The sample doesn't add the databinding to the chain because the AddService interface isn't marked with @Remotable. If you add that, it runs successfully.
In the error from 1.4 below, it looks like the JSON databinding may not be getting loaded. Is the tuscany-databinding-json JAR file on your classpath? Brent On Thu, Aug 12, 2010 at 9:29 AM, Simon Laws <[email protected]>wrote: > > > On Thu, Aug 12, 2010 at 2:29 PM, <[email protected]> wrote: > >> >> >> Hi, >> >> I did a test with the same app running in tuscany 1.4, all the paramaters >> seems to be the same, including the SMD, and the JSON object from the URL >> >> 1.4 - >> {"SMDVersion":".1","objectName":"AuthenticationService","serviceType":"JSON-RPC","serviceURL":" >> http://localhost:8080/eed-sca-services/AuthenticationComponent/authentication >> ","methods":[{"name":"logoutUser","parameters":[]},{"name":"authenticate","parameters":[{"name":"param0","type":"STRING"}]}]} >> >> 2.0 - >> {"SMDVersion":".1","objectName":"AuthenticationService","serviceType":"JSON-RPC","serviceURL":" >> http://localhost:8080/eed-sca-sample-service/AuthenticationComponent/AuthenticationService/authentication >> ","methods":[{"name":"logoutUser","parameters":[]},{"name":"authenticate","parameters":[{"name":"param0","type":"STRING"}]}]} >> >> >> and the JSON Object: >> >> 1.4 >> {"params":[{"intranetId":"[email protected]","firstName":"","lastName":"Grunin"}],"method":"authenticate","id":1} >> >> >> 2.0 - >> {"params":[{"intranetId":"[email protected]","firstName":"","lastName":"Grunin"}],"method":"authenticate","id":1} >> >> >> >> >> The error message changed to : >> >> >> No path found for the transformation: JSON->java:complexType" >> >> org.apache.tuscany.sca.databinding.TransformationException: No path found >> for the transformation: JSON->java:complexType at >> org.apache.tuscany.sca.databinding.impl.MediatorImpl.getTransformerChain(MediatorImpl.java:197) >> at >> org.apache.tuscany.sca.databinding.impl.MediatorImpl.mediate(MediatorImpl.java:104) >> at >> org.apache.tuscany.sca.core.databinding.transformers.Input2InputTransformer.transform(Input2InputTransformer.java:240) >> at >> org.apache.tuscany.sca.core.databinding.transformers.Input2InputTransformer.transform(Input2InputTransformer.java:45) >> at >> org.apache.tuscany.sca.databinding.DefaultTransformerExtensionPoint$LazyPullTransformer.transform(DefaultTransformerExtensionPoint.java:209) >> at >> org.apache.tuscany.sca.databinding.impl.MediatorImpl.mediate(MediatorImpl.java:116) >> at >> org.apache.tuscany.sca.databinding.impl.MediatorImpl.mediateInput(MediatorImpl.java:436) >> at >> org.apache.tuscany.sca.core.databinding.wire.DataTransformationInterceptor.invoke(DataTransformationInterceptor.java:64) >> at >> org.apache.tuscany.sca.binding.jsonrpc.provider.JSONRPCServiceServlet.handleJSONRPCMethodInvocation(JSONRPCServiceServlet.java:307) >> at >> org.apache.tuscany.sca.binding.jsonrpc.provider.JSONRPCServiceServlet.handleServiceRequest(JSONRPCServiceServlet.java:177) >> at >> org.apache.tuscany.sca.binding.jsonrpc.provider.JSONRPCServiceServlet.service(JSONRPCServiceServlet.java:96) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at >> org.apache.tuscany.sca.host.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:110) >> at >> org.apache.tuscany.sca.host.webapp.TuscanyServletFilter.doFilter(TuscanyServletFilter.java:94) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) >> at >> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) >> at >> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172) >> at >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) >> at >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) >> at >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) >> at >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) >> at >> org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:837) >> at >> org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:640) >> at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286) >> at java.lang.Thread.run(Thread.java:619) " >> >> >> >> >> >> *Simon Laws <[email protected]>* >> >> 12/08/2010 10:07 >> To >> Fabiano Amorim Oliveira/Brazil/i...