Error: Class initialization failed: org.springframework.boot.SpringApplication

org/springframework/boot/maven/RepackageMojo has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 52.0

<!-- Spring Boot 3.x 項(xiàng)目應(yīng)使用 JDK 17+ -->
<properties>
    <java.version>17</java.version>
    <maven.compiler.source>17</maven.compiler.source>
    <maven.compiler.target>17</maven.compiler.target>
</properties>
<!-- Spring Boot 2.x 項(xiàng)目可使用 JDK 8 -->
<properties>
    <java.version>8</java.version>
    <maven.compiler.source>8</maven.compiler.source>
    <maven.compiler.target>8</maven.compiler.target>
</properties>

java.lang.NoClassDefFoundError: org/springframework/boot/web/server/WebServerFactoryCustomizer

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-dependencies</artifactId>
            <version>2.7.18</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
    </dependencies>
</dependencyManagement>

java.lang.NoSuchMethodError: com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor.<init>(Lcom/baomidou/mybatisplus/core/parser/ISqlParser;)V

<dependency>
    <groupId>com.zjbdos.cloud</groupId>
    <artifactId>zjbdos-cloud-framework-core</artifactId>
    <version>1.0.0</version>
    <exclusions>
        <exclusion>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-extension</artifactId>
        </exclusion>
    </exclusions>
</dependency>

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.11.0:compile (default-compile) on project app: Fatal error compiling: 無效的標(biāo)記: --release

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.11.0</version>
            <configuration>
                <source>17</source>
                <target>17</target>
                <release>17</release>
            </configuration>
        </plugin>
    </plugins>
</build>

Could not find artifact com.zjbdos.cloud:zjbdos-cloud-framework-core:pom:1.0.0 in alimaven (http://maven.aliyun.com/nexus/content/groups/public/)

org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The file 'com/example/mapper/UserMapper.xml' is not valid.

<!-- XML文件中特殊字符轉(zhuǎn)義 -->
<select id="selectUser" resultType="User">
    SELECT * FROM user WHERE name = #{name} AND status = 'ACTIVE' <!-- 注意單引號(hào) -->
</select>

org.yaml.snakeyaml.parser.ParserException: while parsing a block mapping

Error: Class initialization failed: org.springframework.boot.SpringApplication

// 使用@RegisterForReflection
@RegisterForReflection
public class User {
    private String name;
    // getter/setter
}
// 或創(chuàng)建reflect-config.json
[
    {
        "name": "com.example.demo.User",
        "methods": [
            { "name": "<init>", "parameterTypes": [] },
            { "name": "getName", "parameterTypes": [] }
        ]
    }
]

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'restTemplate' defined in class path resource [org/springframework/boot/autoconfigure/web/client/RestTemplateAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is java.lang.IllegalStateException: Cannot create a bean of type 'org.springframework.web.client.RestTemplate' because no matching factory method exists

// 方法一：升級(jí)Spring Boot版本
// 方法二：手動(dòng)創(chuàng)建RestTemplate
@Configuration
public class RestTemplateConfig {
    @Bean
    public RestTemplate restTemplate() {
        return new RestTemplate();
    }
}

[ERROR] 2023-11-08 19:19:09.123 [main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
[ERROR] 2023-11-08 19:19:09.134 [main] o.s.b.web.embedded.tomcat.TomcatWebServer : Tomcat failed to start
[ERROR] 2023-11-08 19:19:09.135 [main] o.s.b.web.embedded.tomcat.TomcatWebServer : Context failed to start
[ERROR] 2023-11-08 19:19:09.136 [main] o.s.b.SpringApplication : Application run failed
java.net.BindException: Address already in use: bind

# application.properties
server.port=8081

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.11.0:compile (default-compile) on project app: Fatal error compiling: 無效的標(biāo)記: --release

java -version

mvn dependency:tree

mvn dependency:tree -Dincludes=org.springframework.boot

<properties>
    <java.version>17</java.version>
    <spring-boot.version>3.2.8</spring-boot.version>
</properties>
<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-dependencies</artifactId>
            <version>${spring-boot.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
    </dependencies>
</dependencyManagement>

# application.properties
logging.level.root=WARN
logging.level.org.springframework.web=DEBUG
logging.level.com.example=DEBUG