[GitHub] ycoe commented on issue #116: java.lang.NoClassDefFoundError: com/alibaba/dubbo/qos/server/DubboLogo

[GitBox]

ycoe commented on issue #116: java.lang.NoClassDefFoundError: 
com/alibaba/dubbo/qos/server/DubboLogo
URL: 
https://github.com/apache/incubator-dubbo-spring-boot-project/issues/116#issuecomment-382939084
 
 
   com.alibaba.dubbo.qos.server.DubboLogo 这个类的maven坐标是什么？
   
   ```xml
           <dependency>
               <groupId>org.springframework.boot</groupId>
               <artifactId>spring-boot</artifactId>
               <version>1.5.6.RELEASE</version>
           </dependency>
           <dependency>
               <groupId>com.alibaba</groupId>
               <artifactId>dubbo</artifactId>
               <version>2.8.4</version>
           </dependency>
           <dependency>
               <groupId>com.alibaba.spring.boot</groupId>
               <artifactId>dubbo-spring-boot-starter</artifactId>
               <version>2.0.0</version>
           </dependency>
   ```
   
   或者用新的项目都是报一样的错：
   ```xml
           <dependency>
               <groupId>com.alibaba.boot</groupId>
               <artifactId>dubbo-spring-boot-starter</artifactId>
               <version>0.1.0</version>
           </dependency>
   ```
   
   报错信息：
   ```
   2018-04-20 09:45:13.659 [main] ERROR o.s.boot.SpringApplication -  
Application startup failed
   java.lang.NoClassDefFoundError: com/alibaba/dubbo/qos/server/DubboLogo
        at 
com.alibaba.dubbo.spring.boot.context.event.DubboBannerApplicationListener.buildBannerText(DubboBannerApplicationListener.java:49)
        at 
com.alibaba.dubbo.spring.boot.context.event.DubboBannerApplicationListener.onApplicationEvent(DubboBannerApplicationListener.java:39)
        at 
com.alibaba.dubbo.spring.boot.context.event.DubboBannerApplicationListener.onApplicationEvent(DubboBannerApplicationListener.java:23)
        at 
org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:167)
        at 
org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
        at 
org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:122)
        at 
org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:74)
        at 
org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:54)
        at 
org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:325)
        at 
org.springframework.boot.SpringApplication.run(SpringApplication.java:296)
        at com.duoec.cp.m.Application.main(Application.java:21)
   Caused by: java.lang.ClassNotFoundException: 
com.alibaba.dubbo.qos.server.DubboLogo
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 11 common frames omitted
   ```
   
   
   用旧的版本是正常的：
   ```xml
           <dependency>
               <groupId>com.alibaba.spring.boot</groupId>
               <artifactId>dubbo-spring-boot-starter</artifactId>
               <version>1.0.0</version>
           </dependency>
   ```
   
   因为旧的版本有些问题，打算升下版本看看有没有解决这些问题：
   1. 无法禁止启动前检查
   2. 在父类里，使用注解不会注入
   ...
   

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