在调用工具类时,若工具类中含有@Autowired注解,这此工具类对象必须同样使用@Autowired注解,否则工具类中的Spring注入的对象都为空值,这里的HadoopTest就是这样 比如MyConfig类是 配置层 @Component @ConfigurationProperties(prefix = "project") public class MyConfig { private String version; private String name; public S
现象 org.springframework.beans.factory.BeanNotOfRequiredTypeException: Bean named 'xxxxImpl' is expected to be of type 'com.xxx.xxxImpl' but was actually of type 'com.sun.proxy.$Proxy62' 直接Autowired一个实现类,而不是接口 @Autowired private XxxServiceImpl xxxServi
错误报告: org.springframework.amqp.rabbit.listener.BlockingQueueConsumer$DeclarationException: Failed to declare queue(s):[chatMessage] at org.springframework.amqp.rabbit.listener.BlockingQueueConsumer.attemptPassiveDeclarations(BlockingQueueConsumer.jav
Docker-compose是一个基于Docker的编排工具,所谓编排个人理解就是将不同的镜像通过配置,组成一个新的运行环境,官方定义是:Compose is a tool for defining and running multi-container Docker applications. 很简单的一句话,下面我们看下怎么部署一个JavaWeb项目.主要有几大步骤: 安装Dcoker 和Docker-compose 编译项目生成JAR包 创建自定义的docker镜像 创建docker-co