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Bug 439235

Summary:	IME-related StackOverflowError
Product:	[Eclipse Project] Platform	Reporter:	Thomas Singer <eclipse>
Component:	SWT	Assignee:	Platform-SWT-Inbox <platform-swt-inbox>
Status:	RESOLVED WORKSFORME	QA Contact:
Severity:	normal
Priority:	P3	CC:	akurtakov, ericwill
Version:	4.3.1	Keywords:	triaged
Target Milestone:	---
Hardware:	PC
OS:	Linux-GTK
Whiteboard:

Description Thomas Singer

2014-07-09 09:01:15 EDT

A user of SmartGit reported following exception:

java.lang.StackOverflowError
	at org.eclipse.swt.internal.gtk.OS._gtk_im_context_get_preedit_string(Native Method)
	at org.eclipse.swt.internal.gtk.OS.gtk_im_context_get_preedit_string(OS.java:8202)
	at org.eclipse.swt.widgets.IME.gtk_preedit_changed(IME.java:290)
	at org.eclipse.swt.widgets.Canvas.gtk_preedit_changed(Canvas.java:195)
	at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2050)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4563)
	at org.eclipse.swt.internal.gtk.OS._gtk_im_context_get_preedit_string(Native Method)
	at org.eclipse.swt.internal.gtk.OS.gtk_im_context_get_preedit_string(OS.java:8202)
	at org.eclipse.swt.widgets.IME.gtk_preedit_changed(IME.java:290)
	at org.eclipse.swt.widgets.Canvas.gtk_preedit_changed(Canvas.java:195)
	at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2050)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4563)
	at org.eclipse.swt.internal.gtk.OS._gtk_im_context_get_preedit_string(Native Method)
	at org.eclipse.swt.internal.gtk.OS.gtk_im_context_get_preedit_string(OS.java:8202)
	at org.eclipse.swt.widgets.IME.gtk_preedit_changed(IME.java:290)
	at org.eclipse.swt.widgets.Canvas.gtk_preedit_changed(Canvas.java:195)
	at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2050)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4563)
...

Java-Version: 1.7.0_55
Max memory  : 227
OS          : Linux
OS Version  : 3.13.0-30-generic
OS Arch     : amd64
Thread      : swt

Comment 1 Alexander Kurtakov

2014-07-09 10:35:16 EDT

What is the exact SWT version used? What distro? Which Gtk version?

Comment 2 Thomas Singer

2014-07-09 15:03:46 EDT

SWT 4.3.1, more information we don't have - it's from an automated exception reporter without direct end user email contact

Comment 3 Alexander Kurtakov

2014-07-14 16:34:00 EDT

(In reply to Thomas Singer from comment #2)
> SWT 4.3.1, more information we don't have - it's from an automated exception
> reporter without direct end user email contact

It would be very hard for me to debug this without a pure swt snippet that reproduces the problem (a reproducer step-by-step" might give it a chance).

Comment 4 Thomas Singer

2014-07-15 00:54:38 EDT

Maybe you could add further checks as a first step?

Comment 5 Thomas Singer

2015-12-15 06:56:09 EST

The latest stackoverflow has been reported against version 4.527:

java.lang.StackOverflowError
	at org.eclipse.swt.internal.gtk.OS._gtk_im_context_get_preedit_string(Native Method)
	at org.eclipse.swt.internal.gtk.OS.gtk_im_context_get_preedit_string(OS.java:8202)
	at org.eclipse.swt.widgets.IME.gtk_preedit_changed(IME.java:290)
	at org.eclipse.swt.widgets.Canvas.gtk_preedit_changed(Canvas.java:195)
	at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2050)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4563)
	at org.eclipse.swt.internal.gtk.OS._gtk_im_context_get_preedit_string(Native Method)
	at org.eclipse.swt.internal.gtk.OS.gtk_im_context_get_preedit_string(OS.java:8202)
	at org.eclipse.swt.widgets.IME.gtk_preedit_changed(IME.java:290)
	at org.eclipse.swt.widgets.Canvas.gtk_preedit_changed(Canvas.java:195)
	at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2050)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4563)
	at org.eclipse.swt.internal.gtk.OS._gtk_im_context_get_preedit_string(Native Method)
	at org.eclipse.swt.internal.gtk.OS.gtk_im_context_get_preedit_string(OS.java:8202)
	at org.eclipse.swt.widgets.IME.gtk_preedit_changed(IME.java:290)
	at org.eclipse.swt.widgets.Canvas.gtk_preedit_changed(Canvas.java:195)
	at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2050)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4563)
...

Comment 6 Eric Williams

2018-05-11 15:22:08 EDT

Thomas, do you still see such reports?

Comment 7 Eric Williams

2018-06-13 10:32:08 EDT

Closing this ticket now, please re-open if the issue happens in 4.8.