I have a problem when Im tried to create Json from REST Endpoint. Map with result is correct and I can log it (screen 1, log before Json build), but REST return a error:
{"message":null,"stack-trace":"java.lang.StackOverflowError\n\tat org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.findClass(BundleWiringImpl.java:2121)\n\tat
org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1607)\n\tat org.apache.felix.framework.BundleWiringImpl.access$200(BundleWiringImpl.java:80)\n\tat
org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:2053)\n","status-code":"INTERNAL_SERVER_ERROR"} 
