spring 定时任务@Scheduled详解

<?xml version="1.0" encoding="utf-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
 xmlns:xsi="http://www.w3.org/2001/xmlschema-instance"
 xmlns:task="http://www.springframework.org/schema/task"
 xsi:schemalocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
 http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task.xsd"
 default-autowire="byname" default-lazy-init="false">

 <!-- 定时任务相关配置 -->
 <task:executor id="executor" pool-size="10" queue-capacity="128"/>
 <task:scheduler id="scheduler" pool-size="10"/>
 <task:annotation-driven executor="executor" scheduler="scheduler" proxy-target-class="true"/>

</beans>

@scheduled(fixeddelay = 5000)
 public void testtask() {
  logger.info("测试定时任务");
 }

@scheduled(cron = "cron = "0 0 2 * * ?"")
 public void testtaskwithdate() {
  logger.info("测试2016.定时任务");
 }

@scheduled(cron = "0 18 10 * * ? 2016-2016")
  public void testtaskwithdate() {
    logger.info("测试2016.定时任务");
  }

 org.springframework.beans.factory.beancreationexception: error creating bean with name 'giftreceiverecordserviceimp' defined in url [jar:file:/users/zhengcanrui/work/git/seewoedu-train-server/train-web/target/train/web-inf/lib/train-server-2.0-snapshot.jar!/com/seewoedu/train/service/impl/giftreceiverecordserviceimp.class]: initialization of bean failed; nested exception is java.lang.illegalstateexception: encountered invalid @scheduled method 'testtaskwithdate': cron expression must consist of 6 fields (found 7 in "0 18 10 * * ? 2016-2016")
 at org.springframework.beans.factory.support.abstractautowirecapablebeanfactory.docreatebean(abstractautowirecapablebeanfactory.java:553)
 at org.springframework.beans.factory.support.abstractautowirecapablebeanfactory.createbean(abstractautowirecapablebeanfactory.java:482)
 at org.springframework.beans.factory.support.abstractbeanfactory$1.getobject(abstractbeanfactory.java:306)
 at org.springframework.beans.factory.support.defaultsingletonbeanregistry.getsingleton(defaultsingletonbeanregistry.java:230)
 at org.springframework.beans.factory.support.abstractbeanfactory.dogetbean(abstractbeanfactory.java:302)
 at org.springframework.beans.factory.support.abstractbeanfactory.getbean(abstractbeanfactory.java:197)
 at org.springframework.beans.factory.support.defaultlistablebeanfactory.preinstantiatesingletons(defaultlistablebeanfactory.java:772)
 at org.springframework.context.support.abstractapplicationcontext.finishbeanfactoryinitialization(abstractapplicationcontext.java:839)
 at org.springframework.context.support.abstractapplicationcontext.refresh(abstractapplicationcontext.java:538)
 at org.springframework.web.context.contextloader.configureandrefreshwebapplicationcontext(contextloader.java:444)
 at org.springframework.web.context.contextloader.initwebapplicationcontext(contextloader.java:326)
 at org.springframework.web.context.contextloaderlistener.contextinitialized(contextloaderlistener.java:107)
 at org.apache.catalina.core.standardcontext.listenerstart(standardcontext.java:4842)
 at org.apache.catalina.core.standardcontext.startinternal(standardcontext.java:5303)
 at org.apache.catalina.util.lifecyclebase.start(lifecyclebase.java:147)
 at org.apache.catalina.core.containerbase.addchildinternal(containerbase.java:725)
 at org.apache.catalina.core.containerbase.addchild(containerbase.java:701)
 at org.apache.catalina.core.standardhost.addchild(standardhost.java:717)
 at org.apache.catalina.startup.hostconfig.manageapp(hostconfig.java:1696)
 at sun.reflect.nativemethodaccessorimpl.invoke0(native method)
 at sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:57)
 at sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)
 at java.lang.reflect.method.invoke(method.java:606)
 at org.apache.tomcat.util.modeler.basemodelmbean.invoke(basemodelmbean.java:300)
 at com.sun.jmx.interceptor.defaultmbeanserverinterceptor.invoke(defaultmbeanserverinterceptor.java:819)
