5
配置彈簧4石英調度
@Configuration
@ComponentScan(basePackages="com.lokesh.tracker.integrations.jobs")
public class QuartzConfig {
public JobDetailFactoryBean dailySummary(){
JobDetailFactoryBean bean=new JobDetailFactoryBean();
bean.setJobClass(DailySummary.class);
bean.setName("dailySummary");
bean.setGroup("dailySummaries");
return bean;
}
public CronTriggerFactoryBean dailySummarytrigger(){
CronTriggerFactoryBean bean=new CronTriggerFactoryBean();
bean.setJobDetail(dailySummary().getObject());
bean.setStartDelay(5000);
bean.setBeanName("dailySummarytrigger");
bean.setGroup("dailySummaries");
bean.setCronExpression("0 0/1 * 1/1 * ? *");
return bean;
}
@Bean
public SchedulerFactoryBean schedulerFactoryBean() {
SchedulerFactoryBean scheduler = new SchedulerFactoryBean();
scheduler.setTriggers(dailySummarytrigger().getObject());
return scheduler;
}
}
工作
@DisallowConcurrentExecution
public class DailySummary extends QuartzJobBean{
@Override
protected void executeInternal(JobExecutionContext arg0)
throws JobExecutionException {
System.out.println("hello");
}
}
錯誤
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'schedulerFactoryBean' defined in com.lokesh.tracker.config.QuartzConfig: Invocation of init method failed; nested exception is org.quartz.SchedulerException: Registration of jobs and triggers failed: null [See nested exception: java.lang.NullPointerException]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1574)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:736)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4992)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5492)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1575)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1565)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: org.quartz.SchedulerException: Registration of jobs and triggers failed: null [See nested exception: java.lang.NullPointerException]
at org.springframework.scheduling.quartz.SchedulerAccessor.registerJobsAndTriggers(SchedulerAccessor.java:254)
at org.springframework.scheduling.quartz.SchedulerFactoryBean.afterPropertiesSet(SchedulerFactoryBean.java:512)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1633)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1570)
... 21 more
Caused by: java.lang.NullPointerException
at org.springframework.scheduling.quartz.SchedulerAccessor.addTriggerToScheduler(SchedulerAccessor.java:291)
at org.springframework.scheduling.quartz.SchedulerAccessor.registerJobsAndTriggers(SchedulerAccessor.java:235)
... 24 more
能識別一些我的錯誤。我第一次使用Quartz。所以我不明白它在錯誤中說了什麼。在這個例子中，我想執行石英每日summmary類。