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

java.lang.NullPointerException: 	at android.support.v4.app.FragmentPagerAdapter.instantiateItem(FragmentPagerAdapter.java:89)	at android.support.v4.view.ViewPager.addNewItem(ViewPager.java:1006)	at android.support.v4.view.ViewPager.populate(ViewPager.java:1154)	at android.support.v4.view.ViewPager.populate(ViewPager.java:1088)	at android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1614)	at android.view.View.measure(View.java:15848)	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5012)	at android.support.design.widget.CoordinatorLayout.onMeasureChild(CoordinatorLayout.java:700)	at android.support.design.widget.HeaderScrollingViewBehavior.onMeasureChild(HeaderScrollingViewBehavior.java:90)	at android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onMeasureChild(AppBarLayout.java:1364)	at android.support.design.widget.CoordinatorLayout.onMeasure(CoordinatorLayout.java:765)	at android.view.View.measure(View.java:15848)	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5012)	at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)	at android.view.View.measure(View.java:15848)	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5012)	at android.support.design.widget.CoordinatorLayout.onMeasureChild(CoordinatorLayout.java:700)	at android.support.design.widget.CoordinatorLayout.onMeasure(CoordinatorLayout.java:767)	at android.view.View.measure(View.java:15848)	at android.support.v4.widget.DrawerLayout.onMeasure(DrawerLayout.java:1085)	at android.view.View.measure(View.java:15848)	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5012)	at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)	at android.support.v7.widget.ContentFrameLayout.onMeasure(ContentFrameLayout.java:135)	at android.view.View.measure(View.java:15848)	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5012)	at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1404)	at android.widget.LinearLayout.measureVertical(LinearLayout.java:695)	at android.widget.LinearLayout.onMeasure(LinearLayout.java:588)	at android.view.View.measure(View.java:15848)	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5012)	at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)	at android.view.View.measure(View.java:15848)	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5012)	at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1404)	at android.widget.LinearLayout.measureVertical(LinearLayout.java:695)	at android.widget.LinearLayout.onMeasure(LinearLayout.java:588)	at android.view.View.measure(View.java:15848)	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5012)	at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)	at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2189)	at android.view.View.measure(View.java:15848)	at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:1905)	at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1104)	at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1284)	at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1004)	at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5481)	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:749)	at android.view.Choreographer.doCallbacks(Choreographer.java:562)	at android.view.Choreographer.doFrame(Choreographer.java:532)	at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:735)	at android.os.Handler.handleCallback(Handler.java:730)	at android.os.Handler.dispatchMessage(Handler.java:92)	at android.os.Looper.loop(Looper.java:137)	at android.app.ActivityThread.main(ActivityThread.java:5103)	at java.lang.reflect.Method.invokeNative(Native Method)	at java.lang.reflect.Method.invoke(Method.java:525)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)