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https://issues.apache.org/jira/browse/FELIX-5666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16112559#comment-16112559
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David Bosschaert commented on FELIX-5666:
-----------------------------------------
Hi [~dleangen], just trying to start understanding the problem.
The first test I started looking at is:
JsonBackingObjectSerializationTest.testComplexMapSerializationFirstUsingConversion()
This test creates a DTO: MyDTOishObject and then converts it to a Map. This
conversion seems to work correctly, but then the conversion from that map to
the JSON seems to go wrong. Is this a correct assumption? It looks like the
serialization of a DTO to JSON doesn't work...
Actually I guess the problem can already be observed by calling
{{JsonSerializerImpl().serialize(obj).toString()}} directly on the DTO, as the
result there also contains the {{toString}} key in the JSON.
> Serializer goes into infinite loop
> ----------------------------------
>
> Key: FELIX-5666
> URL: https://issues.apache.org/jira/browse/FELIX-5666
> Project: Felix
> Issue Type: Bug
> Components: Converter
> Reporter: David Leangen
> Assignee: David Bosschaert
>
> I'm only guessing as to what the problem is, following some stepping through
> the code. I could not find any similar existing test cases, but if the
> following does not immediately click for [~bosschaert], I will try to add one.
> It appears that, when serializing an object to a "DTO-Type" object to a Map,
> some kind of backing object is created.
> If the backing object contains a field that instantiates the same DTO, then
> the loop gets created.
> Example:
> {code}
> public class MyDtoType {
> public String id;
> public MyDtoType( String anID ) {
> id = anID;
> }
> public static MyDtoType error() {
> return new MyDtoType( "ERROR" );
> }
> }
> {code}
> It looks like the serializer keeps calling the error() method infinitely, but
> I am not able to easily pinpoint where this happens.
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