@ibmbr >> cc >> Subject >> Re: DOJO and Tuscany 2.0 >> >> >> >> >> >> >> On Wed, Aug 11, 2010 at 8:33 PM, <*[email protected]*<[email protected]>> >> wrote: >> >> >> >> I could start the application without errors and executing a dojo sample >> base on what was provided. >> >> When executing a request for a json-rpc request : >> >> >> var authenticationService = new >> dojo.rpc.JsonService("AuthenticationComponent/AuthenticationService/authentication?smd"); >> the line above returns: >> {"SMDVersion":".1","objectName":"AuthenticationService","serviceType":"JSON-RPC","serviceURL":" >> * >> http://localhost:8080/eed-sca-sample-service/AuthenticationComponent/AuthenticationService/authentication >> *<http://localhost:8080/eed-sca-sample-service/AuthenticationComponent/AuthenticationService/authentication> >> ","methods":[{"name":"authenticate","parameters":[{"name":"param0","type":"STRING"}]},{"name":"logoutUser","parameters":[]}]} >> >> var userProfile = new Object(); >> userProfile.intranetId = "*[email protected]*<[email protected]> >> "; >> userProfile.firstName = "Galina"; >> userProfile.lastName = "Grunin"; >> >> authenticationService.authenticate(userProfile) >> >> {"params":[{"intranetId":"*[email protected]* <[email protected]> >> ","firstName":"Galina","lastName":"Grunin"}],"method":"authenticate","id":1} >> >> The userProfile object is translated into a json object as stated above. >> >> >> when executing the actual request it returns an error which I suspect is a >> internal databinding error >> >> error >> Object { trace="org.apache.tuscany.sca....ava:58)\r\n ... 27 more\r\n", >> more...} >> >> code >> 490 >> >> msg >> "org.codehaus.jackson.JsonParseException: Unexpected character ('U' (code >> 85)): expected a valid value (number, String, array, object, 'true', 'false' >> or 'null') at [Source: java.io.stringrea...@17fc253; line: 1, column: 2]" >> >> >> trace >> "org.apache.tuscany.sca.databinding.TransformationException: >> org.codehaus.jackson.JsonParseException: Unexpected character ('U' (code >> 85)): expected a valid value (number, String, array, object, 'true', 'false' >> or 'null') at [Source: java.io.stringrea...@17fc253; line: 1, column: 2] >> at >> org.apache.tuscany.sca.databinding.json.jackson.JSON2Object.transform(JSON2Object.java:61) >> at >> org.apache.tuscany.sca.databinding.DefaultTransformerExtensionPoint$LazyPullTransformer.transform(DefaultTransformerExtensionPoint.java:209) >> at >> org.apache.tuscany.sca.databinding.impl.MediatorImpl.mediate(MediatorImpl.java:116) >> at >> org.apache.tuscany.sca.core.databinding.transformers.Input2InputTransformer.transform(Input2InputTransformer.java:240) >> at >> org.apache.tuscany.sca.core.databinding.transformers.Input2InputTransformer.transform(Input2InputTransformer.java:45) >> at >> org.apache.tuscany.sca.databinding.DefaultTransformerExtensionPoint$LazyPullTransformer.transform(DefaultTransformerExtensionPoint.java:209) >> at >> org.apache.tuscany.sca.databinding.impl.MediatorImpl.mediate(MediatorImpl.java:116) >> at >> org.apache.tuscany.sca.databinding.impl.MediatorImpl.mediateInput(MediatorImpl.java:436) >> at >> org.apache.tuscany.sca.core.databinding.wire.DataTransformationInterceptor.invoke(DataTransformationInterceptor.java:64) >> at >> org.apache.tuscany.sca.core.databinding.wire.DataTransformationInterceptor.invoke(DataTransformationInterceptor.java:66) >> at >> org.apache.tuscany.sca.binding.jsonrpc.provider.JSONRPCServiceServlet.handleJSONRPCMethodInvocation(JSONRPCServiceServlet.java:307) >> at >> org.apache.tuscany.sca.binding.jsonrpc.provider.JSONRPCServiceServlet.handleServiceRequest(JSONRPCServiceServlet.java:177) >> at >> org.apache.tuscany.sca.binding.jsonrpc.provider.JSONRPCServiceServlet.service(JSONRPCServiceServlet.java:96) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at >> org.apache.tuscany.sca.host.