Google HTTP/OAuth2 api总是为第二个HTTPRequest抛出EOFException

Question

NetHttpTransport transport = new NetHttpTransport();
JacksonFactory factory = new JacksonFactory();
//use http for testing only, will use https for deployed environment
GenericUrl url = new GenericUrl("http://192.168.x.x/oauth2/token");
//client_id & client_secret
BasicAuthentication auth = new BasicAuthentication("abc","abc");
ClientCredentialsTokenRequest token =
     new ClientCredentialsTokenRequest(transport, factory, url)
           .setClientAuthentication(auth);
TokenResponse response = token.execute();

//ok, i can get access token in response without problem

Credential credential = 
      new Credential(BearerToken.authorizationHeaderAccessMethod())
             .setFromTokenResponse(response);
//note that I reuse the transport, but using a new transport2 doesn't help
HttpRequestFactory rf = trasport.createRequestFactory(credential);
GenericData data = new GenericData();
data.put("Username",phoneText.getText().toString());
data.put("Password", passwordText.getText().toString());
JsonHttpContent content = new JsonHttpContent(factory, data);
GenericUrl genericUrl=new GenericUrl("http://192.168.x.x/users");
HttpRequest request = rf.buildPostRequest(genericUrl, content);

//the following will always return EOF exception
HttpResponse response=request.execute();

致以最诚挚的问候，

Answer 1

System.setProperty("http.keepAlive", "false");

request.addHeader("connection", "close")