[jira] [Commented] (JOHNZON-345) StackOverflow when serializing Collection

["Markus Karg (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/JOHNZON-345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17360850#comment-17360850 ] 

Markus Karg commented on JOHNZON-345:
-------------------------------------

For backwards compatibility, unfortunately I need to patch my own version of Johnzon. It must work on old JSON-P 1.0 so I have to fork Johnzon 1.1 already, but it must have the patch for _this_ issue to make Collection<URL> work. Can you please kindly point me to the commit that I have to cherry-pick? That would be terrific!

> StackOverflow when serializing Collection<URL>
> ----------------------------------------------
>
>                 Key: JOHNZON-345
>                 URL: https://issues.apache.org/jira/browse/JOHNZON-345
>             Project: Johnzon
>          Issue Type: Bug
>          Components: JSON-B
>    Affects Versions: 1.2.11
>            Reporter: Markus Karg
>            Priority: Blocker
>             Fix For: 1.2.12
>
>
> The JSON-B specification mandates that compliant implementations MUST support serialization of Collection and URL.
> Unfortunately when serializing a Collection<URL> using Johnzon-Jsonb 1.2.11 an infinite loop happens, resulting in a StackOverflowException.
> I have reproduced this complaint by the following code:
> {{  JsonbConfig jsonbConfig = new JsonbConfig();}}
>  {{  Jsonb jsonb = JsonbBuilder.create(jsonbConfig);}}
>  {{  URL url = new URL("http://www.apache.org");}}
>  {{  Collection<URL> collection = Collections.singleton(url);}}
>  {{  System.out.println("Jsonb collection: " + jsonb.toJson(collection));}}
> The same problem occurs with Collection<URI>, too.
> Collections in general work fine, i. e. the problem does not occur with e. g. Collection<UUID> or Collection<String>. Also single URL and URIs objects work fine, i. e. when not inside a collection!



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