu, Sep 6, 2012 at 12:36 PM, Meriç Taze <merict...@gmail.com> > >> > wrote: > >> > >> > >> > >> > Hi, > >> > >> > > >> > >> > 2012/9/5 Maciek Sykulski <macie...@gmail.com> > >> > >> > > >> > >> > > > >> > >> > > *1. SPARQL endpoint > >> > >> > > * "There is no registered TripleCollection." This message > shows > >> > under > >> > >> > > sparql/ endpoint. There are content items residing inside > >> > contenthub. > >> > >> > > I cannot ask any sparql query for content items (because of > this > >> > >> > message?). > >> > >> > > How to fix that, to be able to ask SPARQL queries on > ehnancements? > >> > >> > > > >> > >> > > In our configuration component > >> > >> > > > org.apache.stanbol.contenthub.ldpath.solr.SemanticIndexManagerImpl > >> > is > >> > >> > > active. What is lacking in the below configuration? > >> > >> > > > >> > >> > > >> > >> > In first run after building stanbol, there is no enhancement > graph. > >> > >> After > >> > >> > creating > >> > >> > your first contentitem, graph is created by TcManager and it > appears > >> > in > >> > >> > /sparql > >> > >> > endpoint. However, due to a bug in SolrStoreImpl, when you > restart > >> > your > >> > >> > launcher or rebuild it with this command: > >> > >> > > >> > >> > mvn -o install -DskipTests -P installBundle > >> > >> > -Dsling.url=http://localhost:8080/system/console > >> > >> > > >> > >> > graph will still exist but it is not registered in the OSGi > >> > environment > >> > >> > anymore. > >> > >> > Therefore, sparql endpoint can not reach the enhancement graph. > I'll > >> > >> create > >> > >> > an issue and a patch file for this bug. > >> > >> > > >> > >> > > >> > >> > > >> > >> > > *2.* How / where to configure a triple store to be accessible > >> > through > >> > >> > > Stanbol api, SPARQL endpoint? > >> > >> > > > >> > >> > > > >> > >> > > >> > >> > >> > >> > >> > >> > >> > >> > I think this is the answer of your question: > >> > >> > > >> > >> > > >> > >> > > >> > >> > >> > > >> > http://mail-archives.apache.org/mod_mbox/incubator-stanbol-dev/201206.mbox/%3ccaa7lao0wqetbwt1gwegqe_hwpd3lfhjmiy4lmq8xdw0gmkd...@mail.gmail.com%3E > >> > >> > > >> > >> > >> > >> Thanks, this is helpful indeed. > >> > >> > >> > >> > >> > >> > >> > >> > Best, > >> > >> > Meric. > >> > >> > > >> > >> > >> > > > >> > > > >> > > >> > > > > -- > | Rupert Westenthaler rupert.westentha...@gmail.com > | Bodenlehenstraße 11 ++43-699-11108907 > | A-5500 Bischofshofen >
