instanceof versus canAs

2023-08-25 Thread Steve Vestal
In some places I use e.g. (resource instanceof Individual) , but in others it seems I need resource.canAs(Individual.class).  If you have brief guidelines on when to use what, I would appreciate that.  A specific case is punning in an OntModel.  Is that a case where canAs(Individual.class) and

Re: TDB2 Exception in initialisation

2023-08-25 Thread Enrico . Daga
Hi Andy, Many thanks for the quick reply -- in the end, it was a misplaced ARQ.init() -- the version of this project is 3.13.1 -- I should have checked and mentioned that. We will need to upgrade it at some point. Best wishes, Enrico -- Enrico Daga, PhD

Re: Mystery memory leak in fuseki

2023-08-25 Thread Dave Reynolds
On 25/08/2023 11:44, Andy Seaborne wrote: On 03/07/2023 14:20, Dave Reynolds wrote: We have a very strange problem with recent fuseki versions when running (in docker containers) on small machines. Suspect a jetty issue but it's not clear. From the threads here, it does seem to be Jetty

Re: TDB2 Exception in initialisation

2023-08-25 Thread Andy Seaborne
On 25/08/2023 09:04, Enrico.Daga wrote: Hi, I am having a strange error while attempting to initialise a TDB2 dataset: TDB2Factory.connectDataset(tdb2location); tdb2location existing. However, I am getting the error below, which I don't understand. It seems related to some file system

Re: Transactions over http (fuseki)

2023-08-25 Thread Andy Seaborne
On 18/08/2023 07:38, Gaspar Bartalus wrote: Hi, We would like to execute queries (construct) and updates (insert/delete data) in one transaction. Very similar I think to what Andy described here: https://github.com/w3c/sparql-dev/issues/83 Something that has not quite ever managed to

Re: RSIterator deprecation

2023-08-25 Thread Andy Seaborne
On 21/08/2023 19:19, Andrii Berezovskyi wrote: Hello Andy, Thank you for the pointer to ReifierStd, it seems to do the job as expected [1]. I hope we are using the new API correctly (I would be very thankful for any feedback). ReifierStd is the code behind the Model reification - yes,

Re: Mystery memory leak in fuseki

2023-08-25 Thread Andy Seaborne
On 03/07/2023 14:20, Dave Reynolds wrote: We have a very strange problem with recent fuseki versions when running (in docker containers) on small machines. Suspect a jetty issue but it's not clear. From the threads here, it does seem to be Jetty related. I haven't managed to reproduce the

Re: Commercial Fuseki operational support

2023-08-25 Thread Martynas Jusevičius
Nicholas, Fuseki is present on the AWS marketplace, if you follow your own link :) The product is built using CDK, CloudFormation and Docker. If you’d be interested to collaborate on that, send me an email off-list. Martynas atomgraph.com On Fri, 25 Aug 2023 at 10.52, Nicholas Car wrote: >

Re: Commercial Fuseki operational support

2023-08-25 Thread Nicholas Car
Hi Jena users, Just so everyone is aware: I have had several companies contact me about various levels of commercial Fuseki support. For users' interest, these are my observations of their Fuseki offerings: - many companies use Fuseki commercially as part of holistic Knowledge Graph

TDB2 Exception in initialisation

2023-08-25 Thread Enrico . Daga
Hi, I am having a strange error while attempting to initialise a TDB2 dataset: TDB2Factory.connectDataset(tdb2location); tdb2location existing. However, I am getting the error below, which I don't understand. It seems related to some file system issue, but I can initialise and connect to TDB2