The content of element type "configuration" must match "(properties?,setting

在运行mybatis配置文件的时候，出现错误：

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1. Caused by: org.xml.sax.SAXParseException: The content of element type "configuration" must match "(properties?,settings?,typeAliases?,typeHandlers?,objectFactory?,objectWrapperFactory?,plugins?,environments?,databaseIdProvider?,mappers?)".  
2.     at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:195)  
3.     at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:131)  
4.     at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:384)  
5.     at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:318)  
6.     at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.handleEndElement(XMLDTDValidator.java:2017)  
7.     at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.endElement(XMLDTDValidator.java:901)  
8.     at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1774)  
9.     at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2930)  
10.     at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648)  
11.     at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)  
12.     at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:807)  
13.     at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)  
14.     at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:107)  
15.     at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:225)  
16.     at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:283)  
17.     at org.apache.ibatis.parsing.XPathParser.createDocument(XPathParser.java:254)  
18.     ... 21 more  

配置文件如下：

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1. <?xml version="1.0" encoding="UTF-8" ?>  
2. <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN"  
3. "http://mybatis.org/dtd/mybatis-3-config.dtd">  
4. <configuration>  
5.     <properties resource="dbConfig.properties"></properties>  
6.     <environments default="development">  
7.         <environment id="development">  
8.             <transactionManager type="JDBC" />  
9.             <dataSource type="POOLED">  
10.                 <property name="driver" value="${driver}" />  
11.                 <property name="url" value="${url}" />  
12.                 <property name="username" value="${dbuser}" />  
13.                 <property name="password" value="${dbpassword}" />  
14.             </dataSource>  
15.         </environment>  
16.     </environments>  
17.     <mappers>  
18.         <mapper resource="com/apps/dao/RemainDao.xml"/>  
19.         <mapper resource="com/apps/dao/WorkSpaceDao.xml"/>  
20.     </mappers>  
21.     <typeAliases>  
22.         <typeAlias type="com.apps.domain.Remian" alias="Remian"/>  
23.         <typeAlias type="com.apps.domain.WorkSpace" alias="WorkSpace"/>  
24.     </typeAliases>  
25. </configuration>  

找了老半天，才发现配置文件 configuration 中的元素，不但有类型限制，也有顺序限制。必须按照（

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1. match "(properties?,settings?,typeAliases?,typeHandlers?,objectFactory?,objectWrapperFactory?,plugins?,environments?,databaseIdProvider?,mappers?)".  

）进行配置。修改配置文件

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1. <?xml version="1.0" encoding="UTF-8" ?>  
2. <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN"  
3. "http://mybatis.org/dtd/mybatis-3-config.dtd">  
4. <configuration>  
5.     <properties resource="dbConfig.properties"></properties>  
6.     <typeAliases>  
7.         <typeAlias type="com.apps.domain.Remian" alias="Remian"/>  
8.         <typeAlias type="com.apps.domain.WorkSpace" alias="WorkSpace"/>  
9.     </typeAliases>  
10.     <environments default="development">  
11.         <environment id="development">  
12.             <transactionManager type="JDBC" />  
13.             <dataSource type="POOLED">  
14.                 <property name="driver" value="${driver}" />  
15.                 <property name="url" value="${url}" />  
16.                 <property name="username" value="${dbuser}" />  
17.                 <property name="password" value="${dbpassword}" />  
18.             </dataSource>  
19.         </environment>  
20.     </environments>  
21.     <mappers>  
22.         <mapper resource="com/apps/dao/RemainDao.xml"/>  
23.         <mapper resource="com/apps/dao/WorkSpaceDao.xml"/>  
24.     </mappers>     
25. </configuration>  

之后可以通过.........