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ÇóÖú£ºcastorÖб¨ unable to find FieldDescriptor µÄ´íÎó ±¾ÈËÕýÔÚʹÓÃcastor²Ù×÷xmlÎļþ¡£½øÐÐÊý¾ÝµÄ¶ÁºÍд¡£µ«Óöµ½À§ÄÑ£º ÎÒµÄxmlÎļþ£ºbackupInfo.xml <?xml version="1.0"?> <BackupInfoRecoed name = "This is a list of backup info">     <BackupInfo name = "1">   <backupDate>20060505</backupDate>   <filepath>deploybed/backup/1</filepath>   <description>this is no. 1</description>   </BackupInfo>      <BackupInfo name = "2">   <backupDate>20060508</backupDate>   <filepath>deploybed/backup/2</filepath>   <description>this is no. 2</description>   </BackupInfo>   </BackupInfoRecoed> ÎÒµÄmappingÎļþ£ºbackupMapping.xml <?xml version="1.0"?> <!DOCTYPE mapping PUBLIC "-//EXOLAB/Castor Object Mapping DTD Version 1.0//EN" "http://castor.exolab.org/mapping.dtd"> <mapping>     <class name="com.workssys.aunm.commons.pojo.BackupInfo">   <field name="name" type="string">   <bind-xml name="name" node="attribute" />   </field>   <field name="backupDate" type="string" />   <field name="filepath" type="string" />   <field name="description" type="string" />  </class>     <class name="com.workssys.aunm.commons.pojo.BackupInfoRecoed">   <field name="name" type="string">   <bind-xml name="name" node="attribute" />   </field>   <field name="backupInfos" type="com.workssys.aunm.commons.pojo.BackupInfo" collection="collection" />  </class>   </mapping> BackupInfo bean:(getterºÍsetter·½·¨Ê¡ÂÔ)     String name;     String backupDate;     String filepath;     String description; BackupInfoRecoed bean:(getterºÍsetter·½·¨Ê¡ÂÔ)     String name     List backupInfos = new ArrayList(); ¶ÁÈ¡xmlµÄ´úÂ룺          Mapping mapping = new Mapping();          mapping.loadMapping("backupMapping.xml");          Unmarshaller un = new Unmarshaller(BackupInfoRecoed.class);          un.setMapping(mapping);                            //-- Read in the Addressbook using the mapping          FileReader in = new FileReader("backupInfo.xml");          //un.setIgnoreExtraElements(true);          BackupInfoRecoed backupRec = (BackupInfoRecoed) un.unmarshal(in); Ö´ÐÐ×îºóÒ»¾äʱ±¨´í£º unable to find FieldDescriptor for 'BackupInfo' in ClassDescriptor of backup-info-           recoed{file: [not available]; line: 5; column: 26}      at org.exolab.castor.xml.Unmarshaller.unmarshal(Unmarshaller.java:671)      at org.exolab.castor.xml.Unmarshaller.unmarshal(Unmarshaller.java:565) ÇëÇó°ïÖúÈçºÎ½â¾ö¸ÃÎÊÌâ¡£    Êղؠ  ·ÖÏí   ¶¥(0)