The reference to entity “test” must end with the ';' delimiter 异常处理【转】

本文转自http://liuzhaodong89.iteye.com/blog/1559998； 

今天修改了配置文件中的一个配置项值，将原先的url连接中加入了一个&source=upload，结果在应用启动的时候报错了。错误栈如下：

 

Caused by: org.xml.sax.SAXParseException: The reference to entity "test" must end with the ';' delimiter.
        at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
        at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(Unknown Source)
        at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
        at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
        at org.apache.xerces.impl.XMLScanner.reportFatalError(Unknown Source)
        at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEntityReference(Unknown Source)
        at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
        at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
        at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
        at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
        at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
        at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
        at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)
        at org.springframework.beans.factory.xml.DefaultDocumentLoader.loadDocument(DefaultDocumentLoader.java:76)
        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:361)
        ... 176 more

上网google，发现是sax解析造成的问题。解决方案很简单，就是把配置项值中用到"&"的地方改成"&"。原因是sax解析的类库在读取文件的时候是根据转义后的格式进行读取的，遇到"&"就认为是一个转义字符串，开始找结束符";"，找不到自然就报错了。