java.lang.NullPointerException: collection == null

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via GitHub by evant
, 1 year ago
java.lang.NullPointerException: collection == null
at java.util.ArrayList.(
at android.widget.ArrayAdapter$ArrayFilter.performFiltering(
at android.widget.Filter$RequestHandler.handleMessage(
at android.os.Handler.dispatchMessage(
at android.os.Looper.loop(

Users with the same issue

10 times, 5 months ago
2 times, 7 months ago
Once, 9 months ago
Once, 10 months ago
Samebug visitor profile picture
Unknown user
Once, 9 months ago

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.