Re: [Virtuoso-users] infrequent errors on parallel querying

The critical error is now that after some query evaluations I get a lot of "Virtuoso 40001 Error SR172: Transaction deadlocked" errors. For me this is really strange because I've set the DefaultIsolation = 2 and only SELECT queries are executed. Please notice that I've slightly changed some para

Re: [Virtuoso-users] infrequent errors on parallel querying

Hi Hugh, in the meantime I solved some of the errors. Assuming the following query is evaluated at endpoint running at port 8893: SELECT ?x ?a ?b ?P0src ?P1src WHERE { { SERVICE { ?x ?a . FILTER ( ?x >=