Android 다음 지도가 표시 되지 않는 이유 문의

E/NativeBaseNetConnection: null
java.net.SocketException: Socket close라고 나타나면서 다음 지도가 화면에 표지 되지 않고 있습니다.

App key는 정상적으로 등록 하였습니다.

아래는 로그 입니다.
09-06 13:26:21.811 2367-2808/android_app_package E/NativeBaseNetConnection: null
java.net.SocketException: Socket closed
at libcore.io.Posix.recvfromBytes(Native Method)
at libcore.io.Posix.recvfrom(Posix.java:189)
at libcore.io.BlockGuardOs.recvfrom(BlockGuardOs.java:250)
at libcore.io.IoBridge.recvfrom(IoBridge.java:549)
at java.net.PlainSocketImpl.read(PlainSocketImpl.java:481)
at java.net.PlainSocketImpl.access$000(PlainSocketImpl.java:37)
at java.net.PlainSocketImpl$PlainSocketInputStream.read(PlainSocketImpl.java:237)
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:108)
at org.apache.http.impl.io.AbstractSessionInputBuffer.read(AbstractSessionInputBuffer.java:139)
at org.apache.http.impl.io.ContentLengthInputStream.read(ContentLengthInputStream.java:179)
at org.apache.http.impl.io.ContentLengthInputStream.read(ContentLengthInputStream.java:193)
at org.apache.http.conn.EofSensorInputStream.read(EofSensorInputStream.java:183)
at java.nio.channels.Channels$InputStreamChannel.read(Channels.java:306)
at net.daum.mf.map.n.api.NativeBaseNetConnection.fastChannelCopy(NativeBaseNetConnection.java:317)
at net.daum.mf.map.n.api.NativeBaseNetConnection.readFromInputStream(NativeBaseNetConnection.java:298)
at net.daum.mf.map.n.api.NativeBaseNetConnection.notifyFinishConnection(NativeBaseNetConnection.java:261)
at net.daum.mf.map.n.api.NativeBaseNetConnection.access$000(NativeBaseNetConnection.java:35)
at net.daum.mf.map.n.api.NativeBaseNetConnection$1.run(NativeBaseNetConnection.java:120)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
at java.lang.Thread.run(Thread.java:818)

안녕하세요.

에러 로그 상으로 보아서는 키해시가 등록되지 않아서 그런 것 같은데요.
아래 키해시 관련 가이드 참고하셔서 다시한번 진행해보시겠어요?
https://developers.kakao.com/docs/android#키해시-등록