正常启动spring boot工程
启动抛出空指针
pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.3.4.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.Jin10</groupId>
<artifactId>schedule</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>schedule</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!-- 配置Mysql依赖-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.49</version>
</dependency>
<!-- 配置lombok依赖-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<!-- 配置Mybatis-plus依赖-->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>3.4.0</version>
</dependency>
<!-- xxl-job-core -->
<dependency>
<groupId>com.xuxueli</groupId>
<artifactId>xxl-job-core</artifactId>
<version>2.2.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
- appcation配置文件
spring: datasource: url: jdbc:mysql://localhost:3306/spider-manage?useSSL=false&useUnicode=true&characterEncoding=utf-8 username: root password: 123456 driver-class-name: com.mysql.jdbc.Driver
mybatis-plus: configuration: log-impl: org.apache.ibatis.logging.stdout.StdOutImpl global-config: db-config:
logic-delete-field: flag # 全局逻辑删除的实体字段名(since 3.3.0,配置后可以忽略不配置步骤2) logic-delete-value: 1 # 逻辑已删除值(默认为 1)
logic-not-delete-value: 0 # 逻辑未删除值(默认为 0)
xxl:
job:
admin:
addresses: http://localhost:8088/xxl-job-admin
executor:
appname: local-executor
ip:
port: 10001
logpath:
logretentiondays: 30
accessToken: jin10
server:
port: 18888
2. xxlconfig
```java
@Configuration
public class XxlJobConfig {
@Value("${xxl.job.admin.addresses}")
private String adminAddresses;
@Value("${xxl.job.executor.appname}")
private String appName;
@Value("${xxl.job.executor.ip}")
private String ip;
@Value("${xxl.job.executor.port}")
private int port;
@Value("${xxl.job.accessToken}")
private String accessToken;
@Value("${xxl.job.executor.logpath}")
private String logPath;
@Value("${xxl.job.executor.logretentiondays}")
private int logRetentionDays;
@Bean
public XxlJobSpringExecutor xxlJobExecutor() {
// 创建 XxlJobSpringExecutor 执行器
XxlJobSpringExecutor xxlJobSpringExecutor = new XxlJobSpringExecutor();
xxlJobSpringExecutor.setAdminAddresses(adminAddresses);
xxlJobSpringExecutor.setAppname(appName);
xxlJobSpringExecutor.setIp(ip);
xxlJobSpringExecutor.setPort(port);
xxlJobSpringExecutor.setAccessToken(accessToken);
xxlJobSpringExecutor.setLogPath(logPath);
xxlJobSpringExecutor.setLogRetentionDays(logRetentionDays);
// 返回
return xxlJobSpringExecutor;
}
}
-
执行器执行逻辑类
@Component public class DemoJobHandler extends IJobHandler { private Logger logger = LoggerFactory.getLogger(getClass()); @XxlJob(value = "Job") @Override public ReturnT<String> execute(String param) throws Exception { return ReturnT.SUCCESS; } }
- 启动抛出的异常信息
. ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.3.4.RELEASE)
2021-01-04 11:28:18.875 INFO 10884 --- [ main] com.jin10.schedule.ScheduleApplication : Starting ScheduleApplication on DESKTOP-PEVRKGP with PID 10884 (E:\Ryan\schedule\target\classes started by 13121 in E:\Ryan\schedule)
2021-01-04 11:28:18.877 INFO 10884 --- [ main] com.jin10.schedule.ScheduleApplication : No active profile set, falling back to default profiles: default
2021-01-04 11:28:19.281 WARN 10884 --- [ main] o.m.s.mapper.ClassPathMapperScanner : No MyBatis mapper was found in '[com.jin10.schedule.mapper]' package. Please check your configuration.
Logging initialized using 'class org.apache.ibatis.logging.stdout.StdOutImpl' adapter.
Property 'mapperLocations' was not specified.
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3.4.0
2021-01-04 11:28:19.883 INFO 10884 --- [ main] c.xxl.job.core.executor.XxlJobExecutor : >>>>>>>>>>> xxl-job register jobhandler success, name:Job, jobHandler:com.xxl.job.core.handler.impl.MethodJobHandler@1e34c607[class com.jin10.schedule.service.DemoJobHandler#execute]
2021-01-04 11:28:19.890 INFO 10884 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor'
2021-01-04 11:28:19.916 INFO 10884 --- [ main] com.jin10.schedule.ScheduleApplication : Started ScheduleApplication in 1.308 seconds (JVM running for 1.866)
2021-01-04 11:28:19.919 INFO 10884 --- [extShutdownHook] o.s.s.concurrent.ThreadPoolTaskExecutor : Shutting down ExecutorService 'applicationTaskExecutor'
2021-01-04 11:28:19.922 ERROR 10884 --- [extShutdownHook] c.xxl.job.core.executor.XxlJobExecutor : null
java.lang.NullPointerException: null at com.xxl.job.core.thread.ExecutorRegistryThread.toStop(ExecutorRegistryThread.java:117) ~[xxl-job-core-2.2.0.jar:na] at com.xxl.job.core.server.EmbedServer.stopRegistry(EmbedServer.java:262) ~[xxl-job-core-2.2.0.jar:na] at com.xxl.job.core.server.EmbedServer.stop(EmbedServer.java:124) ~[xxl-job-core-2.2.0.jar:na] at com.xxl.job.core.executor.XxlJobExecutor.stopEmbedServer(XxlJobExecutor.java:158) [xxl-job-core-2.2.0.jar:na] at com.xxl.job.core.executor.XxlJobExecutor.destroy(XxlJobExecutor.java:85) [xxl-job-core-2.2.0.jar:na] at com.xxl.job.core.executor.impl.XxlJobSpringExecutor.destroy(XxlJobSpringExecutor.java:55) [xxl-job-core-2.2.0.jar:na] at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:258) [spring-beans-5.2.9.RELEASE.jar:5.2.9.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:587) [spring-beans-5.2.9.RELEASE.jar:5.2.9.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:559) [spring-beans-5.2.9.RELEASE.jar:5.2.9.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:1092) [spring-beans-5.2.9.RELEASE.jar:5.2.9.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:520) [spring-beans-5.2.9.RELEASE.jar:5.2.9.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:1085) [spring-beans-5.2.9.RELEASE.jar:5.2.9.RELEASE] at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1061) [spring-context-5.2.9.RELEASE.jar:5.2.9.RELEASE] at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1030) [spring-context-5.2.9.RELEASE.jar:5.2.9.RELEASE] at org.springframework.context.support.AbstractApplicationContext$1.run(AbstractApplicationContext.java:949) [spring-context-5.2.9.RELEASE.jar:5.2.9.RELEASE]
2021-01-04 11:28:19.922 INFO 10884 --- [FileCleanThread] c.x.j.core.thread.JobLogFileCleanThread : >>>>>>>>>>> xxl-job, executor JobLogFileCleanThread thread destory. 2021-01-04 11:28:19.923 INFO 10884 --- [rCallbackThread] c.x.j.core.thread.TriggerCallbackThread : >>>>>>>>>>> xxl-job, executor callback thread destory. 2021-01-04 11:28:19.923 INFO 10884 --- [ Thread-6] c.x.j.core.thread.TriggerCallbackThread : >>>>>>>>>>> xxl-job, executor retry callback thread destory.
Process finished with exit code 0