springboot修改context-path后报错_springboot中改变tomcat的context path会导致接口错误-优快云博客

本文链接：https://blog.youkuaiyun.com/Zbygroth/article/details/101013669

在尝试更改Springboot应用的context-path后，遇到了启动错误。通过查阅资料，找到了解决方案，将相关代码调整后，应用成功启动。对于初学者来说，这是一个学习Springboot配置的好机会。

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springboot修改context-path后报错

最近用springboot重写一位前辈的接口修改项目名称的时候出了错
配置文件添加的代码
server: port: 8088 servlet: context-path: wxyy

再启动就报错

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-09-19 10:37:08.059 ERROR 1032 --- [           main] o.s.boot.SpringApplication               : Application run failed

org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'tomcatServletWebServerFactory' defined in class path resource [org/springframework/boot/autoconfigure/web/servlet/ServletWebServerFactoryConfiguration$EmbeddedTomcat.class]: Initialization of bean failed; nested exception is java.lang.IllegalArgumentException: ContextPath must start with '/' and not end with '/'
  at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:156) ~[spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) ~[spring-context-5.1.9.RELEASE.jar:5.1.9.RELEASE]
  at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744) [spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391) [spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) [spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:1204) [spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at com.sdss.InterfaceApplication.main(InterfaceApplication.java:10) [classes/:na]
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'tomcatServletWebServerFactory' defined in class path resource [org/springframework/boot/autoconfigure/web/servlet/ServletWebServerFactoryConfiguration$EmbeddedTomcat.class]: Initialization of bean failed; nested exception is java.lang.IllegalArgumentException: ContextPath must start with '/' and not end with '/'
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:601) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
  at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
  at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
  at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
  at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:204) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
  at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.getWebServerFactory(ServletWebServerApplicationContext.java:210) ~[spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:179) ~[spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:153) ~[spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  ... 8 common frames omitted
Caused by: java.lang.IllegalArgumentException: ContextPath must start with '/' and not end with '/'
  at org.springframework.boot.web.servlet.server.AbstractServletWebServerFactory.checkContextPath(AbstractServletWebServerFactory.java:133) ~[spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.web.servlet.server.AbstractServletWebServerFactory.setContextPath(AbstractServletWebServerFactory.java:122) ~[spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.context.properties.PropertyMapper$Source.to(PropertyMapper.java:316) ~[spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.autoconfigure.web.servlet.ServletWebServerFactoryCustomizer.customize(ServletWebServerFactoryCustomizer.java:54) ~[spring-boot-autoconfigure-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.autoconfigure.web.servlet.ServletWebServerFactoryCustomizer.customize(ServletWebServerFactoryCustomizer.java:35) ~[spring-boot-autoconfigure-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.web.server.WebServerFactoryCustomizerBeanPostProcessor.lambda$postProcessBeforeInitialization$0(WebServerFactoryCustomizerBeanPostProcessor.java:72) ~[spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.util.LambdaSafe$Callbacks.lambda$null$0(LambdaSafe.java:284) ~[spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.util.LambdaSafe$LambdaSafeCallback.invoke(LambdaSafe.java:155) ~[spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.util.LambdaSafe$Callbacks.lambda$invoke$1(LambdaSafe.java:283) ~[spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at java.util.ArrayList.forEach(ArrayList.java:1257) ~[na:1.8.0_161]
  at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) ~[na:1.8.0_161]
  at org.springframework.boot.util.LambdaSafe$Callbacks.invoke(LambdaSafe.java:282) ~[spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.web.server.WebServerFactoryCustomizerBeanPostProcessor.postProcessBeforeInitialization(WebServerFactoryCustomizerBeanPostProcessor.java:72) ~[spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.boot.web.server.WebServerFactoryCustomizerBeanPostProcessor.postProcessBeforeInitialization(WebServerFactoryCustomizerBeanPostProcessor.java:58) ~[spring-boot-2.1.8.RELEASE.jar:2.1.8.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:414) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1770) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593) ~[spring-beans-5.1.9.RELEASE.jar:5.1.9.RELEASE]
  ... 16 common frames omitted

然后查找相关资料找到解决办法
把之前的代码改成

server:
  port: 8088
  servlet:
    context-path: /wxyy

启动正常

刚开始使用springboot，还需继续学习。