InvalidMappingException提示Could not parse mapping document错误的解决方法

转自：http://www.itzhai.com/invalidmappingexception-could-not-parse-mapping-document-prompt-the-wrong-solution.html

org.hibernate.InvalidMappingException: Could not parse mapping document from resource …(错误的xml文件)

出现这样的错误一般是映射文件中映射出错了，找到错误提示resource 后面提示的xml文件，对应POJO对象逐个检查，看是否遗漏了某些属性的配置，或者写错了。

举个例子：

package com.exam.entity;
import java.util.Set;
public class SubjectChapter {
	private int chapterId;
	private String chapterName;
	private Subject subject;
	private int chapterNum;
	private Set question;
	public int getChapterId() {
		return chapterId;
	}
	public void setChapterId(int chapterId) {
		this.chapterId = chapterId;
	}
	public String getChapterName() {
		return chapterName;
	}
	public void setChapterName(String chapterName) {
		this.chapterName = chapterName;
	}
	public Subject getSubject() {
		return subject;
	}
	public void setSubject(Subject subject) {
		this.subject = subject;
	}
	public int getChapterNum() {
		return chapterNum;
	}
	public void setChapterNum(int chapterNum) {
		this.chapterNum = chapterNum;
	}
	public Set getQuestion() {
		return question;
	}
	public void setQuestion(Set question) {
		this.question = question;
	}
}

<hibernate-mapping package="com.exam.entity">
	<class name="SubjectChapter" table="exam_subject_chapter">
		<id name="chapterId" column="chapter_id">
			<generator class="increment" />
		</id>
		<property name="chapterName" column="chapter_name"/>
		<many-to-one name="subject" column="subject_id" cascade="all"/>
		<property name="chapterNum" column="chapter_num"/>
		<set name="question" inverse="true">
			<key column="subject_chapter_id"/>
			<one-to-many class="Question"/>
		</set>

	</class>
</hibernate-mapping>

这里原本少写了chapterNum的映射，导致该错误的出现。