Re: [Virtuoso-users] virtuoso.db file can not start the server

2015-11-03 Thread Hugh Williams
Hi Gang, Is the same Linux and Virtuoso version being used in both cases ? I note you are using a 07.20.3212 build from Mar 26 2015 , whereas there have been a number of fixes for crashes in “extent.c” , thus I would suggest performing a build from the latest git develop/7 branch [1] to see if

Re: [Virtuoso-users] Problem with MAX function in SPARQL

2015-11-03 Thread Hugh Williams
Hi Francesco, Are you able to provide a sample dataset and steps to recreate this issue we can setup locally ? Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ Weblog -- http://www.openlinksw.com/blogs/ LinkedIn -- http:/

[Virtuoso-users] virtuoso.db file can not start the server

2015-11-03 Thread Gang Fu
Hi, We have copied the virtuoso.db file from one server to another one, and start the server using just the db file, but we got the following error message in virtuoso.log file, can anyone help? Thank you very much! Best, Gang - 16:00:50 OpenLink Virtuoso Universal Ser

[Virtuoso-users] Problem with MAX function in SPARQL

2015-11-03 Thread Francesco Balzu
Hi all! I have the following problem with the MAX aggregate function in SPARQL. If I run the query PREFIX foaf: PREFIX km4c: PREFIX rdf: SELECT ?ride (max(?avmr) AS ?avmrLast) FROM