Hi Andy, I remember reading about a replacement of jetty as the default servlet container for fuseki. Is that still the case going forward?
Marco On Thu, Dec 28, 2023 at 10:41 AM Andy Seaborne <a...@apache.org> wrote: > Jena5 is the next planned release for Apache Jena. > > ** All issues for Jena5: > > https://github.com/apache/jena/issues?q=is%3Aissue+label%3AJena5 > > ** Java Requirement > > Java 17 or later is required. > Artifacts are Java17 bytecode. > Java 17 language constructs now are used in the codebase. > > ** Term graphs > > Graphs are now term graphs in the API or SPARQL. That is, they do not > match "same value" for some of the java mapped datatypes. The model API > already normalizes values written. > > The default in-memory graphs become term graphs. > > TDB1, TDB2 keep their value canonicalization during data loading. > > A legacy value-graph implementation can be obtained from GraphMemFactory. > > ** Language tags > > Language tags become are case-insensitive unique. > > "abc"@EN and "abc"@en are the same RDF term. > > Internally, language tags are formatted using the algorithm of RFC 5646. > > Examples "@en", "@en-GB", "@en-Latn-GB". > > SPARQL LANG(?literal) will return a formatted language tag. > > Data stored in TDB using language tags must be reloaded. > > ** RRX - New RDF/XML parser > > RRX is the default RDF/XML parser. It is a replacement for ARP. > RIOT uses RRX. > > * daml:collection is not supported. > * Strict rdf:parseType > * Relative namespaces supported. > > The ARP parser is still temporarily available for transition assistance. > > ** Remove support for JSON-LD 1.0 > > JSON-LD 1.1, using Titanium-JSON-LD, is the supported version of JSON-LD. > > https://github.com/filip26/titanium-json-ld > > ** Turtle/Trig Output > > "PREFIX" and "BASE" are output by default for Turtle and TriG output. > > > ==== API Users > > ** Deprecation removal > > There has been a general clearing out of deprecated functions, methods > and classes. This includes deprecations in Jena 4.10.0 added to show > code that is being removed in Jena5. > > ** QueryExecutionFactory > > QueryExecutionFactory is simplified to cover commons cases only; it > becomes a way to call the general QueryExecution builders are full query > execution setup. > > Local execution builder: > QueryExecution.create()... > > Remote execution builder: > QueryExecution.service(URL)... > > ** QueryExecution variable substitution > > Using "substitution", where the query is modified by replacing one or > more variables by RDF terms, is now preferred to using "initial > bindings", where query solutions include (var,value) pairs. > > "substitution" is available for all queries, local and remote, not just > local executions. > > > ==== Fuseki Users > > Fuseki: Uses the jakarta namespace for servlets and Fuseki has been > upgraded to use Eclipse Jetty12. > > Apache Tomcat10 or later, is required for running the WAR file. > Tomcat 9 or earlier will not work. > -- --- Marco Neumann
