spring boot 2外部tomcat启动错误
java.lang.IllegalStateException: Cannot initialize context because there is already a root application context present - check whether you have multiple ContextLoader* definitions in your web.xml!
pom：
<!-- Spring Boot Dubbo 依赖 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-aop</artifactId>
<exclusions>
<exclusion>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
</exclusion>
<exclusion>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<!-- <scope>compile</scope>-->
<scope>provided</scope><!-- 必须要加，不然报错 -->
</dependency>
<!-- <dependency>-->
<!-- <groupId>org.springframework.boot</groupId>-->
<!-- <artifactId>spring-boot-starter-velocity</artifactId>-->
<!-- <version>1.2.2.RELEASE</version>-->
<!-- </dependency>-->
<!-- <dependency>-->
<!-- <groupId>org.springframework.boot</groupId>-->
<!-- <artifactId>spring-boot-legacy</artifactId>-->
<!-- <version>1.1.0.RELEASE</version>-->
<!-- </dependency>-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba.boot</groupId>
<artifactId>dubbo-spring-boot-starter</artifactId>
<version>0.2.0</version>
</dependency>
web.xml检查过没有ContextLoaderListener，ContextLoaderListener和RequestContextListener写在代码中
@Configuration
public class ListenerConfig {
/**
* 配置 RequestContextListener
* @return
*/
@Bean
public ServletListenerRegistrationBean<RequestContextListener> listenerRegistration1() {
return new ServletListenerRegistrationBean<>(
new RequestContextListener());
}
/**
* 配置 ContextLoaderListener
* @return
*/
@Bean
public ServletListenerRegistrationBean<ContextLoaderListener> listenerRegistration2(){
return new ServletListenerRegistrationBean<>(
new ContextLoaderListener()
);
}
}