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如何解决该错误:java.lang.BootstrapMethodError:java.lang.NoClassDefFoundError:io / vertx / core / Promise

[英]How to resolve the error: java.lang.BootstrapMethodError: java.lang.NoClassDefFoundError: io/vertx/core/Promise

i have created a maven project where i wrote code for kafka consumer to retrieve the messages from kafka server. 我创建了一个Maven项目,在该项目中,我为kafka使用者编写了代码,以从kafka服务器检索消息。 i am using vertx framework with vertx-kafka-client dependency. 我正在使用具有vertx-kafka-client依赖关系的vertx框架。 According to vertx kafka docs ( https://vertx.io/docs/vertx-kafka-client/java/#_using_the_vert_x_kafka_client ), i have setup the code and while running the program i am getting error as java.lang.BootstrapMethodError: java.lang.NoClassDefFoundError: io/vertx/core/Promise 根据vertx kafka docs( https://vertx.io/docs/vertx-kafka-client/java/#_using_the_vert_x_kafka_client ),我已经设置了代码,并且在运行程序时遇到java.lang.BootstrapMethodError错误:java .lang.NoClassDefFoundError:io / vertx / core / Promise

The solution to this error is 解决此错误的方法是

  • Right-click on your project 右键点击您的项目
  • Go to Maven -> Update Project 转到Maven- > 更新项目
  • After update, Run the program 更新后,运行程序

when we import projects to IDE, sometimes we forget to update the project and directly running it will cause the error. 当我们将项目导入IDE时,有时我们忘记更新项目,而直接运行它会导致错误。

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