thank a lot! Chen -----Original Message----- From: Gregor Kova [mailto:[EMAIL PROTECTED]] Sent: Monday, September 23, 2002 7:34 AM To: [EMAIL PROTECTED] Subject: Re: Unable to create JavaBean of type... maybe a name space problem Hi! As the exception says the bean must have a default constructor and set/get methods for fields if you want to use the BeanSerializer, otherwie you can write your own serialider/deserializer. Best regards, Kovi At 02:39 23.9.2002 +0200, you wrote: >Hi, all. > >my client throws a SAXException as bellow: > >org.xml.sax.SAXException: Unable to create JavaBean of type >de.uni.karlsruhe.info.telematik.snmp.client.Task. Missing default >constructor? Error was: java.lang.InstantiationException: >de.uni.karlsruhe.info.telematik.snmp.client.Task. > at > org.apache.axis.message.SOAPFaultBuilder.endElement(SOAPFaultBuilder.java:135) > at > >org.apache.axis.encoding.DeserializationContextImpl.endElement(DeserializationContextImpl.java:904) > > at > org.apache.xerces.parsers.SAXParser.endElement(SAXParser.java:1403) > at > >org.apache.xerces.validators.common.XMLValidator.callEndElement(XMLValidator.java:1550) > > at > >org.apache.xerces.framework.XMLDocumentScanner$ContentDispatcher.dispatch(XMLDocumentScanner.java:1204) > > at > >org.apache.xerces.framework.XMLDocumentScanner.parseSome(XMLDocumentScanner.java:381) > at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:1098) > at javax.xml.parsers.SAXParser.parse(SAXParser.java:345) > at > >org.apache.axis.encoding.DeserializationContextImpl.parse(DeserializationContextImpl.java:213) > > at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:457) > at org.apache.axis.Message.getSOAPEnvelope(Message.java:362) > at org.apache.axis.client.Call.invokeEngine(Call.java:2046) > at org.apache.axis.client.Call.invoke(Call.java:2016) > at org.apache.axis.client.Call.invoke(Call.java:1786) > at org.apache.axis.client.Call.invoke(Call.java:1711) > at org.apache.axis.client.Call.invoke(Call.java:1251) > at > de.uni.karlsruhe.info.telematik.snmp.client.SClient.run(SClient.java:72) >Error : org.xml.sax.SAXException: Unable to create JavaBean of type >de.uni.karlsruhe.info.telematik.snmp.client.Task. Missing default >constructor? Error was: java.lang.InstantiationException: >de.uni.karlsruhe.info.telematik.snmp.client.Task. > >my service data is de.uni.karlsruhe.info.telematik.snmp.service.SnmpService >and the bean class is de.uni.karlsruhe.info.telematik.snmp.client.Task > >and my descriptor file is as bellow: > ><deployment xmlns="http://xml.apache.org/axis/wsdd/"; > xmlns:java="http://xml.apache.org/axis/wsdd/providers/java";> > > <service name="SnmpService" provider="java:RPC"> > <parameter name="className" > value="de.uni.karlsruhe.info.telematik.snmp.service.SnmpService"/> > <parameter name="allowedMethods" value="*"/> > <parameter name="scope" value="session"/> > > <beanMapping qname="myNS:Task" xmlns:myNS="SnmpService" > >languageSpecificType="java:de.uni.karlsruhe.info.telematik.snmp.client.Task"/> > </service> ></deployment> > >It seems that the axis can not find the >de.uni.karlsruhe.info.telematik.snmp.client.Task, is it a name space problem? > >Please help me on this on this. >need desperately >Thanks a lot! > >Chen
