Serialize exceptions to JSON with spring-mvc

Question

@RequestMapping(..)
@ResponseBody
public SearchResponse search(SearchRequest request) throws SearchException { .. }

I want to return to the requester:

JSON-serialized search response in case everything is fine
JSON-serialized exception details if SearchException is thrown.

The first part works fine (having Jackson on the classpath and <mvc:annotation-driven />) but I don't see an easy way to serialize the exception as json.

I can register a custom handler, and write a JSON string from there, but I may also need XML serialization, which will mean I'll need conditionals in the handler. Isn't there something ready for that?

See stackoverflow.com/questions/4948627/…

axtavt
– axtavt

2011-05-16 08:58:20 +00:00
Commented May 16, 2011 at 8:58 — axtavt
– axtavt, Commented May 16, 2011 at 8:58

Community · Accepted Answer · 2017-05-23 12:22:58Z

4

Here's what worked: I took axtavt's suggestion (annotating it with @Component), and added this method to the controller:

@ExceptionHandler(CustomException.class)
public @ResponseBody CustomException handleException(CustomException ex) {
    return ex;
}

edited May 23, 2017 at 12:22

CommunityBot

11 silver badge

answered May 16, 2011 at 12:19

Bozho

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1 Comment

Johann Goulley Over a year ago

It works since Spring 3.1, it doesn't work under Spring 3.0 : jira.spring.io/browse/SPR-6902

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