Mule 未能调用updateStatus。消息负载的类型为：String

我刚从

Mule

开始，我用

twitter

我正在使用

mule3.5

我从创建

新的示例项目开始

然后是

Hello world

现在我使用的是

twitter

，当我使用

show user

时，一切看起来都正常，我得到了Json对象，但当我更新状态时，我得到了以下错误消息：

 Failed to invoke updateStatus. Message payload is of type: String

这是我的XML

<flow name="TwitterUserID" doc:name="TwitterUserID">
    <http:inbound-endpoint exchange-pattern="request-response"
        host="localhost" port="8081" doc:name="HTTP"
        doc:description="This endpoint receives an HTTP message." />
    <object-to-string-transformer doc:name="Object to String"/>
    <twitter:update-status config-ref="Twitter" doc:name="Twitter" status="This is from
        Mule "/>
    <json:object-to-json-transformer doc:name="Object to JSON"/>
</flow>

---

---

问题是我需要更改对twitter应用程序的读写权限

转到应用程序页面

背景

检查：

Root Exception stack trace:
twitter4j.internal.org.json.JSONException: JSONObject["text"] not found.
at twitter4j.internal.org.json.JSONObject.get(JSONObject.java:395)
at twitter4j.internal.org.json.JSONObject.getString(JSONObject.java:509)
at twitter4j.internal.json.StatusJSONImpl.init(StatusJSONImpl.java:166)
+ 3 more (set debug level logging or '-Dmule.verbose.exceptions=true' for everything)
********************************************************************************

WARN  2014-01-27 08:57:13,406 [[hello-world].connector.http.mule.default.receiver.02] 
org.apache.commons.httpclient.HttpMethodDirector: Unable to respond to any of these 
  challenges: {oauth=OAuth realm="https://api.twitter.com"}
ERROR 2014-01-27 08:57:13,409 [[hello-world].connector.http.mule.default.receiver.02] 
org.mule.retry.notifiers.ConnectNotifier: Failed to connect/reconnect: Work Descriptor.     
Root Exception was: JSONObject["text"] not found.. Type: class 
twitter4j.internal.org.json.JSONException

ERROR 2014-01-27 08:57:13,412 [[hello-world].connector.http.mule.default.receiver.02] 
org.mule.exception.DefaultMessagingExceptionStrategy: 
********************************************************************************
Message               : Failed to invoke updateStatus. Message payload is of type:
  String

Code                  : MULE_ERROR--2
--------------------------------------------------------------------------------
Exception stack is:
1. JSONObject["text"] not found. (twitter4j.internal.org.json.JSONException)
  twitter4j.internal.org.json.JSONObject:395 (null)
2. JSONObject["text"] not found. (twitter4j.TwitterException)
  twitter4j.internal.json.StatusJSONImpl:172 (null)
3. Failed to invoke updateStatus. Message payload is of type: String   
(org.mule.api.MessagingException)

  org.mule.twitter.processors.UpdateStatusMessageProcessor:175 

--------------------------------------------------------------------------------
Root Exception stack trace:
twitter4j.internal.org.json.JSONException: JSONObject["text"] not found.
at twitter4j.internal.org.json.JSONObject.get(JSONObject.java:395)
at twitter4j.internal.org.json.JSONObject.getString(JSONObject.java:509)
at twitter4j.internal.json.StatusJSONImpl.init(StatusJSONImpl.java:166)
+ 3 more (set debug level logging or '-Dmule.verbose.exceptions=true' for everything)