avoid jdk12 for now unti spotbugs is jdk12 ready
avoid jdk12 for now unti spotbugs is jdk12 ready

don-philipe/graphhopper,komoot/graphhopper,graphhopper/graphhopper,komoot/graphhopper,boldtrn/graphhopper,komoot/graphhopper,devemux86/graphhopper,ammagamma/graphhopper,ammagamma/graphhopper,devemux86/graphhopper,komoot/graphhopper,routexl/graphhopper,routexl/graphhopper,don-philipe/graphhopper,don-philipe/graphhopper,ammagamma/graphhopper,fbonzon/graphhopper,ammagamma/graphhopper,don-philipe/graphhopper,graphhopper/graphhopper,routexl/graphhopper,boldtrn/graphhopper,boldtrn/graphhopper,devemux86/graphhopper,graphhopper/graphhopper,graphhopper/graphhopper,fbonzon/graphhopper,fbonzon/graphhopper,routexl/graphhopper,fbonzon/graphhopper,boldtrn/graphhopper,devemux86/graphhopper