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 Stack Overflow by Surendra Sharma
, 1 year ago
Attempt to invoke virtual method 'void com.quickblox.chat.QBGroupChat.leave()' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'void com.quickblox.chat.QBGroupChat.leave()' on a null object reference	at com.quickblox.chat.model.QBChatDialog.leave(SourceFile:768)	at com.om.sigmatech.dating.MatchNotificationActivity$5.onSuccess(MatchNotificationActivity.java:313)	at com.om.sigmatech.dating.MatchNotificationActivity$5.onSuccess(MatchNotificationActivity.java:306)	at com.quickblox.auth.session.Query.notifySuccess(SourceFile:447)	at com.quickblox.auth.session.Query$VersionEntityCallback.completedWithResponse(SourceFile:483)	at com.quickblox.auth.session.Query.completedWithResponse(SourceFile:307)	at com.quickblox.core.server.HttpRequestRunnable$1.handleMessage(SourceFile:43)	at android.os.Handler.dispatchMessage(Handler.java:102)	at android.os.Looper.loop(Looper.java:148)	at android.app.ActivityThread.main(ActivityThread.java:5417)	at java.lang.reflect.Method.invoke(Native Method)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)