안드로이드 지도 로고만 나타나고 맵이 표시되지 않습니다

안녕하세요. 안드로이드 네이티브 앱에서 지도가 정상적으로 나타나지 않아 문의드립니다.

Daum로고만 나타나며, 회색화면으로 보이고 있습니다.
1달 전에는 정상적으로 노출되고 있었으나, 금일 제보를 받았습니다.

RestAPI 키로 사용중이어서 소스 내 API키를 전부 Native API키로 변경하였음에도 동일 증상 나타납니다.
Wifi상태이며, 키 해시는 정상입니다.
com. 뒤 부분은 기업정보가 포함되어있어 부득이 마스킹처리했습니다.

사용중인 앱 서비스 ID는 250254 입니다.
현재 아직 배포작업 전이며, 소스상 REST키 전부 삭제 및 Native로 전환하여 테스트중이나(release모드, debug모드 동일) 테스트중인 기기에서도 동일하게 회색 화면이 나타나고 있습니다.

2021-04-01 15:13:51.617 9727-11203/com..* E/net.daum.mf.map.n.api.NativeBaseNetConnection: Request already aborted,url=http://ot0.maps.daum-img.net/tile/hd/I/L4/999/444.jpg

2021-04-01 15:13:51.617 9727-11202/com..* E/net.daum.mf.map.n.api.NativeBaseNetConnection: Request already aborted,url=http://ot1.maps.daum-img.net/tile/hd/I/L4/998/445.jpg

2021-04-01 15:13:51.617 9727-11204/com..* E/net.daum.mf.map.n.api.NativeBaseNetConnection: Request already aborted,url=http://ot2.maps.daum-img.net/tile/hd/I/L4/999/446.jpg

2021-04-01 15:13:51.617 9727-11201/com..* E/net.daum.mf.map.n.api.NativeBaseNetConnection: Request already aborted,url=http://ot1.maps.daum-img.net/tile/hd/I/L4/999/445.jpg

2021-04-01 15:14:19.578 9727-11204/com..* E/NativeBaseNetConnection: null

java.net.SocketException: Socket closed

    at java.net.SocketInputStream.socketRead0(Native Method)

    at java.net.SocketInputStream.socketRead(SocketInputStream.java:119)

    at java.net.SocketInputStream.read(SocketInputStream.java:176)

    at java.net.SocketInputStream.read(SocketInputStream.java:144)

    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.conn.EofSensorInputStream.read(EofSensorInputStream.java:164)

    at java.nio.channels.Channels$ReadableByteChannelImpl.read(Channels.java:386)

    at net.daum.mf.map.n.api.NativeBaseNetConnection.fastChannelCopy(Unknown Source:6)

    at net.daum.mf.map.n.api.NativeBaseNetConnection.readFromInputStream(Unknown Source:32)

    at net.daum.mf.map.n.api.NativeBaseNetConnection.notifyFinishConnection(Unknown Source:75)

    at net.daum.mf.map.n.api.NativeBaseNetConnection.access$000(Unknown Source:0)

    at net.daum.mf.map.n.api.NativeBaseNetConnection$1.run(Unknown Source:144)

    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)

    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)

    at java.lang.Thread.run(Thread.java:919)

2021-04-01 15:14:19.578 9727-11203/com..* E/NativeBaseNetConnection: null

java.net.SocketException: Socket closed

    at java.net.SocketInputStream.socketRead0(Native Method)

    at java.net.SocketInputStream.socketRead(SocketInputStream.java:119)

    at java.net.SocketInputStream.read(SocketInputStream.java:176)

    at java.net.SocketInputStream.read(SocketInputStream.java:144)

    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.conn.EofSensorInputStream.read(EofSensorInputStream.java:164)

    at java.nio.channels.Channels$ReadableByteChannelImpl.read(Channels.java:386)

    at net.daum.mf.map.n.api.NativeBaseNetConnection.fastChannelCopy(Unknown Source:6)

    at net.daum.mf.map.n.api.NativeBaseNetConnection.readFromInputStream(Unknown Source:32)

    at net.daum.mf.map.n.api.NativeBaseNetConnection.notifyFinishConnection(Unknown Source:75)

    at net.daum.mf.map.n.api.NativeBaseNetConnection.access$000(Unknown Source:0)

    at net.daum.mf.map.n.api.NativeBaseNetConnection$1.run(Unknown Source:144)

