我正在尝试让ApacheHadoop1.21运行，但我遇到了这个异常:FailedtosetsetXIncludeAware(true)forparserorg.apache.xerces.jaxp.DocumentBuilderFactoryImplorg.apache.xerces.jaxp.DocumentBuilderFactoryImpl@2662e5cf:java.lang.UnsupportedOperationException完整的堆栈跟踪:13/10/1717:22:52ERRORconf.Configuration:FailedtosetsetXIncludeAw