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 Jeff11
, 1 year ago
Attempt to invoke virtual method 'java.util.Iterator org.json.JSONObject.keys()' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.Iterator org.json.JSONObject.keys()' on a null object reference	at io.branch.referral.ServerRequestGetRewards.onRequestSucceeded(ServerRequestGetRewards.java:46)	at io.branch.referral.Branch$BranchPostTask.onPostExecute(Branch.java:2472)	at io.branch.referral.Branch$BranchPostTask.onPostExecute(Branch.java:2320)	at android.os.AsyncTask.finish(AsyncTask.java:651)	at android.os.AsyncTask.access$500(AsyncTask.java:180)	at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:668)	at android.os.Handler.dispatchMessage(Handler.java:102)	at android.os.Looper.loop(Looper.java:158)	at android.app.ActivityThread.main(ActivityThread.java:7229)	at java.lang.reflect.Method.invoke(Method.java)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)