WebLogic发布点Activate Changes时候出错：java.lang.LinkageError: loader constraint violation: loader

来源：互联网发布：做彩页用什么软件编辑：程序博客网时间：2024/04/27 16:09

环境：Linux+WebLogic10.3.0.0
在项目的WEB-INF目录下，有如下weblogic.xml文件

<?xml version="1.0" encoding="UTF-8"?>  <weblogic-web-app  xmlns="http://www.bea.com/ns/weblogic/weblogic-web-app"    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"      xsi:schemaLocation="http://java.sun.com/xml/ns/javaee  http://java.sun.com/xml/ns/javaee/ejb-jar_3_0.xsd">       <container-descriptor>        <prefer-web-inf-classes>true</prefer-web-inf-classes>    </container-descriptor></weblogic-web-app>

WebLogic里发布，如果在Linux命令行下发布，停止再启动就正常。
如果在控制台里发布，点update后，最后在点Activate Changes时候，出错，Log如下：

<2016-3-29 下午06时08分55秒 CST> <Warning> <HTTP> <BEA-101162> <User defined listener org.springframework.web.context.ContextLoaderListener failed: org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from file [/opt/bea/user_projects/domains/domain7006/CEACCSVR/WEB-INF/classes/applicationContext-cxf.xml]; nested exception is java.lang.LinkageError: loader constraint violation: loader (instance of weblogic/utils/classloaders/ChangeAwareClassLoader) previously initiated loading for a different type with name "org/w3c/dom/UserDataHandler".org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from file [/opt/bea/user_projects/domains/domain7006/CEACCSVR/WEB-INF/classes/applicationContext-cxf.xml]; nested exception is java.lang.LinkageError: loader constraint violation: loader (instance of weblogic/utils/classloaders/ChangeAwareClassLoader) previously initiated loading for a different type with name "org/w3c/dom/UserDataHandler"at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:420)at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:342)at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:310)at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)Truncated. see log file for complete stacktracejava.lang.LinkageError: loader constraint violation: loader (instance of weblogic/utils/classloaders/ChangeAwareClassLoader) previously initiated loading for a different type with name "org/w3c/dom/UserDataHandler"at java.lang.ClassLoader.defineClass1(Native Method)at java.lang.ClassLoader.defineClass(ClassLoader.java:620)at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)at weblogic.utils.classloaders.GenericClassLoader.defineClass(GenericClassLoader.java:335)at weblogic.utils.classloaders.GenericClassLoader.findLocalClass(GenericClassLoader.java:288)Truncated. see log file for complete stacktrace

毫无疑问又是包冲突了，我查找下我的jar包里哪个含有“org/w3c/dom/UserDataHandler”，最后找到了jaxen-1.1.2.jar，删除后再点Activate Changes，就OK了

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