xxl-job任务调度2.0.2升级到2.3.0版本，执行器改造过程中经验总结

<parent>
    <groupId>com.xuxueli</groupId>
    <artifactId>xxl-job-executor-samples</artifactId>
    <version>2.0.2-SNAPSHOT</version>
  </parent>

<parent>
    <groupId>com.xuxueli</groupId>
    <artifactId>xxl-job-executor-samples</artifactId>
    <version>2.3.0</version>
  </parent>

package com.xxl.job.executor.service.jobhandler;
import com.xxl.job.core.biz.model.ReturnT;
import com.xxl.job.core.handler.annotation.XxlJob;
import com.xxl.job.core.log.XxlJobLogger;
import org.springframework.stereotype.Component;
import java.util.concurrent.TimeUnit;
@Component
public class DemoJobHandler {
  @XxlJob("demoJobHandler")
  public ReturnT<String> execute(String param) throws Exception {
    XxlJobLogger.log("XXL-JOB, Hello World.");
    for (int i = 0; i < 5; i++) {
      XxlJobLogger.log("beat at:" + i);
      TimeUnit.SECONDS.sleep(2);
    }
    return ReturnT.SUCCESS;
  }
}

Connected to server
[2023-10-20 10:34:31,713] Artifact xxl-job-executor-sample-spring:war exploded: Artifact is being deployed, please wait...
20-Oct-2023 10:34:38.787 信息 [RMI TCP Connection(5)-127.0.0.1] org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
20-Oct-2023 10:34:38.885 严重 [RMI TCP Connection(5)-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal One or more listeners failed to start. Full details will be found in the appropriate container log file
20-Oct-2023 10:34:38.887 严重 [RMI TCP Connection(5)-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal Context [] startup failed due to previous errors
[2023-10-20 10:34:38,903] Artifact xxl-job-executor-sample-spring:war exploded: Error during artifact deployment. See server log for details.

org.apache.catalina.core.ApplicationContext.log No Spring WebApplicationInitializer types detected on classpath
20-Oct-2023 10:34:38.834 严重 [RMI TCP Connection(5)-127.0.0.1] org.apache.catalina.core.StandardContext.listenerStart Error configuring application listener of class org.springframework.web.util.Log4jConfigListener
 java.lang.ClassNotFoundException: org.springframework.web.util.Log4jConfigListener

java.lang.ClassNotFoundException: org.springframework.web.util.Log4jConfigListener

<dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>4.3.22.RELEASE</version>
    </dependency>

Invalid property 'appName' of bean class [com.xxl.job.core.executor.impl.XxlJobSpringExecutor]: Bean property 'appName' is not writable or has an invalid setter method. Did you mean 'appname'?

public class XxlJobSpringExecutor extends XxlJobExecutor implements ApplicationContextAware, SmartInitializingSingleton, DisposableBean {
    private static final Logger logger = LoggerFactory.getLogger(XxlJobSpringExecutor.class);
    private static ApplicationContext applicationContext;
    public XxlJobSpringExecutor() {
    }
    public void afterSingletonsInstantiated() {
        this.initJobHandlerMethodRepository(applicationContext);
        GlueFactory.refreshInstance(1);
        try {
            super.start();
        } catch (Exception var2) {
            throw new RuntimeException(var2);
        }
    }
    .....