RDF4J 2.3.3

This is a hotfix release, containing only one workaround for a specific OpenJDK 8 ScheduledThreadPoolExecutor bug

Setting the property -Dorg.eclipse.rdf4j.client.executors.jdkbug will use 1 core thread (instead of 0) for clients, to avoid a 100% CPU load even when doing nothing.

See also:

• #1271