this is a java issue somewhat I believe. If you debug your program, your Double will always be displayed scientifically, so what we’ll want is to force it into a String. This can be achieved in Java in multiple ways, and you can look it up here: How to print double value without scientific notation … Read more
As already mentioned, Jackson-Datatype-JSR310 provides support for Java 8 Time. Since Jackson 2.6.0 the “old” JSR310Module is deprecated. It is replaced by JavaTimeModule. Maven dependency is the same (you can find the current version in Maven Central): <dependency> <groupId>com.fasterxml.jackson.datatype</groupId> <artifactId>jackson-datatype-jsr310</artifactId> <version>2.6.0</version> </dependency> You have to register the module like this: ObjectMapper mapper = new ObjectMapper(); … Read more