java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.Object.hashCode()' on a null object reference

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 x10sion
, 1 year ago
Attempt to invoke virtual method 'int java.lang.Object.hashCode()' on a null object reference
via Stack Overflow by Mikkel Mørch
, 1 year ago
Attempt to invoke virtual method 'int java.lang.Object.hashCode()' on a null object reference
via Stack Overflow by JanithaR
, 1 year ago
Attempt to invoke virtual method 'int java.lang.Object.hashCode()' on a null object reference
via xamarin.com by Unknown author, 8 months ago
Attempt to invoke virtual method 'int java.lang.Object.hashCode()' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.Object.hashCode()' on a null object reference
at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:746)
at com.facebook.internal.Utility.getDialogFeatureConfig(Utility.java:922)
at com.facebook.internal.DialogPresenter.getVersionSpecForFeature(DialogPresenter.java:254)
at com.facebook.internal.DialogPresenter.getProtocolVersionForNativeDialog(DialogPresenter.java:241)
at com.facebook.internal.DialogPresenter.canPresentNativeDialogWithFeature(DialogPresenter.java:75)
at com.facebook.share.widget.ShareDialog.canShowNative(ShareDialog.java:162)
at com.facebook.share.widget.ShareDialog.access$300(ShareDialog.java:65)
at com.facebook.share.widget.ShareDialog$NativeHandler.canShow(ShareDialog.java:314)
at com.facebook.share.widget.ShareDialog$NativeHandler.canShow(ShareDialog.java:285)
at com.facebook.internal.FacebookDialogBase.createAppCallForMode(FacebookDialogBase.java:210)
at com.facebook.internal.FacebookDialogBase.showImpl(FacebookDialogBase.java:150)
at com.facebook.share.widget.ShareDialog.show(ShareDialog.java:267)
at com.myApp.app.item.overview.OverviewListItemFragment.onShareClick(OverviewListItemFragment.java:908)
at com.myApp.app.item.overview.OverviewListItemFragment.onClick(OverviewListItemFragment.java:841)
at com.myApp.app.item.overview.OverviewListItemFragment_ViewBinding$10.doClick(OverviewListItemFragment_ViewBinding.java:169)
at butterknife.internal.DebouncingOnClickListener.onClick(DebouncingOnClickListener.java:22)
at android.view.View.performClick(View.java:4802)
at android.view.View$PerformClick.run(View.java:20101)
at android.os.Handler.handleCallback(Handler.java:810)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:189)
at android.app.ActivityThread.main(ActivityThread.java:5529)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:950)

Users with the same issue

4 times, 3 months ago
Once, 7 months ago
6 times, 8 months ago
Once, 9 months ago
201 times, 1 year ago

Write tip

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