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我找到了它的stackoverflow，並在Android中找到一篇文章，但我不認爲這適合我。有效的XML文檔必須有一個根標籤
Selector for button error "Valid XML document must have a root tag"
我的快照低於：
而且我的代碼在spring_datasource.xml：
<?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:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:task="http://www.springframework.org/schema/task" xmlns:cache="http://www.springframework.org/schema/cache"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
http://www.springframework.org/schema/task
http://www.springframework.org/schema/task/spring-task-3.1.xsd
http://www.springframework.org/schema/cache
http://www.springframework.org/schema/cache/spring-cache.xsd">
<!--資源載入器 -->
<bean
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:config.properties</value>
</list>
</property>
</bean>
<!--數據連接池 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
init-method="init" destroy-method="close">
<property name="url" value="${connection.url}" />
<property name="username" value="${connection.username}" />
<property name="password" value="${connection.password}" />
<property name="initialSize" value="${connection.initialSize}" />
<property name="minIdle" value="${connection.minIdle}" />
<property name="maxActive" value="${connection.maxActive}" />
<!-- 配置獲取連接等待超時的時間 -->
<property name="maxWait" value="60000" />
<!-- 配置間隔多久才進行一次檢測，檢測需要關閉的空閒連接，單位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 配置一個連接在池中最小生存的時間，單位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="300000" />
<property name="testWhileIdle" value="true" />
<property name="testOnBorrow" value="false" />
<property name="testOnReturn" value="false" />
</bean>
<!-- (事務管理)transaction manager, use JtaTransactionManager for global tx -->
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- 基於註解的事物管理 -->
<tx:annotation-driven transaction-manager="transactionManager" />
<!-- 當在web.xml 中DispatcherServlet使用<url-pattern>/</url-pattern> 映射時，
能映射靜態資源（當Spring Web MVC框架沒有處理請求對應的控制器時（如一些靜態資源），
轉交給默認的Servlet來響應靜態文件，否則報404找不到資源錯誤，）。-->
<mvc:default-servlet-handler />
<!-- spring和hibernate整合 -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
${hibernate.dialect}
</prop>
<prop key="hibernate.show_sql">
${hibernate.show_sql}
</prop>
<prop key="hibernate.format_sql">
${hibernate.format_sql}
</prop>
<prop key="hibernate.hbm2ddl.auto">
${hibernate.hbm2ddl.auto}
</prop>
<prop key="hibernate.jdbc.batch_size">
${hibernate.jdbc.batch_size}
</prop>
<prop key="hibernate.autoReconnect">true</prop>
</props>
</property>
<property name="packagesToScan">
<list>
<value>com.ldl.vision86.common.basis.entity</value>
<value>com.ldl.vision86.business.entity</value>
</list>
</property>
</bean>
<!-- 定時器配置
task:executor/@pool-size：可以指定執行線程池的初始大小、最大大小
task:executor/@queue-capacity：等待執行的任務隊列的容量
task:executor/@rejection-policy：當等待隊已滿時的策略，分爲丟棄、由任務執行器直接運行等方式
-->
<task:scheduler id="scheduler" pool-size="10" />
<task:executor id="executor" keep-alive="3600" pool-size="100-200"
queue-capacity="500" rejection-policy="CALLER_RUNS" />
<task:annotation-driven executor="executor" scheduler="scheduler" />
</beans>
我不知道在哪裏的問題。
