Kotlin数据类杰克逊@JsonProperty没有兑现

我使用Kotlin数据类将Feign连接到POST。

我打电话的API期望{…“brandInfo”：{“TPID”：1} …}

我的理解是，如果jackson-module-kotlin的依赖没有被正确拾取，Feign将根本无法开启POST，因为Jackson编码将会彻底失败。

然而，Feign能够发布，杰克逊能够编码，但不管我做什么，发布的是{…“brandInfo”：{“tpid”：1} …}，尽管brandInfo val被注释@JsonProperty（“TPID”）。

我错过了什么？

@JsonIgnoreProperties(ignoreUnknown = true) data class KBrandInfo ( @JsonProperty("TPID") //not honored val TPID: Long ) interface KConversationServiceClient { @RequestLine("POST v2/conversations") @Headers("Content-Type: application/json") fun createConversation(createConversation: KCreateConversation): String } @Provides public KConversationServiceClient getKConversationServiceClient( @Named("conversationServiceUrl") String baseUri, Feign.Builder builder) { return builder .logLevel(Logger.Level.FULL) .decoder(new StringDecoder()) .encoder(new JacksonEncoder(jacksonObjectMapper())) //does this need some extra configuration in order to pick up @JsonProperty annotations? .requestInterceptor(requestTemplate -> requestTemplate .header("requestId", UUID.randomUUID().toString()) .target(KConversationServiceClient.class, baseUri); } <properties> ... <feign.version>9.3.1</feign.version> <kotlin.version>1.1.51</kotlin.version> ... </properties> <dependency> <groupId>io.github.openfeign</groupId> <artifactId>feign-core</artifactId> <version>${feign.version}</version> </dependency> <dependency> <groupId>io.github.openfeign</groupId> <artifactId>feign-hystrix</artifactId> <version>${feign.version}</version> </dependency> <dependency> <groupId>io.github.openfeign</groupId> <artifactId>feign-slf4j</artifactId> <version>${feign.version}</version> </dependency> <dependency> <groupId>io.github.openfeign</groupId> <artifactId>feign-jackson</artifactId> <version>${feign.version}</version> </dependency> <dependency> <groupId>io.github.openfeign</groupId> <artifactId>feign-gson</artifactId> <version>${feign.version}</version> </dependency> <dependency> <groupId>org.jetbrains.kotlin</groupId> <artifactId>kotlin-stdlib-jre8</artifactId> <version>${kotlin.version}</version> </dependency> <dependency> <groupId>org.jetbrains.kotlin</groupId> <artifactId>kotlin-test-junit</artifactId> <version>${kotlin.version}</version> <scope>test</scope> </dependency> <dependency> <groupId>org.jetbrains.kotlin</groupId> <artifactId>kotlin-reflect</artifactId> <version>${kotlin.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.module</groupId> <artifactId>jackson-module-kotlin</artifactId> <version>2.7.9</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>${fasterxml.jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-annotations</artifactId> <version>${fasterxml.jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>${fasterxml.jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.datatype</groupId> <artifactId>jackson-datatype-joda</artifactId> <version>${fasterxml.jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.dataformat</groupId> <artifactId>jackson-dataformat-yaml</artifactId> <version>${fasterxml.jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.module</groupId> <artifactId>jackson-module-parameter-names</artifactId> <version>${fasterxml.jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.datatype</groupId> <artifactId>jackson-datatype-jdk8</artifactId> <version>${fasterxml.jackson.version}</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.datatype</groupId> <artifactId>jackson-datatype-jsr310</artifactId> <version>${fasterxml.jackson.version}</version> </dependency> </dependencies> <build> <plugins> <!--Kotlin + Java + Maven implies some funky temporal dependencies and handling of annotation processing when building--> <!--* https://kotlinlang.org/docs/reference/using-maven.html--> <!--* https://kotlinlang.org/docs/reference/kapt.html--> <!--* https://github.com/JetBrains/kotlin-examples/blob/master/maven/dagger-maven-example/pom.xml--> <plugin> <groupId>org.jetbrains.kotlin</groupId> <artifactId>kotlin-maven-plugin</artifactId> <version>${kotlin.version}</version> <executions> <execution> <id>compile</id> <phase>compile</phase> <goals> <goal>compile</goal> </goals> <configuration> <sourceDirs> <source>src/main/kotlin</source> <source>src/main/java</source> <source>target/generated-sources/annotations</source> </sourceDirs> </configuration> </execution> <execution> <id>test-compile</id> <phase>test-compile</phase> <goals> <goal>test-compile</goal> </goals> </execution> </executions> </plugin> <plugin> ...