我们正在努力追踪一个错误。我们在日志中收到上述错误。
谁能解释一下这条消息的含义吗?收到此消息有什么典型原因吗?
堆栈跟踪是:
org.apache.axiom.om.OMException: java.lang.IllegalArgumentException: local part cannot be "null" when creating a QName
at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:206)
at org.apache.axiom.om.impl.llom.OMNodeImpl.build(OMNodeImpl.java:318)
at org.apache.axiom.om.impl.llom.OMElementImpl.build(OMElementImpl.java:618)
at org.apache.axis2.jaxws.message.util.impl.SAAJConverterImpl.toOM(SAAJConverterImpl.java:147)
at org.apache.axis2.jaxws.message.impl.XMLPartImpl._convertSE2OM(XMLPartImpl.java:77)
at org.apache.axis2.jaxws.message.impl.XMLPartBase.getContentAsOMElement(XMLPartBase.java:203)
at org.apache.axis2.jaxws.message.impl.XMLPartBase.getAsOMElement(XMLPartBase.java:255)
at org.apache.axis2.jaxws.message.impl.MessageImpl.getAsOMElement(MessageImpl.java:464)
at org.apache.axis2.jaxws.message.util.MessageUtils.putMessageOnMessageContext(MessageUtils.java:202)
at org.apache.axis2.jaxws.core.controller.AxisInvocationController.prepareRequest(AxisInvocationController.java:370)
at org.apache.axis2.jaxws.core.controller.InvocationController.invoke(InvocationController.java:120)
at org.apache.axis2.jaxws.client.proxy.JAXWSProxyHandler.invokeSEIMethod(JAXWSProxyHandler.java:317)
at org.apache.axis2.jaxws.client.proxy.JAXWSProxyHandler.invoke(JAXWSProxyHandler.java:148)
在尝试从字符串构造 org.w3c.dom.Document 时,我收到了相同的错误消息(创建 QName 时本地部分不能为“null”)。在 DocumentBuilderFactory 上调用 setNamespaceAware(true) 后问题就消失了。下面给出了工作代码片段。
private static Document getDocumentFromString(final String xmlContent)
throws Exception
{
DocumentBuilderFactory documentBuilderFactory =
DocumentBuilderFactory.newInstance();
documentBuilderFactory.setNamespaceAware(true);
try
{
return documentBuilderFactory
.newDocumentBuilder()
.parse(new InputSource(new StringReader(xmlContent)));
}
catch (Exception e)
{
throw new RuntimeException(e);
}
}
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