On Fri, Aug 13, 2010 at 5:25 AM, Brent Daniel <[email protected]>wrote:
> 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 >> > > Doh, well spotted Brent. I wonder if we can raise a warning when you try to use a remote binding with a non-remote interface? Simon -- Apache Tuscany committer: tuscany.apache.org Co-author of a book about Tuscany and SCA: tuscanyinaction.com
