记一次springBoot+dubbo+hessian搭建服务间文件传输的坑

小咪咪 2023-10-11 12:32 9阅读 0赞

公司的dubbo provider服务是搭建在Tomcat之上的（不是以dubbo的Main.main()运行），项目以web项目方式启动，引入了hessian之后远程调用hessian接口提示FileNotfound。。。，这个错查了下都说是路径有问题.

这个问题纠结了两天才得以解决，最后问题是org.apache.dubbo.remoting.http.servlet.DispatcherServlet，这个Servlet没有进行注册，springboot web形式的项目需要手动用配置类注册

这个配置类只配置了hessian，dubbo协议配置在了properties中

import org.apache.dubbo.config.ProtocolConfig;
    import org.apache.dubbo.remoting.http.servlet.DispatcherServlet;
    import org.springframework.boot.web.servlet.ServletRegistrationBean;
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    
    @Configuration
    public class DubboConfig {
    
    	@Bean(name = "hessian")
    	public ProtocolConfig protocolConfig() {
    		ProtocolConfig protocolConfig = new ProtocolConfig();
    		protocolConfig.setId("hessian");
    		protocolConfig.setName("hessian");
    		protocolConfig.setPort(8081);
    		protocolConfig.setServer("servlet");
    		protocolConfig.setContextpath("mysql-demo-provider");
    		return protocolConfig;
    	}
    	
    	@Bean
    	public ServletRegistrationBean<DispatcherServlet> servletRegistrationBean() {
    		return new ServletRegistrationBean<DispatcherServlet>(new DispatcherServlet(), "/*");
    	}
    
    }

其他的一些配置和代码

<dependency>
    		    <groupId>com.caucho</groupId>
    		    <artifactId>hessian</artifactId>
    		</dependency>

如果多个协议都使用，指定hessian，协议服务提供者指定协议

@Service(interfaceClass = DemoHessianService.class, protocol = "hessian", version = "1.0.0", timeout = 120000)
    public class DemoHessianProvider implements DemoHessianService {
    
    	@Override
    	public String testSaveFile(String fileName,InputStream nis) {

普通接口指定dubbo协议

@Service(interfaceClass = DemoService.class, protocol = "dubbo", version = "1.0.0", timeout = 120000)
    public class DemoProvider implements DemoService {

消费者只要引入和提供者一样的hessian的依赖即可，其他无需配置。

gitee测试项目：[https://gitee.com/fxqy/boot-dubbo-demo][https_gitee.com_fxqy_boot-dubbo-demo]

[https_gitee.com_fxqy_boot-dubbo-demo]: https://gitee.com/fxqy/boot-dubbo-demo