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:110) >> at >> org.apache.tuscany.sca.host.webapp.TuscanyServletFilter.doFilter(TuscanyServletFilter.java:94) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) >> at >> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) >> at >> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172) >> at >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) >> at >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) >> at >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) >> at >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) >> at >> org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:837) >> at >> org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:640) >> at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286) >> at java.lang.Thread.run(Thread.java:619) Caused by: >> org.codehaus.jackson.JsonParseException: Unexpected character ('U' (code >> 85)): expected a valid value (number, String, array, object, 'true', 'false' >> or 'null') at [Source: java.io.stringrea...@17fc253; line: 1, column: 2] >> at org.codehaus.jackson.JsonParser._constructError(JsonParser.java:943) at >> org.codehaus.jackson.impl.JsonParserBase._reportError(JsonParserBase.java:632) >> at >> org.codehaus.jackson.impl.JsonParserBase._reportUnexpectedChar(JsonParserBase.java:565) >> at >> org.codehaus.jackson.impl.ReaderBasedParser._handleUnexpectedValue(ReaderBasedParser.java:429) >> at >> org.codehaus.jackson.impl.ReaderBasedParser.nextToken(ReaderBasedParser.java:192) >> at >> org.codehaus.jackson.map.ObjectMapper._initForReading(ObjectMapper.java:1625) >> at >> org.codehaus.jackson.map.ObjectMapper._readMapAndClose(ObjectMapper.java:1580) >> at org.codehaus.jackson.map.ObjectMapper.readValue(ObjectMapper.java:1130) >> at >> org.apache.tuscany.sca.databinding.json.jackson.JSON2Object.transform(JSON2Object.java:58) >> ... 27 more >> >> >> >> Hi Fabiano >> >> I'd first note that the input parameters that you report don't match the >> required parameters as defined in the SMD that you provide. Having said that >> that doesn't really explain why it's complaining about a "U" character as I >> can't obviously see a "U" character in what you've reported. What I would do >> to debug this is the following. >> >> 1. Make the parameters provided by the client match the parameters >> required by the server >> >> If this doesn't get you any further >> >> 2. trap the message on the wire with an HTTP sniffer to get a definitive >> view of what characters the client is actually sending >> 3. debug the jsonrpc binding to see what characters are presented as the >> array of message parameters added to the Tuscany message structure >> 4. debug the databinding transformer (from your stack >> org.apache.tuscany.sca.databinding.json.jackson.JSON2Object) to see what >> data the transformer is operating on. >> >> Doing a quick Google this doesn't seem to be an obvious issue with >> Jackson. >> >> Regards >> >> Simon >> >> -- >> Apache Tuscany committer: *tuscany.apache.org*<http://tuscany.apache.org/> >> Co-author of a book about Tuscany and SCA: >> *tuscanyinaction.com*<http://tuscanyinaction.com/> >> > > I created a simple JSONRPC sample for Tuscany based on the calculator > sample and made the add method take a complex type. This doesn't work > seemingly because the server is no applying a JSON databinding when it > should. The result it that it tries to call a Java method with a JSONObject > parameter. This doesn't lead to happiness. > > > Simon > -- > Apache Tuscany committer: tuscany.apache.org > Co-author of a book about Tuscany and SCA: tuscanyinaction.com >
