[struts2]Provider org.apache.xalan.processor.TransformerFactoryImpl not found

[zhaoren liu]

Hi guys,

I am study Struts2. When I run struts-blank.war, I get some error trace. I
google internet but get nothing to solve this. Who can help me ?

Thanks.

javax.xml.transform.TransformerFactoryConfigurationError: Provider
org.apache.xalan.processor.TransformerFactoryImpl not found
        javax.xml.transform.TransformerFactory.newInstance(Unknown Source)
        
com.opensymphony.xwork2.util.DomHelper$DOMBuilder.<clinit>(DomHelper.java:121)
        com.opensymphony.xwork2.util.DomHelper.parse(DomHelper.java:98)
        
com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadConfigurationFiles(XmlConfigurationProvider.java:690)
        
com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.init(XmlConfigurationProvider.java:121)
        
com.opensymphony.xwork2.config.impl.DefaultConfiguration.reload(DefaultConfiguration.java:97)
        
com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:46)
        
org.apache.struts2.dispatcher.mapper.DefaultActionMapper.getMapping(DefaultActionMapper.java:238)
        
org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:227)

Thanks
Zhaoren