AxisFault?faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.userException?faultSubcode:??faultString: java.lang.NullPointerException?faultActor:??faultNode:??faultDetail:? {http://xml.apache.org/axis/}hostname:web22071java.lang.NullPointerException at org.apache.axis.message.SOAPFaultBuilder.createFault(SOAPFaultBuilder.java:221) at org.apache.axis.message.SOAPFaultBuilder.endElement(SOAPFaultBuilder.java:128) at org.apache.axis.encoding.DeserializationContext.endElement(DeserializationContext.java:1083) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source) at javax.xml.parsers.SAXParser.parse(Unknown Source) at org.apache.axis.encoding.DeserializationContext.parse(DeserializationContext.java:226) at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:645) at org.apache.axis.Message.getSOAPEnvelope(Message.java:424) at org.apache.axis.handlers.soap.MustUnderstandChecker.invoke(MustUnderstandChecker.java:62) at org.apache.axis.client.AxisClient.invoke(AxisClient.java:173) at org.apache.axis.client.Call.invokeEngine(Call.java:2719) at org.apache.axis.client.Call.invoke(Call.java:2702) at org.apache.axis.client.Call.invoke(Call.java:2378) at org.apache.axis.client.Call.invoke(Call.java:2301) at org.apache.axis.client.Call.invoke(Call.java:1758) at com.friendship.util.UploadUtil.writeObjectOut(UploadUtil.java:48) at com.friendship.upload.UploadFileBySqlserver.uploadFile(UploadFileBySqlserver.java:110) at com.friendship.upload.UploadFileBySqlserver.run(UploadFileBySqlserver.java:46)? 向一個公共的接口傳送數據出現報錯，怎么解決 ，急求啊