项目使用maven 构建，并且使用集成测试（integration-test）。
在命令行中运行mvn clean deploy tomcat:undeploy时，报错：
java.lang.NoClassDefFoundError: org/w3c/dom/ElementTraversal
java.lang.NoClassDefFoundError: org/w3c/dom/
ElementTraversal
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:
58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:
197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at org.apache.xerces.parsers.AbstractDOMParser.startDocument(Unknown Source)
at org.apache.xerces.impl.dtd.XMLDTDValidator.startDocument(Unknown Source)
at org.apache.xerces.impl.XMLDocumentScannerImpl.startEntity(Unknown Source)
at org.apache.xerces.impl.XMLVersionDetector.startDocumentParsing(Unknown Source)
解决方法:
在pom中添加依赖
<dependency>
<groupId>xml-apis</groupId>
<artifactId>xml-apis</artifactId>
<version>
1.4.
01</version>
</dependency>
详情请参阅
http://stackoverflow.com/questions/10234201/appengine-error-java-lang-noclassdeffounderror-org-w3c-dom-elementtraversal
转载于:https://www.cnblogs.com/qiyebao/p/5226875.html
