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Java Spring Quartz多并发作业执行_Java_Spring_Tomcat_Quartz Scheduler - Fatal编程技术网

Java Spring Quartz多并发作业执行

Java Spring Quartz多并发作业执行,java,spring,tomcat,quartz-scheduler,Java,Spring,Tomcat,Quartz Scheduler,我们有一个传统的单片应用程序,它使用quartz 1.6.0运行作业。问题是每个作业并发运行4次。每个作业类都扩展了org.springframework.scheduling.quartz.QuartzJobBean 我们在Tomcat6上运行应用程序 假设这可能是tomcat的问题,我尝试设置了autoDeploy=“false”和deployOnStartup=“false”,但没有效果 有人说应用程序上下文被多次加载,但当应用程序启动时,我只看到一次与quartz相关的所有内容 [201

我们有一个传统的单片应用程序,它使用quartz 1.6.0运行作业。问题是每个作业并发运行4次。每个作业类都扩展了org.springframework.scheduling.quartz.QuartzJobBean

我们在Tomcat6上运行应用程序

假设这可能是tomcat的问题,我尝试设置了
autoDeploy=“false”
deployOnStartup=“false”
,但没有效果

有人说应用程序上下文被多次加载,但当应用程序启动时,我只看到一次与quartz相关的所有内容

[2016-02-22 10:27:27,222] INFO  - org.springframework.cache.ehcache.EhCacheManagerFactoryBean.afterPropertiesSet(100) | Initializing EHCache CacheManager
[2016-02-22 10:27:27,227] INFO  - org.springframework.ws.soap.saaj.SaajSoapMessageFactory.afterPropertiesSet(123) | Creating SAAJ 1.3 MessageFactory with SOAP 1.1 Protocol
[2016-02-22 10:27:27,256] INFO  - org.quartz.core.QuartzScheduler.<init>(209) | Quartz Scheduler v.1.6.0 created.
[2016-02-22 10:27:27,257] INFO  - org.quartz.simpl.RAMJobStore.initialize(141) | RAMJobStore initialized.
[2016-02-22 10:27:27,257] INFO  - org.quartz.impl.StdSchedulerFactory.instantiate(1208) | Quartz scheduler 'org.springframework.scheduling.quartz.SchedulerFactoryBean#0' initialized from an externally pr
ovided properties instance.
[2016-02-22 10:27:27,257] INFO  - org.quartz.impl.StdSchedulerFactory.instantiate(1212) | Quartz scheduler version: 1.6.0
[2016-02-22 10:27:27,257] INFO  - org.quartz.core.QuartzScheduler.setJobFactory(2065) | JobFactory set to: org.springframework.scheduling.quartz.AdaptableJobFactory@bd65df9
[2016-02-22 10:27:27,258] INFO  - org.springframework.scheduling.quartz.SchedulerFactoryBean.startScheduler(626) | Starting Quartz Scheduler now
[2016-02-22 10:27:27,258] INFO  - org.quartz.core.QuartzScheduler.start(455) | Scheduler org.springframework.scheduling.quartz.SchedulerFactoryBean#0_$_NON_CLUSTERED started.
对initWebApplicationContext的调用从以下位置启动:

  • ContextLoaderListener
  • MessageDispatcherServlet x 2
  • DipatcherServlet
  • 以下是web.xml

    <servlet>
        <servlet-name>spring-gui</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>spring-gui</servlet-name>
        <url-pattern>....</url-pattern>
    </servlet-mapping>
    
    <servlet>
        <servlet-name>spring-ws</servlet-name>
        <servlet-class>
            org.springframework.ws.transport.http.MessageDispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>spring-ws</servlet-name>
        <url-pattern>...</url-pattern>
    </servlet-mapping>
    
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>
        /WEB-INF/application-context.xml
        /WEB-INF/application-context-security.xml
        </param-value>
    </context-param>
    
    
    春桂
    org.springframework.web.servlet.DispatcherServlet
    1.
    春桂
    ....
    春季天气预报
    org.springframework.ws.transport.http.MessageDispatcherServlet
    1.
    春季天气预报
    ...
    上下文配置位置
    /WEB-INF/application-context.xml
    /WEB-INF/application-context-security.xml
    
    注意:application-context.xml包含包含QuartzSchedulerFactorybean的bean文件


    最明显的问题是对Spring的错误配置。为什么要多次加载应用程序上下文?配置servlet和所有组件的正确方法是什么?

    您是否可以创建一个带有
    @PostConstruct
    注释的方法,并创建一个如下的方法体:
    System.out.println(“Init!”)如果在启动应用程序的过程中多次看到输出,那么您的Spring配置有问题,这会导致多次加载上下文,这是一个非常好的建议。我所依赖的事实是,我没有看到应用程序上下文或quartz的多个日志条目。我忘了提到JVisualVM显示了4个不同的quartz线程池(4*10个线程)和4个调度程序线程,所以最明显的是quartz被实例化了4次。我会深入研究代码,找到一些东西后再回来。你有4个集群吗?
    
    <servlet>
        <servlet-name>spring-gui</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>spring-gui</servlet-name>
        <url-pattern>....</url-pattern>
    </servlet-mapping>
    
    <servlet>
        <servlet-name>spring-ws</servlet-name>
        <servlet-class>
            org.springframework.ws.transport.http.MessageDispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>spring-ws</servlet-name>
        <url-pattern>...</url-pattern>
    </servlet-mapping>
    
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>
        /WEB-INF/application-context.xml
        /WEB-INF/application-context-security.xml
        </param-value>
    </context-param>