[MGNLREST-191] Custom endpoint throws exception on Mgnl 5.7.1/JDK9 Created: 20/Sep/18  Updated: 12/Apr/21

Status: Open
Project: Magnolia REST Framework
Component/s: services
Affects Version/s: 2.1.1
Fix Version/s: None

Type: Bug Priority: Neutral
Reporter: Edwin Guilbert Assignee: Unassigned
Resolution: Unresolved Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment:

Magnolia 5.7.1 Java 9.0.1


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Task DoD:
[ ]* Doc/release notes changes? Comment present?
[ ]* Downstream builds green?
[ ]* Solution information and context easily available?
[ ]* Tests
[ ]* FixVersion filled and not yet released
[ ]  Architecture Decision Record (ADR)
Bug DoR:
[ ]* Steps to reproduce, expected, and actual results filled
[ ]* Affected version filled
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 Description   

Using a custom rest endpoint (extending info.magnolia.rest.AbstractEndpoint) throws the following exception:

org.jboss.resteasy.core.NoMessageBodyWriterFoundFailure: Could not find MessageBodyWriter for response object of type: java.util.ArrayList of media type: application/xml;charset=UTF-8
...
        at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51) [resteasy-jaxrs-3.5.1.Final.jar:3.5.1.Final]
	at info.magnolia.rest.tools.SwaggerRestDispatcherServlet.service(SwaggerRestDispatcherServlet.java:141) [magnolia-rest-tools-2.1.1.jar:?]

 

It used to work fine on magnolia-5.6.x/rest-services-2.1/Java8.

I also tried the latest rest client jars (3.6.1.Final) and throws the same exception.

Git of testing module: https://git.magnolia-cms.com/users/ebguilbert/repos/tours-rest-angular-demo/browse

test request: /.rest/tours/v1?category=active&featured=false


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