30分钟后每隔春季cron表达 [英] Spring cron expression for every after 30 minutes

问题描述

我每30分钟要运行一次Spring作业.请检查我的cron表达式，对吗?

I have following Spring job to run after every 30 minutes. Please check my cron expression, is that correct?

"0 0 0 * * 30"

"0 0 0 * * 30"

这是相关的Spring configuration 文件中的完整cron作业定义:

Here is a full cron job definition from the related Spring configuration file:

<bean id="autoWeblogPingTrigger" class="org.springframework.scheduling.quartz.CronTriggerBean">
    <property name="jobDetail" ref="jobDetailForWeblogPing"/>
    <!-- run every 35 minutes -->
    <property name="cronExpression" value="0 0 0 * * 30" />
</bean>

推荐答案

<property name="cronExpression" value="0 0/30 * * * ?" />

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