首先删除依赖:
<dependency> <groupId>org.eclipse.jdt.core.compiler</groupId> <artifactId>ecj</artifactId>
<version>4.6.1</version> <scope>provided</scope> </dependency>
再添加依赖:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
因为不指定tomcat的版本,发布到tomcat7会部署失败,故加上
问题解决!