Crashes while setting null auth cookies

[ashishkumar468]

Summary:
App crashes while setting null auth cookies in CustomMwApi
System logs:

STACK_TRACE=java.lang.RuntimeException: An error occurred while executing doInBackground()
at android.os.AsyncTask$3.done(AsyncTask.java:353)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383)
at java.util.concurrent.FutureTask.setException(FutureTask.java:252)
at java.util.concurrent.FutureTask.run(FutureTask.java:271)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:245)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
at java.lang.Thread.run(Thread.java:764)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String[] java.lang.String.split(java.lang.String)' on a null object reference
at fr.free.nrw.commons.mwapi.CustomMwApi.setAuthCookie(CustomMwApi.java:74)
at fr.free.nrw.commons.mwapi.ApacheHttpClientMediaWikiApi.setAuthCookie(ApacheHttpClientMediaWikiApi.java:199)
at fr.free.nrw.commons.delete.DeleteTask.doInBackground(DeleteTask.java:74)
at fr.free.nrw.commons.delete.DeleteTask.doInBackground(DeleteTask.java:28)
at android.os.AsyncTask$2.call(AsyncTask.java:333)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
... 4 more
java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String[] java.lang.String.split(java.lang.String)' on a null object reference
at fr.free.nrw.commons.mwapi.CustomMwApi.setAuthCookie(CustomMwApi.java:74)
at fr.free.nrw.commons.mwapi.ApacheHttpClientMediaWikiApi.setAuthCookie(ApacheHttpClientMediaWikiApi.java:199)
at fr.free.nrw.commons.delete.DeleteTask.doInBackground(DeleteTask.java:74)
at fr.free.nrw.commons.delete.DeleteTask.doInBackground(DeleteTask.java:28)
at android.os.AsyncTask$2.call(AsyncTask.java:333)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:245)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
at java.lang.Thread.run(Thread.java:764)

Device and Android version:

What make and model device (e.g., Samsung J7) did you encounter this on?
ANDROID_VERSION=8.1.0
APP_VERSION_NAME=2.10.2
BRAND=vivo
PHONE_MODEL=vivo 1718

Commons app version:
APP_VERSION_NAME=2.10.2

Would you like to work on the issue?
Yes

[domdomegg]

Closed in #2719