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
