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Last Comment Bug 774205 - java.lang.NullPointerException: at org.mozilla.gecko.GeckoInputConnection$<n>.run( on ICS and JB
: java.lang.NullPointerException: at org.mozilla.gecko.GeckoInputConnection$<n>...
: crash, regression
Product: Firefox for Android
Classification: Client Software
Component: Graphics, Panning and Zooming (show other bugs)
: 15 Branch
: ARM Android
: -- critical (vote)
: Firefox 17
Assigned To: Kartikaya Gupta (
: Kartikaya Gupta (
Depends on: 777505
Blocks: 769269
  Show dependency treegraph
Reported: 2012-07-16 01:54 PDT by Scoobidiver (away)
Modified: 2016-07-29 14:26 PDT (History)
7 users (show)
See Also:
Crash Signature:
QA Whiteboard:
Iteration: ---
Points: ---
Has Regression Range: ---
Has STR: ---

Guard against null layercontroller (8.70 KB, patch)
2012-07-23 07:19 PDT, Kartikaya Gupta (
cpeterson: review+
akeybl: approval‑mozilla‑aurora+
akeybl: approval‑mozilla‑beta+
Details | Diff | Splinter Review

Description Scoobidiver (away) 2012-07-16 01:54:15 PDT
It first appeared in 16.0a1/20120714. The regression range is:

	at org.mozilla.gecko.GeckoInputConnection$
	at android.os.Handler.handleCallback(
	at android.os.Handler.dispatchMessage(
	at android.os.Looper.loop(
	at java.lang.reflect.Method.invokeNative(Native Method)
	at java.lang.reflect.Method.invoke(
	at dalvik.system.NativeStart.main(Native Method)

More reports at:
Comment 1 Scoobidiver (away) 2012-07-16 02:02:15 PDT
It currently affect ICS and JB like bug 774206.
Comment 2 Brian Nicholson (:bnicholson) 2012-07-20 11:40:36 PDT
This is probably another NPE from "Don't keep activities" being on.
Comment 3 Kartikaya Gupta ( 2012-07-23 07:19:59 PDT
Created attachment 644924 [details] [diff] [review]
Guard against null layercontroller

It looks like the code assumes getView() will always be non-null, except possibly in the postOnUiThread runnables. That seems reasonable to me, assuming that all the other invocations are directly on the UI thread and are coming while the view is alive and well.
Comment 4 Chris Peterson [:cpeterson] 2012-07-23 11:26:37 PDT
Comment on attachment 644924 [details] [diff] [review]
Guard against null layercontroller

Review of attachment 644924 [details] [diff] [review]:

Comment 5 Kartikaya Gupta ( 2012-07-23 11:54:21 PDT
Comment 6 Ed Morley [:emorley] 2012-07-24 03:01:16 PDT
Comment 7 Kartikaya Gupta ( 2012-07-25 10:48:24 PDT
Comment on attachment 644924 [details] [diff] [review]
Guard against null layercontroller

[Approval Request Comment]
Bug caused by (feature/regressing bug #): exposed by bug 769269
User impact if declined: crash may happen if going to the awesomescreen while keyboard is up
Testing completed (on m-c, etc.): on m-c
Risk to taking this patch (and alternatives if risky): mobile only, low risk
String or UUID changes made by this patch: none
Comment 8 Scoobidiver (away) 2012-07-27 11:28:54 PDT
15.0b2 is affected while 15.0b1 wasn't.
Comment 9 Kartikaya Gupta ( 2012-07-27 11:41:23 PDT
Comment on attachment 644924 [details] [diff] [review]
Guard against null layercontroller

Requesting for beta as well.
Comment 10 Alex Keybl [:akeybl] 2012-07-27 16:54:03 PDT
Comment on attachment 644924 [details] [diff] [review]
Guard against null layercontroller

[Triage Comment]
Low risk fix for a crash regression. Approved for Aurora 16 and Beta 15.
Comment 12 Cristian Nicolae (:xti) 2012-09-06 07:22:07 PDT
All latest crashes occurred (due to this crash report) on Firefox 15 Beta (2012-07-24), but there is no crash on Firefox 15 Release channel, 16 Beta or 17 Aurora.

Closing bug as verified fixed.

Device: Galaxy Note
OS: Android 4.0.4

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