title: CFNetwork internal error : URLConnectionLoader.cpp:304
body: <p>When I open my application after a while, I received lots of the same log:</p>
  
  <p>9060:CFNetwork internal error (0xc01a:/BuildRoot/Library/Caches/com.apple.xbs/Sources/CFNetwork_Sim/CFNetwork-808.2.16/Loading/URLConnectionLoader.cpp:304)</p>
  
  <p>And then my app crashed. This happens after I used the library MJRefresh from github (<a href="https://github.com/CoderMJLee/MJRefresh" rel="nofollow noreferrer">https://github.com/CoderMJLee/MJRefresh</a>).</p>
  
  <p>My project uses libraries as below:
  AFNetworking, CocoaLumberjack, MBProgressHUD, MJRefresh, SDAutoLayout, SDWebImage and WebViewJavascriptBridge.</p>
  
  <p>I google the error message, but I didn't find any solution.
  Below link is nearly the same problem with mine, but I still don't know how to solve my problem.
  <a href="https://stackoverflow.com/questions/38050726/cfnetwork-internal-error-urlconnectionloader-cpp289">CFNetwork internal error : URLConnectionLoader.cpp:289</a></p>