[jboss-jira] [JBoss JIRA] (DROOLS-2840) Java Controller Client Websocket API - Unmarshal incorrect type

[Tri Doan Quang (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-2840?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tri Doan Quang updated DROOLS-2840:
-----------------------------------
    Summary: Java Controller Client Websocket API - Unmarshal incorrect type  (was: Java Controller Websocket API - Unmarshal incorrect type)


> Java Controller Client Websocket API - Unmarshal incorrect type
> ---------------------------------------------------------------
>
>                 Key: DROOLS-2840
>                 URL: https://issues.jboss.org/browse/DROOLS-2840
>             Project: Drools
>          Issue Type: Bug
>          Components: kie server
>    Affects Versions: 7.9.0.Final
>            Reporter: Tri Doan Quang
>            Assignee: Maciej Swiderski
>
> I deployed Kie workbench & Kie server .9.0.Final
> And I am going to set up client by using websocket API as provided here:
>    https://docs.jboss.org/drools/release/7.9.0.Final/drools-docs/html_single/index.html#_kie_server_controller_client_api
> ```java
> KieServerControllerClient client = KieServerControllerClientFactory.newWebSocketClient(URL_WS,
>                 USER,
>                 PASSWORD, new TestEventHandler());
>         final ServerTemplateList serverTemplateList = client.listServerTemplates();
>         System.out.println(String.format("Found %s server template(s) at controller url: %s",
>                     serverTemplateList.getServerTemplates().length,
>                     URL));
> ```
> However, I got NPE since `serverTemplateList` is NULL.
> I dig to the code and observed:
> 1. Server responses in JSON format:
>     '{
>   "type" : "SUCCESS",
>   "msg" : "",
>   "result" : {
>     "server-template-list" : {
>       "server-template" : [ {
>         "server-id" : "kie-server-v1",
>         "server-name" : "kie-server-v1",
>         "container-specs" : [ ],
>         "server-config" : { },
>         "server-instances" : [ {
>           "server-instance-id" : "kie-server-v1 at 192.168.1.6:8180",
>           "server-name" : "kie-server-v1 at 192.168.1.6:8180",
>           "server-template-id" : "kie-server-v1",
>           "server-url" : "http://192.168.1.6:8180/kie-server/services/rest/server"
>         } ],
>         "capabilities" : [ "RULE", "PROCESS", "PLANNING" ]
>       } ]
>     }
>   }
> }'
> 2. But the decoder tries to unmarshall to the target object which is not defined well in JSON. It's defined in JAXB
>    org.kie.server.controller.api.model.KieServerControllerServiceResponse
> ```java
>   @XmlAttribute
>     private ResponseType type;
>     @XmlAttribute
>     private String msg;
>     @XmlElements({
>             //Kie Server Controller model
>             @XmlElement(name = "server-template-list", type = ServerTemplateList.class),
>             @XmlElement(name = "server-template-details", type = ServerTemplate.class),
>             @XmlElement(name = "server-template-key-list", type = ServerTemplateKeyList.class),
>             @XmlElement(name = "server-template-key", type = ServerTemplateKey.class),
>             @XmlElement(name = "container-spec-list", type = ContainerSpecList.class),
>             @XmlElement(name = "container-spec-details", type = ContainerSpec.class),
>             @XmlElement(name = "server-instance-key-list", type = ServerInstanceKeyList.class),
>             @XmlElement(name = "server-instance-key", type = ServerInstanceKey.class),
>             @XmlElement(name = "container-details-list", type = ContainerList.class)
>     })
>     private T result;
> ```
> Similar issues when I tried to register Event notification from Websocket (given in above link). All values are null.
> I am not sure I am missing some configuration. 
> Any one help me please? Many Thanks.
>    



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