 at com.sun.jmx.mbeanserver.jmxmbeanserver.invoke(jmxmbeanserver.java:801)
 at org.apache.catalina.mbeans.mbeanfactory.createstandardcontext(mbeanfactory.java:484)
 at org.apache.catalina.mbeans.mbeanfactory.createstandardcontext(mbeanfactory.java:433)
 at sun.reflect.nativemethodaccessorimpl.invoke0(native method)
 at sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:57)
 at sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)
 at java.lang.reflect.method.invoke(method.java:606)
 at org.apache.tomcat.util.modeler.basemodelmbean.invoke(basemodelmbean.java:300)
 at com.sun.jmx.interceptor.defaultmbeanserverinterceptor.invoke(defaultmbeanserverinterceptor.java:819)
 at com.sun.jmx.mbeanserver.jmxmbeanserver.invoke(jmxmbeanserver.java:801)
 at javax.management.remote.rmi.rmiconnectionimpl.dooperation(rmiconnectionimpl.java:1487)
 at javax.management.remote.rmi.rmiconnectionimpl.access$300(rmiconnectionimpl.java:97)
 at javax.management.remote.rmi.rmiconnectionimpl$privilegedoperation.run(rmiconnectionimpl.java:1328)
 at javax.management.remote.rmi.rmiconnectionimpl.doprivilegedoperation(rmiconnectionimpl.java:1420)
 at javax.management.remote.rmi.rmiconnectionimpl.invoke(rmiconnectionimpl.java:848)
 at sun.reflect.nativemethodaccessorimpl.invoke0(native method)
 at sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:57)
 at sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)
 at java.lang.reflect.method.invoke(method.java:606)
 at sun.rmi.server.unicastserverref.dispatch(unicastserverref.java:322)
 at sun.rmi.transport.transport$2.run(transport.java:202)
 at sun.rmi.transport.transport$2.run(transport.java:199)
 at java.security.accesscontroller.doprivileged(native method)
 at sun.rmi.transport.transport.servicecall(transport.java:198)
 at sun.rmi.transport.tcp.tcptransport.handlemessages(tcptransport.java:567)
 at sun.rmi.transport.tcp.tcptransport$connectionhandler.run0(tcptransport.java:828)
 at sun.rmi.transport.tcp.tcptransport$connectionhandler.access$400(tcptransport.java:619)
 at sun.rmi.transport.tcp.tcptransport$connectionhandler$1.run(tcptransport.java:684)
 at sun.rmi.transport.tcp.tcptransport$connectionhandler$1.run(tcptransport.java:681)
 at java.security.accesscontroller.doprivileged(native method)
 at sun.rmi.transport.tcp.tcptransport$connectionhandler.run(tcptransport.java:681)
 at java.util.concurrent.threadpoolexecutor.runworker(threadpoolexecutor.java:1145)
 at java.util.concurrent.threadpoolexecutor$worker.run(threadpoolexecutor.java:615)
 at java.lang.thread.run(thread.java:745)
caused by: java.lang.illegalstateexception: encountered invalid @scheduled method 'testtaskwithdate': cron expression must consist of 6 fields (found 7 in "0 18 10 * * ? 2016-2016")
 at org.springframework.scheduling.annotation.scheduledannotationbeanpostprocessor.processscheduled(scheduledannotationbeanpostprocessor.java:405)
 at org.springframework.scheduling.annotation.scheduledannotationbeanpostprocessor.postprocessafterinitialization(scheduledannotationbeanpostprocessor.java:258)
 at org.springframework.beans.factory.support.abstractautowirecapablebeanfactory.applybeanpostprocessorsafterinitialization(abstractautowirecapablebeanfactory.java:422)
 at org.springframework.beans.factory.support.abstractautowirecapablebeanfactory.initializebean(abstractautowirecapablebeanfactory.java:1583)
 at org.springframework.beans.factory.support.abstractautowirecapablebeanfactory.docreatebean(abstractautowirecapablebeanfactory.java:545)
 ... 58 more

/**
 * parse the given pattern expression.
 */
private void parse(string expression) throws illegalargumentexception {
 string[] fields = stringutils.tokenizetostringarray(expression, " ");
 if (fields.length != 6) {
  throw new illegalargumentexception(string.format(""
    + "cron expression must consist of 6 fields (found %d in %s)", fields.length, expression));
 }