Tag Archives: XML

Different SOAP encoding styles – RPC, RPC-literal, and document-literal

SOAP uses XML to marshal data that is transported to a software application.  Since SOAP’s introduction, three SOAP encoding styles have become popular and are reliably implemented across software vendors and technology providers: SOAP Remote Procedure Call (RPC) encoding, also known as Section 5 encoding, which is defined by the SOAP 1.1 specification SOAP Remote Procedure Call Literal […]

Contract-first Web Services: What are the different ways to define XML data contract?

I was glancing through Spring Web Services v2.0 framework reference tutorial today, and found an interesting piece of information that I’m gonna share with you all here: While writing contract-first web services i.e. developing web services that start with the XML Schema/WSDL contract first followed by the Java code second, there are four different ways […]

java.lang.ClassCastException: [ServletName] cannot be cast to javax.servlet.Servlet: How to resolve?

When I was using tomcat-maven-plugin to test an app I worked on in embedded tomcat , it was erroring out with the following message: INFO: Marking servlet TestWebServiceServlet as unavailable Jun 17, 2011 4:01:48 PM org.apache.catalina.core.StandardContext loadOnStartup SEVERE: Servlet /cxf threw load() exception java.lang.ClassCastException: test.ws.TestWebServiceServlet cannot be cast to javax.servlet.Servlet at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1104) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:981) at […]

WSDLToJava Error: Rpc/encoded wsdls are not supported with CXF

RPC/encoded is a vestige from before SOAP objects were defined with XML Schema. It’s not widely supported anymore. You will need to generate the stubs using Apache Axis 1.0, which is from the same era. java org.apache.axis.wsdl.WSDL2Java http://someurl?WSDL You will need the following jars or equivalents in the -cp classpath param: axis-1.4.jar commons-logging-1.1.ja commons-discovery-0.2.jar jaxrpc-1.1.jar saaj-1.1.jar wsdl4j-1.4.jar activation-1.1.jar […]

Resolving SOAPFaultException caused by com.ctc.wstx.exc.WstxUnexpectedCharException

If you’re using any of these for Web Services – Axis2, CXF etc. – that internally makes use of Woodstox XML processor (wstx), and getting an exception like this during webservice calls, the problem is that the wstx tokenizer/parser encountered unexpected (but not necessarily invalid per se) character; character that is not legal in current […]