hi I am exposing ejb components as webservice.Initially i exposed one method as web method,that returns String.This works fine.Next i tried another method which returns array of objects.This leads to following error.... Caused by: javax.xml.rpc.JAXRPCException: org.jboss.xb.binding.JBossXBValueFormatException: Java value for XSD boolean type expected to be an instance of java.lang.Boolean or java.lang.Number. But the value is of type java.util.ArrayList at org.jboss.ws.soap.SOAPContentElement.write(SOAPContentElement.java:986) at org.jboss.ws.soap.SAAJElementWriter.writeElement(SAAJElementWriter.java:171) at org.jboss.ws.soap.SAAJElementWriter.writeElement(SAAJElementWriter.java:184) at org.jboss.ws.soap.SAAJElementWriter.writeElement(SAAJElementWriter.java:184) at org.jboss.ws.soap.SAAJElementWriter.writeElement(SAAJElementWriter.java:184) at org.jboss.ws.soap.SAAJElementWriter.printInternal(SAAJElementWriter.java:163) at org.jboss.ws.soap.SAAJElementWriter.print(SAAJElementWriter.java:142) at org.jboss.ws.soap.SAAJElementWriter.printSOAPElement(SAAJElementWriter.java:91) at org.jboss.ws.server.ServiceEndpoint.postProcessResponse(ServiceEndpoint.java:280) ... 25 more Caused by: org.jboss.xb.binding.JBossXBValueFormatException: Java value for XSD boolean type expected to be an instance of java.lang.Boolean or java.lang.Number. But the value is of type java.util.ArrayList at org.jboss.xb.binding.SimpleTypeBindings.marshal(SimpleTypeBindings.java:1120) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalCharacters(MarshallerImpl.java:995) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalSimpleType(MarshallerImpl.java:471) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalElementType(MarshallerImpl.java:415) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalElement(MarshallerImpl.java:331) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalElementOccurence(MarshallerImpl.java:311) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalParticle(MarshallerImpl.java:730) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalModelGroupSequence(MarshallerImpl.java:920) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalModelGroup(MarshallerImpl.java:860) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalParticle(MarshallerImpl.java:641) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalComplexType(MarshallerImpl.java:608) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalElementType(MarshallerImpl.java:419) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalElement(MarshallerImpl.java:331) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshalElementOccurence(MarshallerImpl.java:311) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshallInternal(MarshallerImpl.java:210) at org.jboss.xb.binding.sunday.marshalling.MarshallerImpl.marshal(MarshallerImpl.java:168) at org.jboss.ws.jaxb.JBossXBMarshallerImpl.marshal(JBossXBMarshallerImpl.java:146) at org.jboss.ws.jaxrpc.encoding.JAXBSerializer.serialize(JAXBSerializer.java:107) at org.jboss.ws.soap.SOAPContentElement.getXMLFragment(SOAPContentElement.java:157) at org.jboss.ws.soap.SOAPContentElement.expandToDOM(SOAPContentElement.java:817) at org.jboss.ws.soap.SOAPContentElement.handleMTOMTransitions(SOAPContentElement.java:1015) at org.jboss.ws.soap.SOAPContentElement.write(SOAPContentElement.java:968) ... 33 more could any body tell me what went wrong? in the wsdl doc, - its taking type as boolean but actaully it should be of type list.... i dont know where i went wrong....please anybody help me View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4059090#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...