java.io.IOException：服务器返回HTTP响应代码：503为URL：http：//www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd

在以下代码中：

private Document transformDoc(Source source) throws TransformerException, IOException { TransformerFactory factory = TransformerFactory.newInstance(); Transformer transformer = factory.newTransformer(new StreamSource(xsltResource.getInputStream())); JDOMResult result = new JDOMResult(); transformer.transform(source, result); return result.getDocument(); } 

我得到这个例外：

 java.io.IOException: Server returned HTTP response code: 503 for URL: http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd 

我通过xsl翻译的XHTML是：

        
Test Content
   

如何阻止xalan变压器打电话回家？

Answer 1

来自Xalan-J邮件列表的这篇文章表明，“正确的方法”是您自己配置底层的Source / Reader以禁用validation。

Answer 2

在解析器中禁用DTD解析（特定于解析器）或设置空实体解析器。

复制自http://www.jdom.org/docs/faq.html#a0350 ：

 public class NoOpEntityResolver implements EntityResolver { public InputSource resolveEntity(String publicId, String systemId) { return new InputSource(new StringBufferInputStream("")); } } // Then in the builder... builder.setEntityResolver(new NoOpEntityResolver());