Elastic4S-Jackson'；s类ScalaObject映射器是'；t发现并抛出一个NoSuchMethodError

我在Scala项目中使用Elastic4S时遇到问题。将引发以下错误：

java.lang.NoSuchMethodError： com.fasterxml.jackson.module.scala.experimental.ScalaObjectMapper.$init$（Lcom/fasterxml/jackson/module/scala/experimental/ScalaObjectMapper；）V

其次是：

java.lang.NoClassDefFoundError:无法初始化类 com.sksamuel.elastic4s.json.JacksonSupport$

以下是使用的依赖项：

  "com.sksamuel.elastic4s"       %% "elastic4s-core"              % "6.7.3",
  "com.sksamuel.elastic4s"       %% "elastic4s-http"              % "6.7.3",
  "com.github.swagger-akka-http" %% "swagger-akka-http"           % "2.0.4",
  "com.github.swagger-akka-http" %% "swagger-scala-module"        % "2.0.5",
  ...
  ),
  assemblyMergeStrategy in assembly := { _ => MergeStrategy.first }

从Elastic4s发出的唯一一位代码是这样的：

  def testClusterUp(log: LoggingAdapter): Unit = {
    val response: Response[NodeInfoResponse] = client.execute(
      nodeInfo()
    ).await

    if (response.isError) {
      log.error(s"[ERROR]-[ELASTICSEARCH] $response")
      throw new ExceptionInInitializerError(s"an error occurred during Elastic connector initialization : ${response.error}")
    } else if (response.isSuccess) {
      log.info("Cluster started successfully !")
    }
  }

---

如果您有任何帮助，我们将不胜感激。

似乎还有一些其他的依赖项正在覆盖此依赖项。例如，

swagger-akka http

使用了另一个版本的jackson scala模块，如果不在

build.sbt

中进行一些调整，就不能将其包括在内。以下是在这种情况下的配置：

("com.github.swagger-akka-http" %% "swagger-akka-http"    % "2.0.4") excludeAll(ExclusionRule(organization = "com.fasterxml.jackson.module")),
("com.github.swagger-akka-http" %% "swagger-scala-module" % "2.0.5") excludeAll(ExclusionRule(organization = "com.fasterxml.jackson.module")),

有关sbt依赖项的排除规则，请参见此处：