Found: [] at org.springframework.cloud.netflix.feign.support.SpringMvcContract.checkOne$BaseContract.parseAndValidatateMetadata(Contract.java:61) ~[feign-core-8.15.1.jar:8.15.1]
at
thread "main" java.lang.IllegalStateException: QueryMap parameter must be a Map: class OrderBookQueryat feign.Contract$BaseContract.parseAndValidateMetadata(Contract.java:126)
at feign.Contract$BaseContract.parseAndValidat