[Error](Android): java.net.UnknownHostException(Unable to resolve host "": No address associated with hostname)

Error

W/Glide: Load failed for https://img1.daumcdn.net/thumb/R1280x0/?scode=mtistory2&fname=https%3A%2F%2Fk.kakaocdn.net%2Fdn%2Fd44x6A%2Fbtqzu7dKbZ6%2FlOoGM6j0rjWD3p8kKfB8ck%2Fimg.jpg with size [150x150]
    class com.bumptech.glide.load.engine.GlideException: Failed to load resource
    There was 1 cause:
    java.net.UnknownHostException(Unable to resolve host "img1.daumcdn.net": No address associated with hostname)
     call GlideException#logRootCauses(String) for more detail
      Cause (1 of 1): class com.bumptech.glide.load.engine.GlideException: Fetching data failed, class java.io.InputStream, REMOTE
    There was 1 cause:
    java.net.UnknownHostException(Unable to resolve host "img1.daumcdn.net": No address associated with hostname)
     call GlideException#logRootCauses(String) for more detail
        Cause (1 of 1): class com.bumptech.glide.load.engine.GlideException: Fetch failed
    There was 1 cause:
    java.net.UnknownHostException(Unable to resolve host "img1.daumcdn.net": No address associated with hostname)
     call GlideException#logRootCauses(String) for more detail
          Cause (1 of 1): class java.net.UnknownHostException: Unable to resolve host "img1.daumcdn.net": No address associated with hostname
I/Glide: Root cause (1 of 1)
D/ViewRootImpl: MSG_RESIZED_REPORT: ci=Rect(0, 72 - 0, 0) vi=Rect(0, 72 - 0, 0) or=1
D/ViewRootImpl: MSG_RESIZED: ci=Rect(0, 72 - 0, 675) vi=Rect(0, 72 - 0, 675) or=1
I/Timeline: Timeline: Activity_idle id: android.os.BinderProxy@3877b8c time:144002189
V/ActivityThread: updateVisibility : ActivityRecord{f935788 token=android.os.BinderProxy@5073409 {kr.nutee.nutee_android/kr.nutee.nutee_android.login.LoginActivity}} show : false
D/ViewRootImpl: MSG_RESIZED: ci=Rect(0, 72 - 0, 0) vi=Rect(0, 72 - 0, 0) or=1
D/ViewRootImpl: ViewPostImeInputStage processPointer 0
D/ViewRootImpl: ViewPostImeInputStage processPointer 1
D/ViewRootImpl: ViewPostImeInputStage processPointer 0
D/ViewRootImpl: ViewPostImeInputStage processPointer 1
V/ActivityThread: updateVisibility : ActivityRecord{f35891 token=android.os.BinderProxy@3877b8c {kr.nutee.nutee_android/kr.nutee.nutee_android.main.MainActivity}} show : false

에러 발생 상황

앱을 실행하면 Glide로 사진이 로딩되지 않는 상황

에러 발생 이유

테스트 기기가 인터넷에 연결되어있지 않음.

해결 방법

테스트 기기 인터넷 연결