错误：23:36:21.161 [main] ERROR org.springframework.boot.SpringApplication

详细错误：

 1 23:36:21.161 [main] ERROR org.springframework.boot.SpringApplication - Application run failed
 2 java.lang.NoSuchMethodError: org.springframework.boot.builder.SpringApplicationBuilder.<init>([Ljava/lang/Object;)V
 3     at org.springframework.cloud.bootstrap.BootstrapApplicationListener.bootstrapServiceContext(BootstrapApplicationListener.java:161)
 4     at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:102)
 5     at org.springframework.cloud.bootstrap.BootstrapApplicationListener.onApplicationEvent(BootstrapApplicationListener.java:68)
 6     at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
 7     at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
 8     at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
 9     at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:127)
10     at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:76)
11     at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:53)
12     at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:342)
13     at org.springframework.boot.SpringApplication.run(SpringApplication.java:305)
14     at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215)
15     at org.springframework.boot.SpringApplication.run(SpringApplication.java:1204)
16     at mgy.com.springboottest2.SpringbootTest2Application.main(SpringbootTest2Application.java:12)
17 Disconnected from the target VM, address: '127.0.0.1:63682', transport: 'socket'
18 
19 Process finished with exit code 1

View Code

问题出现的原因：springboot的版本和springcloud的版本冲突了

解决方法：

之前是使用springboot的<version>2.1.7.RELEASE</version>对应springcloud的Edgware.RELEASE
应改为springboot的<version>2.1.7.RELEASE</version>对应springcloud的Greenwich.SR2