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When using Apache Jersey with Jackson for JSON serialisation (on both server and client), I'm hitting a problem when deserialising a generic List. The JSON I am producing is as follows, all 3 classes in "data" implement "CheckStatusDetail": { "errorCode" : 0, "errorMessage" : null, "type" : "array", "data" : [ { "@class" : "com.rrr.base.status.module.dto.DiscoveryAgentCheckStatusDetail", "serverInfo" : { "@class" : "com.rrr.base.util.discovery.config.xml.XMLServerInfo", "name" : "java", "location" : "THEO", "description" : "sddgs", "group" : "java", "aliases" : [ "mercury" ] } }, { "@class" : "com.rrr.base.status.module.dto.MongoDBCheckStatusDetail", "addresses" : [ "localhost:27017" ], "version" : "2.5", "connected" : true }, { "@class" : "com.rrr.base.status.module.dto.NetworkCheckStatusDetail", "splitBrain" : false } ], "count" : 3, "status" : 0 } The object that produces this JSON looks like this, I'm using the same class on the client side: public class NSResponse<T> implements Serializable { private static final long serialVersionUID = 1L; public static final int STATUS_OK = 0; public static final int STATUS_ERROR = -1; public static final String TYPE_OBJECT = "object"; public static final String TYPE_ARRAY = "array"; private int status; private int errorCode; private String errorMessage; private String type; private List<T> data; private int count; public NSResponse() { } public NSResponse(int errorCode, String errorMessage) { this.status = STATUS_ERROR; this.errorCode = errorCode; this.errorMessage = errorMessage; } public NSResponse(T data) { this.status = STATUS_OK; this.type = TYPE_OBJECT; this.data = new ArrayList<T>(); this.data.add(data); thi

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