Jörg Adler

https://github.com/Mercateo/rest-schemagen/blob/8795d51f120451ca9ac00c3f607b184073a87bda/src/main/java/com/mercateo/common/rest/schemagen/link/LinkCreator.java#L220

We were facing the following NPE: `java.lang.NullPointerException: value at java.util.Objects.requireNonNull(Objects.java:228) at com.mercateo.spring.security.jwt.token.claim.JWTClaim$Builder.value(JWTClaim.java:440) at com.mercateo.spring.security.jwt.token.extractor.HierarchicalClaimsExtractor.lambda$extractClaims$1(HierarchicalClaimsExtractor.java:86) at com.mercateo.spring.security.jwt.relocated.io.vavr.collection.Stream.map(Stream.java:1221) at com.mercateo.spring.security.jwt.relocated.io.vavr.collection.Stream.lambda$map$9(Stream.java:1221) at com.mercateo.spring.security.jwt.relocated.io.vavr.Lazy.computeValue(Lazy.java:161) at com.mercateo.spring.security.jwt.relocated.io.vavr.Lazy.get(Lazy.java:155) at com.mercateo.spring.security.jwt.relocated.io.vavr.collection.StreamModule$ConsImpl.tail(Stream.java:1924) at com.mercateo.spring.security.jwt.relocated.io.vavr.collection.StreamModule$StreamIterator.hasNext(Stream.java:2132) at com.mercateo.spring.security.jwt.relocated.io.vavr.collection.List.ofAll(List.java:269) at com.mercateo.spring.security.jwt.relocated.io.vavr.ValueModule.toTraversable(Value.java:1528)...