突然遇到spring创建bean失败的问题。webapp 已经部署并且已经运行了几个月。但是，以下错误消息突然出现。它可以通过重新启动 web 应用程序来解决，但再次出现时没有任何提示。有人知道这个案子吗？
Tomcat 6 用于托管 webapp。
[2013/05/03 12:02:56:421 HKT] ajp-8009-42 org.ajax4jsf.webapp.BaseXMLFilter(227) - Exception in the filter chain
javax.servlet.ServletException: Error creating bean with name 'reportGenerationBean' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Cannot resolve reference to bean 'scheduleBean' while setting bean property 'scheduleBean'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'scheduleBean': Invocation of init method failed; nested exception is java.lang.ArrayIndexOutOfBoundsException
applicationContext.xml 如下
<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">
<context:property-placeholder location="classpath*:webapp.properties,classpath*:env_prod.properties"/>
<context:annotation-config />
<bean id="facesUtils" class="org.springframework.beans.factory.config.MethodInvokingFactoryBean">
<property name="staticMethod">
<value>com.webapp.util.FacesUtils.init</value>
</property>
<property name="arguments">
<list>
<value>com.webapp.config.SpringBeanEnum</value>
<value>com.webapp.config.FacesBeanEnum</value>
</list>
</property>
</bean>
<bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory"><ref local="inspectbookSessionFactory"/></property>
</bean>
<context:component-scan base-package="com.webapp.bo, com.webapp.service" />
<tx:annotation-driven transaction-manager="transactionManager" />
<bean id="hibernateDAO" abstract="true">
<property name="sessionFactory"><ref local="inspectbookSessionFactory"/></property>
</bean>
<!-- Temporary Setting -->
<bean id="ItemSearchBeanDao" class="com.webapp.dao.tmp.ItemSearchBeanDao" parent="hibernateDAO">
<property name="maxRecordNo" value="${no_of_record.order}"/>
</bean>
<bean id="BookedSearchBeanDao" class="com.webapp.dao.tmp.BookedSearchBeanDao" parent="hibernateDAO">
<property name="maxRecordNo" value="${no_of_record.booked}"/>
</bean>
<bean id="ScheduleBeanDao" class="com.webapp.dao.tmp.ScheduleBeanDao" parent="hibernateDAO"></bean>
<bean id="WhItemSearchBeanDao" class="com.webapp.dao.tmp.WhItemSearchBeanDao" parent="hibernateDAO">
<property name="maxRecordNo" value="${no_of_record.whItem}"/>
</bean>
<bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
<property name="host" value="-secret-"/>
</bean>
<bean id="EmailUtil" class="com.webapp.util.EmailUtil">
<property name="mailSender" ref="mailSender"/>
</bean>
<bean id="freeMarkerTemplateMailer" class="com.webapp.bo.email.impl.FreeMarkerTemplateMailer">
<property name="mailSender" ref="mailSender"/>
</bean>
<bean id="emailService" class="com.webapp.bo.email.impl.EmailServiceImpl" >
<property name="orgunitDao" ref="OrgunitDAO"/>
<property name="contactMethodDao" ref="ContactMethodDAO"/>
<property name="mailer" ref="freeMarkerTemplateMailer"/>
</bean>
<bean id="scheduleEmail" class="com.webapp.bo.schedule.impl.ScheduleEmailImpl" >
<property name="orgunitDao" ref="OrgunitDAO"/>
<property name="scheduleBeanDao" ref="ScheduleBeanDao"/>
<property name="emailService" ref="emailService"/>
</bean>
<bean name="scheduleJob" class="org.springframework.scheduling.quartz.JobDetailBean">
<property name="jobClass" value="com.webapp.service.schedule.ScheduleJob" />
<property name="jobDataAsMap">
<map>
<entry key="scheduleEmail" value-ref="scheduleEmail" />
</map>
</property>
</bean>
<!-- JSF backing bean START -->
<bean id="vendorSearchBean" class="com.webapp.service.search.item.VendorSearchBean" scope="session">
<property name="maxRecordNo" value="${no_of_record.vendor}"/>
</bean>
<bean id="itemSearchBean" name="itemSearchBean" class="com.webapp.service.search.item.NewItemSearchBean" scope="session">
<property name="maxRecordNo" value="${no_of_record.order}"/>
<property name="popupBean" ref="popupBean"/>
</bean>
<bean id="itemSearchPopupBean" name="itemSearchPopupBean" class="com.webapp.service.search.item.NewItemSearchBean" scope="session">
<property name="maxRecordNo" value="${no_of_record.order}"/>
</bean>
<bean id="detailBean" class="com.webapp.service.detail.DetailBean" scope="session">
<property name="itemSearchBean" ref="itemSearchBean"/>
<property name="itemSearchPopupBean" ref="itemSearchPopupBean"/>
<property name="popupBean" ref="popupBean"/>
</bean>
<bean id="bookedSearchBean" class="com.webapp.service.search.booked.BookedSearchBean" scope="session">
<property name="maxRecordNo" value="${no_of_record.booked}"/>
</bean>
<bean id="scheduleConfirmBean" class="com.webapp.service.schedule.ScheduleConfirmBean" scope="session">
<property name="popupBean" ref="popupBean"/>
</bean>
<bean id="scheduleBean" class="com.webapp.service.search.schedule.ScheduleBean" scope="session">
<property name="popupBean" ref="popupBean"/>
</bean>
<bean id="dropBean" class="com.webapp.service.search.schedule.DropBean" scope="request">
<property name="scheduleBean" ref="scheduleBean"/>
</bean>
<bean id="inspectContactBean" class="com.webapp.service.detail.contact.InspectContactBean" scope="session">
<property name="detailBean" ref="detailBean"/>
</bean>
<bean id="inspectLocationBean" class="com.webapp.service.detail.contact.InspectLocationBean" scope="session">
<property name="detailBean" ref="detailBean"/>
</bean>
<bean id="whItemSearchBean" class="com.webapp.service.search.warehouse.WhItemSearchBean" scope="session">
<property name="maxRecordNo" value="${no_of_record.whItem}"/>
<!--<property name="propertiesUtil" ref="propertiesUtil"/>-->
</bean>
<!-- Autocomplete -->
<bean id="autocomplete" class="com.webapp.service.common.AutocompleteBean" scope="session"></bean>
<!-- PackingListBean -->
<bean id="packingListBean" class="com.webapp.service.common.PackingListBean" scope="session">
<property name="itemSearchBean" ref="itemSearchBean"/>
<property name="popupBean" ref="popupBean"/>
</bean>
<!-- Report Bean -->
<bean id="reportGenerationBean" class="com.webapp.service.report.ReportGenerationBean" scope="request">
<property name="itemSearchBean" ref="itemSearchBean"/>
<property name="packingListBean" ref="packingListBean"/>
<property name="scheduleBean" ref="scheduleBean"/>
</bean>
<!-- popupBean -->
<bean id="popupBean" class="com.webapp.service.common.PopupControlBean" scope="session">
</bean>
<!-- JSF backing bean END -->
</beans>