Running the identical code on the current checkout of Branch_4_0 gives me an exception not seen with our current production version JBoss-4.0.4-GA. 2006-11-20 21:46:32,954 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/mbi-ws/mbi2e-lafr-sb2000-ipc/core].[MessageServiceWS]] Servlet.service() for servlet MessageServiceWS threw exception | java.lang.ExceptionInInitializerError | at java.lang.Class.forName0(Native Method) | at java.lang.Class.forName(Class.java:164) | at org.jboss.ws.soap.attachment.ContentHandlerRegistry.<clinit>(ContentHandlerRegistry.java:51) | at org.jboss.ws.xop.XOPUnmarshallerImpl.<clinit>(XOPUnmarshallerImpl.java:59) | at org.jboss.ws.jaxb.JBossXBUnmarshallerImpl.unmarshal(JBossXBUnmarshallerImpl.java:60) | at org.jboss.ws.jaxrpc.encoding.JAXBDeserializer.deserialize(JAXBDeserializer.java:92) | at org.jboss.ws.soap.SOAPContentElement.getObjectValue(SOAPContentElement.java:235) | at org.jboss.ws.binding.EndpointInvocation.transformPayloadValue(EndpointInvocation.java:233) | at org.jboss.ws.binding.EndpointInvocation.getRequestParamValue(EndpointInvocation.java:103) | at org.jboss.ws.binding.EndpointInvocation.getRequestPayload(EndpointInvocation.java:117) | at org.jboss.ws.server.ServiceEndpointInvokerJSE.invokeServiceEndpoint(ServiceEndpointInvokerJSE.java:94) | at org.jboss.ws.server.ServiceEndpointInvoker.invoke(ServiceEndpointInvoker.java:115) | at org.jboss.ws.server.ServiceEndpoint.handleRequest(ServiceEndpoint.java:209) | at org.jboss.ws.server.ServiceEndpointManager.processSOAPRequest(ServiceEndpointManager.java:355) | at org.jboss.ws.server.StandardEndpointServlet.doPost(StandardEndpointServlet.java:115) | at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) | at org.jboss.ws.server.StandardEndpointServlet.service(StandardEndpointServlet.java:76) | at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) | at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156) | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) | at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) | at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) | at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) | at java.lang.Thread.run(Thread.java:595) | Caused by: java.lang.IllegalArgumentException: failed to parse:image/bmp, image/x-bmp, image/x-windows-bmp | at java.awt.datatransfer.DataFlavor.<init>(DataFlavor.java:292) | at javax.activation.ActivationDataFlavor.<init>(ActivationDataFlavor.java:81) | at org.jboss.ws.soap.attachment.ImageDataContentHandler.buildFlavors(ImageDataContentHandler.java:77) | at org.jboss.ws.soap.attachment.ImageDataContentHandler.<clinit>(ImageDataContentHandler.java:63) | But we don't use any attachments. What's wrong here or what did change here? How to avoid this error? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3987414#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...