Works like a charm! Thanks! -----Original Message----- From: Justin Edelson [mailto:justinedel...@gmail.com] Sent: Monday, December 14, 2009 11:57 AM To: us...@felix.apache.org Subject: Re: DOSGi w/ Custom Type
Joel- This is a completely random and less-than-educated guess, but have you tried adding a zero-arg constructor to WsType? IIRC, Aegis (like most databinding frameworks) requires a default constructor. Justin On Mon, Dec 14, 2009 at 12:32 PM, Joel Schuster <jo...@navsys.com> wrote: > I have a problem with a 'slightly' more complex type than based Java types > in my exposed web service that doesn't seem to work. > > Here's the setup: > > I have a simple server that has as a return type a 'custom' type that wraps > a string for this example. > > The server bundles deploy fine, and the web service works great from the > Eclipse Web Services Explorer. > > When I try to bring up the Client in different instance of felix things > start falling apart. If I don't use a custom type... use String for instance > everything works fine. > > However, when I use my custom type I get this error on the actual call to > the server, not at Binding/Wiring time. > > Dec 14, 2009 10:01:34 AM org.apache.cxf.phase.PhaseInterceptorChain > doIntercept > INFO: Interceptor has thrown exception, unwinding now > org.apache.cxf.interceptor.Fault: Couldn't instantiate class. > example.wstype.WsType. Nested exception is java.lang.InstantiationException: > example.wstype.WsType > at > org.apache.cxf.aegis.databinding.XMLStreamDataReader.read(XMLStreamDataReader.java:63)... > > So, I figured I'd cheat and placed the package that contains the type into > the felix org.osgi.framework.system.packages.extra property. I get the same > error. > > The following is the source if anyone else wants to give it a try. Yes, I'm > using iPOJO. > > Oh yeah, here's the an important line from the example.wsserver bundle: > Export-Package: example.wsserver.*, example.wstype.* > > I can't imagine that I'm the first person to deal with this, so my > assumption is that I'm doing something wrong. Based on my reading, I may > have to add some mapping info to the AegisContext... but I can't figure out > how to do that in an OSGi/Felix way. > > Any help would be greatly appreciated. I would maybe suggest expanding the > iPOJO w/ DOSGi example here ( > http://felix.apache.org/site/apache-felix-ipojo-dosgi.html) to include a > complex type as an in/out parameter. > > Interface bundle: example.wsserver > > package example.wsserver; > > import example.wstype.WsType; > > public interface Server { > > WsType getSomething( String string); > > } > > package example.wstype; > > import java.io.Serializable; > > public class WsType implements Serializable { > > private static final long serialVersionUID = 1L; > > private String astring; > > public String getAstring() { > return astring; > } > > public void setAstring(String astring) { > this.astring = astring; > } > > public WsType( String astring) { > this.astring = astring; > } > > } > > Server Implementation bundle: example.wsserverimpl > > package example.wsserverimpl; > > import org.apache.felix.ipojo.annotations.Component; > import org.apache.felix.ipojo.annotations.Provides; > > import example.wsserver.Server; > import example.wstype.WsType; > > @Component( propagation=true) > @Provides > public class ServerImpl implements Server { > > @Override > public WsType getSomething(String string) { > return new WsType( "echo: " + string); > } > > } > > Client Implementation bundle: example.wsclient > > package example.wsclient; > > import org.apache.felix.ipojo.annotations.Component; > import org.apache.felix.ipojo.annotations.Invalidate; > import org.apache.felix.ipojo.annotations.Requires; > import org.apache.felix.ipojo.annotations.Validate; > import org.osgi.service.log.LogService; > > import example.wsserver.Server; > import example.wstype.WsType; > > @Component > public class Client { > > private volatile boolean running = false; > > @Requires > private Server server; > > @Requires > private LogService log; > > @Validate > public void start() { > > log.log( LogService.LOG_INFO, "Client start()"); > > new Thread( new Runnable() { > > @Override > public void run() { > > log.log( LogService.LOG_INFO, "Client run()"); > > running = true; > > while( running) { > > log.log( LogService.LOG_INFO, "Client > running()"); > > WsType wsType = server.getSomething( "Hello"); > log.log( LogService.LOG_INFO, > wsType.getAstring()); > try { > Thread.sleep( 5000); > } catch (InterruptedException e) { > log.log( LogService.LOG_ERROR, "Bad > Sleep", e); > } > } > > log.log( LogService.LOG_INFO, "Client exit()"); > > } > }).start(); > } > > @Invalidate > public void stop() { > running = false; > } > > } > > >
