Java.io.IOException:Server returned HTTP response code:411 for URL

Today calls a post-commit HTTP interface, which has no problem with the test environment IP call, but always reports the following error when the production environment is called by a domain name:

 for Url

Baidu after getting: In the call, add the following two lines of code, this text to remember:

   /* Solve 411 */      Httpconnection.setrequestproperty ("Content-length", "0");      New DataOutputStream (Httpconnection.getoutputstream ());    /* Solve 411 */

Attached solution Link: http://blog.csdn.net/pfyuit/article/details/8137777

Java.io.IOException:Server returned HTTP response code:411 for URL