javax.xml.parsers.FactoryConfigurationError錯誤分析

2008-10-2 15:34:36 org.springframework.context.support.AbstractApplicationContext prepareRefresh 
資訊: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@1960f05: display name [org.springframework.context.support.ClassPathXmlApplicationContext@1960f05]; startup date [Thu Oct 02 15:34:36 CST 2008]; root of context hierarchy 
2008-10-2 15:34:36 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions 
資訊: Loading XML bean definitions from class path resource [beanRefClient.xml] 
Exception in thread "main" org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from class path resource [beanRefClient.xml]; nested exception is javax.xml.parsers.FactoryConfigurationError: Provider org.apache.xerces.jaxp.DocumentBuilderFactoryImpl
not found 
Caused by: javax.xml.parsers.FactoryConfigurationError: Provider org.apache.xerces.jaxp.DocumentBuilderFactoryImpl not found 
at javax.xml.parsers.DocumentBuilderFactory.newInstance(Unknown Source) 
at org.springframework.beans.factory.xml.DefaultDocumentLoader.createDocumentBuilderFactory(DefaultDocumentLoader.java:87)
at org.springframework.beans.factory.xml.DefaultDocumentLoader.loadDocument(DefaultDocumentLoader.java:68)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:361)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:313)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:290)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:131)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:147)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:173)
at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:112)
at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:79)
at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:101)
at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:394)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:324) 
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:122) 
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:66) 
at ws.cxf.client.SurveyServiceClient.main(SurveyServiceClient.java:22) 

解決方案 設定兩個屬性(javax.xml.parsers.DocumentBuilderFactory,javax.xml.parsers.SAXParserFactory)值如下: 
System.setProperty("javax.xml.parsers.DocumentBuilderFactory", 
       "com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl"); 
System.setProperty("javax.xml.parsers.SAXParserFactory", 
       "com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl"); 
再運行就沒有錯了. 

最後發現原因是我使用MyEclipse建立項目時引用了J2EE 1.4 Library Container庫(JAVA構建路徑-->庫) 
使得sun.boot.class.path增加了myelipse下的jar檔案,然後就把javax.xml.parsers.DocumentBuilderFactory變數的值設為org.apache.xerces.jaxp.DocumentBuilderFactoryImpl 
即還有第二種解決方案,就是去掉J2EE 1.4 Library Container庫,編譯,再運行就沒有錯了. 

(JDK版本為1.5與6.0都測試通過). 

這是引用別人的一篇文章,我也出現過這樣的問題,後來將jdk與j2ee的順序交換之後解決了問題