rdf4j

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If a SPARQL Constraint or a SPARQL Target is missing variables then it can cause an NPE during validation. It should instead cause a validation error so that the user...

hmottestad


hmottestad

SPARQLRepository should use Java 9 Cleaner to shutDown() dependentClient

5

### Current Behavior When running a lot of queries the thread count seems to be increasing. Either I am forgetting to close something or something is happening in the backend?...

jjkoehorst

Improve performance of MemStatementList.

hmottestad

We typically use volatile for variables that can be updated and read by multiple threads. Unless we need total order for read/write to multiple variables then it is may be...

hmottestad

The `dataset` field may be null causing the `equals(...)` method to throw a `NullPointerException`.

hmottestad

SHACL: More descriptive message when a shape is both a sh:NodeShape and a sh:PropertyShape

5

### Discussed in https://github.com/eclipse/rdf4j/discussions/4287 Originally posted by **volkerjaenisch** November 19, 2022 Dear RDF4J Users! Currently we am implementing SHACL for an OpenData portal (http://datenadler.de). We are Python programmers so we...

barthanssens

Performance regression for queries using OPTIONAL and VALUES in 3.7.4/4.1.0 vs 2.5.5

11

### Current Behavior In versions 3.7.4 and 4.1.0, iterating over a TupleQueryResult with large results is extremely slow when compared to older RDF4j versions (2.5.5). With newer RDF4j versions, running...

daltontc

### Current Behavior While investigating the support for LATERAL, I believe I have found an issue with how filter optimisation incorrectly handles scope changes. The following query: ```sparql PREFIX :...

frensjan

OutOfMemory error when creating enormous IllegalArgumentException

3

### Current Behavior I have got this errors when performing a query with a big response (1.5GB) ``` SEVERE [http-nio-8080-exec-11] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [rdf4j-http-server] in context with path [/rdf4j-server]...

diegoferbp