    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)

    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)

    at java.lang.Thread.run(Thread.java:919)

2021-04-01 15:14:19.578 9727-11204/com..* E/NativeBaseNetConnection: url=http://ot1.maps.daum-img.net/tile/hd/I/L2/3946/1833.jpg

2021-04-01 15:14:19.578 9727-11203/com..* E/NativeBaseNetConnection: url=http://ot0.maps.daum-img.net/tile/hd/I/L2/3946/1832.jpg

2021-04-01 15:14:19.579 9727-11201/com..* E/NativeBaseNetConnection: null

java.net.SocketException: Socket closed

    at java.net.SocketInputStream.socketRead0(Native Method)

    at java.net.SocketInputStream.socketRead(SocketInputStream.java:119)

    at java.net.SocketInputStream.read(SocketInputStream.java:176)

    at java.net.SocketInputStream.read(SocketInputStream.java:144)

    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.conn.EofSensorInputStream.read(EofSensorInputStream.java:164)

    at java.nio.channels.Channels$ReadableByteChannelImpl.read(Channels.java:386)

    at net.daum.mf.map.n.api.NativeBaseNetConnection.fastChannelCopy(Unknown Source:6)

    at net.daum.mf.map.n.api.NativeBaseNetConnection.readFromInputStream(Unknown Source:32)

    at net.daum.mf.map.n.api.NativeBaseNetConnection.notifyFinishConnection(Unknown Source:75)

    at net.daum.mf.map.n.api.NativeBaseNetConnection.access$000(Unknown Source:0)

    at net.daum.mf.map.n.api.NativeBaseNetConnection$1.run(Unknown Source:144)

    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)

    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)

    at java.lang.Thread.run(Thread.java:919)

2021-04-01 15:14:19.579 9727-11201/com..* E/NativeBaseNetConnection: url=http://ot2.maps.daum-img.net/tile/hd/I/L2/3946/1834.jpg

2021-04-01 15:14:19.580 9727-11202/com..* E/NativeBaseNetConnection: null

java.net.SocketException: Socket closed

    at java.net.SocketInputStream.socketRead0(Native Method)

    at java.net.SocketInputStream.socketRead(SocketInputStream.java:119)

    at java.net.SocketInputStream.read(SocketInputStream.java:176)

    at java.net.SocketInputStream.read(SocketInputStream.java:144)

    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.conn.EofSensorInputStream.read(EofSensorInputStream.java:164)

    at java.nio.channels.Channels$ReadableByteChannelImpl.read(Channels.java:386)

    at net.daum.mf.map.n.api.NativeBaseNetConnection.fastChannelCopy(Unknown Source:6)

    at net.daum.mf.map.n.api.NativeBaseNetConnection.readFromInputStream(Unknown Source:32)

    at net.daum.mf.map.n.api.NativeBaseNetConnection.notifyFinishConnection(Unknown Source:75)

    at net.daum.mf.map.n.api.NativeBaseNetConnection.access$000(Unknown Source:0)

    at net.daum.mf.map.n.api.NativeBaseNetConnection$1.run(Unknown Source:144)

    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)

    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)

    at java.lang.Thread.run(Thread.java:919)

2021-04-01 15:14:19.580 9727-11202/com..* E/NativeBaseNetConnection: url=http://ot1.maps.daum-img.net/tile/hd/I/L2/3945/1833.jpg

문의 주신 계정의 호출 로그 상으로는,
일부 REST API 앱키로 호출되는 부분이 남아있어서 에러가 발생하는 것으로 보입니다.

다시한번 확인해보시기 바랍니다.

해당 API 수정하여 빌드한 앱에서도 동일 증상 발생중입니다.
혹시 ID 250254 의 4월2일 11:34 에 발생한 /v2/maps/auth API에러 항목 분석가능할까요?
해당 항목이 API KEY수정빌드한 앱에서 호출한 로그입니다.

금일 11:34분 대에 호출 로그 중,
에러가 총 4건이 발생하였고, 그중 keyhash mismatched 에러가 포함되어 있습니다.

키해시 에러 관련해서는 메시지로 다시한번 안내 드리겠습니다.

관련해서 추가하였으나 동일 문제 발생되고있습니다.
해당 내용 메시지 드렸으니 확인해 주시면 감사드리겠습니다.