java.lang.LinkageError解决办法。

javax.faces.FacesException: java.lang.LinkageError: loader constraints violated when linking javax/el/ExpressionFactory class
	org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:425)
	org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:211)
	org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
	org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:216)
	org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
	org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:140)
	org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141)
	org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281)
 

 

错误的原因是tomcat/lib下的el-api.jar与项目WEB-INF/lib目录下的el-api.jar冲突。

把项目目录下的el-api.jar删除即可。

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