Hello All,

I'm having problems with a type converted in my Switchyard project.

Inside my DocumentConverter class I have a type converter for converting an ArrayList (from an SQL binding) into an array of Document Objects

@Converter
public class DocumentConverter {
   
    ...

    @Converter
    public static Document[] fromAllDocuments(ArrayList<Map<String, Object>> objects) {
        Document[] docs = null;
        if (objects != null && !objects.isEmpty()) {
            docs = new Document[objects.size()];
            for (int i = 0; i < objects.size(); i++) {
                System.out.println("ArrayList");
                docs[i] = generateDocumentFromMap(objects.get(i));
            }
        }
        return docs;
    }
   
    ...
}

The Document object is a simple POJO

public class Document {
   
    private String id;
    private String details;
   
    public Document(String id, String details){
        this.id = id;
        this.details = details;
    }

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public String getDetails() {
        return details;
    }

    public void setDetails(String details) {
        this.details = details;
    }

    /* (non-Javadoc)
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return "Document [id=" + id + ", details=" + details + "]";
    }
   
   

}

When I perform a GET request on a document in debug mode I put a break point inside fromAllDocuments and see that it is called correctly and the results are fine too. I can then do another GET on a different document ID and see that fromAllDocuments is correctly called again. However, at some point after process exits fromAllDocuments I get the following warning

WARN [org.apache.camel.impl.converter.DefaultTypeConverter] (http-localhost/127.0.0.1:8080-7) Overriding type converter from: StaticMethodTypeConverter: public static com.blah.data.Document[] com.blah.lookup.CaseConverter.fromCase(java.util.List) to: org.apache.camel.impl.converter.ArrayTypeConverter@6530d3aa

Subsequent GET requests all fail with an error 500 and the following warning

12:55:18,008 WARN [org.jboss.resteasy.core.SynchronousDispatcher] (http-localhost/127.0.0.1:8080-7) failed to execute: javax.ws.rs.WebApplicationException: java.lang.reflect.UndeclaredThrowableException
at org.switchyard.component.resteasy.composer.RESTEasyMessageComposer.decompose(RESTEasyMessageComposer.java:75) [switchyard-component-resteasy-1.1.1-p5-redhat-1.jar:1.1.1-p5-redhat-1]
...
Caused by: org.switchyard.HandlerException: org.apache.camel.TypeConversionException: Error during type conversion from type: java.util.ArrayList to the required type: com.blah.data.Document[] with value [{id=1, details=Hello World, case_id=1}] due null
...
Caused by: org.apache.camel.TypeConversionException: Error during type conversion from type: java.util.ArrayList to the required type:
...
Caused by: java.lang.ArrayStoreException
...

I'm at a loss to think why its overriding my conversion method during runtime. Any suggestions will be appreciated!

Switchyard version: 1.1.1

Regards

Lewis