What technology are you using to serialize your data to JSON? Do you have a code example?
Andrus > On Jan 9, 2018, at 9:24 AM, Fredrik Widengren <[email protected]> > wrote: > > Hello Frank > Thanks for your mail. > They automatically included when running Spring Boot as I understand. Also > the ”Hello World” example is running fine, and that one returns the answer in > JSON. > > /Fredrik > > Skickat från min iPhone > >> 8 jan. 2018 kl. 23:07 skrev Frank Herrmann >> <[email protected]>: >> >> Do you have the Jackson libraries included in your project? They are >> normally needed for JSON serialization/deserialization. >> >> On Mon, Jan 8, 2018 at 4:52 PM, Fredrik Widengren < >> [email protected]> wrote: >> >>> Hello, >>> >>> I'm testing to setup Cayenne with Spring Boot. I have created a simple >>> REST service. Spring is working fine with a Hello World example from >>> Spring.io. >>> >>> When I try to send back my cayenne objects that I have generated from >>> the Cayenne modeller, I get an exception that it can’t find a JSON >>> serializer. >>> >>> Error: >>> Could not write JSON: No serializer found for class >>> org.apache.cayenne.tx.TransactionFilter >>> >>> I have read that a common reason for this is that the class that you >>> try to serialize does not have any public getters/setters. The >>> generated classes (in the auto package) from the modeller that extends >>> CayenneDataObject do have these public getters/setters. The class is >>> however abstract, but I'm using the class created by the modeller that >>> extends the abstract modeller class. >>> >>> Anyone that have any experience from Cayenne and Spring that have some >>> input? >>> >>> Many thanks! >>> >>> /Fredrik >>> >> >> >> >> -- >> FRANK HERRMANN >> SENIOR SOFTWARE ENGINEER >> >> T: 561-880-2998 x1563 >> >> E: [email protected] >> >> >> >> [image: [ Modernizing Medicine ]] <https://www.modmed.com/> >> [image: [ Facebook ]] <https://www.facebook.com/modernizingmedicine> [image: >> [ LinkedIn ]] <https://www.linkedin.com/company/modernizing-medicine/> >> [image: >> [ YouTube ]] <https://www.youtube.com/user/modernizingmedicine> [image: [ >> Twitter ]] <https://twitter.com/modmed> [image: [ Blog ]] >> <https://www.modmed.com/BlogBeyondEMR> [image: [ Instagram ]] >> <https://instagram.com/modernizing_medicine> >> >> [image: [ MOMENTUM 2017 ]] <https://www.eventproducers.events/momentum2017/>
