[問題] NullPointerException的問題
專案上要取得server的驗證結果,
所以使用head去取得server status code,
程式碼如下,
http://pastebin.com/RT2kn00F
將執行結果印出debug時,
程式卻都跑到exceptio區塊,
並顯示NullPointerException,
檢查了一下code但看不出問題在哪裡,
希望能煩請版上前輩指教 謝謝
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