修改pom，war包配置

pom.xml

@@ -40,12 +40,12 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-<!--            <exclusions>-->
-<!--                <exclusion>-->
-<!--                    <groupId>org.springframework.boot</groupId>-->
-<!--                    <artifactId>spring-boot-starter-tomcat</artifactId>-->
-<!--                </exclusion>-->
-<!--            </exclusions>-->
+            <exclusions>
+                <exclusion>
+                    <groupId>org.springframework.boot</groupId>
+                    <artifactId>spring-boot-starter-tomcat</artifactId>
+                </exclusion>
+            </exclusions>
         </dependency>
 
         <!--maven打war包配置-->
@@ -62,7 +62,7 @@
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
-            <scope>runtime</scope>
+            <scope>provided</scope>
         </dependency>
         <!--spring web end-->
 
@@ -197,7 +197,15 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
-                <version>3.0.2</version>
+                <version>2.7.2</version>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-war-plugin</artifactId>
+                <version>3.3.1</version>
+                <configuration>
+                    <failOnMissingWebXml>false</failOnMissingWebXml>
+                </configuration>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>

src/main/java/com/sky/ioc/SkyIocApplication.java

@@ -2,9 +2,16 @@ package com.sky.ioc;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
 
 @SpringBootApplication
-public class SkyIocApplication {
+public class SkyIocApplication extends SpringBootServletInitializer {
+
+    @Override
+    protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
+        return builder.sources(SkyIocApplication.class);
+    }
 
     public static void main(String[] args) {
         SpringApplication.run(SkyIocApplication.class, args);