873737 - java.lang.NullPointerException: at org.mozilla.gecko.gfx.LayerMarginsAnimator.animateMargins(LayerMarginsAnimator.java)

Status: RESOLVED WORKSFORME

(Firefox for Android Graveyard :: Toolbar, defect)

Description

[Scoobidiver (away)]

There are two crashes, the latest one in 24.0a1/20130517: bp-71c947c9-032a-451b-98c2-ab8df2130518.
They seems to happen more than three hours after the startup.

java.lang.NullPointerException
	at org.mozilla.gecko.gfx.LayerMarginsAnimator.animateMargins(LayerMarginsAnimator.java:76)
	at org.mozilla.gecko.gfx.LayerMarginsAnimator.showMargins(LayerMarginsAnimator.java:136)
	at org.mozilla.gecko.BrowserApp.onTabChanged(BrowserApp.java:182)
	at org.mozilla.gecko.Tabs$4.run(Tabs.java:538)
	at android.os.Handler.handleCallback(Handler.java:725)
	at android.os.Handler.dispatchMessage(Handler.java:92)
	at android.os.Looper.loop(Looper.java:137)
	at android.app.ActivityThread.main(ActivityThread.java:5226)
	at java.lang.reflect.Method.invokeNative(Native Method)
	at java.lang.reflect.Method.invoke(Method.java:511)
	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
	at dalvik.system.NativeStart.main(Native Method)

More reports at:
https://crash-stats.mozilla.com/report/list?signature=java.lang.NullPointerException%3A+at+org.mozilla.gecko.gfx.LayerMarginsAnimator.animateMargins%28LayerMarginsAnimator.java%29

Comment 1

[Kartikaya Gupta (email:[e-mail])]

mAnimationTimer is being accessed on the timer thread and the UI thread without synchronization. This might make a good mentored bug.

Comment 2

[Kartikaya Gupta (email:[e-mail])]

Maybe not a good mentored bug, as it is causing oranges on TBPL.

Comment 3

[Kartikaya Gupta (email:[e-mail])]

This code has been deleted.