Here's some analysis of source code for swt-gtk:
The source file that's at the top of the Java stack is:
org/eclipse/swt/widgets/MenuItem.java
The offending method is
public void setText(String string)
After a bunch of Java code, the call that fails is:
int /*long*/ oldPtr = OS.GTK_ACCEL_LABEL_GET_ACCEL_STRING (label); //THIS ONE
OS.GTK_ACCEL_LABEL_SET_ACCEL_STRING (label, ptr); // We don't reach this line
>From code a bit further up it looks like label is a label widget
(clearly, heh).
This macro is defined in the C files that interface with GTK, under a
section "Field accesors":
#define GTK_ACCEL_LABEL_GET_ACCEL_STRING(arg0) (arg0)->accel_string
Looks like what it does is fetch the accel_string member of the struct
passed as a parameter (a GtkWidget is essentially a struct). To someone
who knows a bit more about Java->C interfacing and/or GTK, it might be
clear under which circumstances the call GtkAccelLabel->accel_string
might segfault. GtkAccelLabel comes from os.c where
GTK_1ACCEL_1LABEL_1GET_1ACCEL_1STRING (familiar as it appears early in
the stack trace file as the name of the Problematic Frame) is defined as
follows:
JNIEXPORT jintLong JNICALL OS_NATIVE(GTK_1ACCEL_1LABEL_1GET_1ACCEL_1STRING)
(JNIEnv *env, jclass that, jintLong arg0)
{
jintLong rc = 0;
OS_NATIVE_ENTER(env, that, GTK_1ACCEL_1LABEL_1GET_1ACCEL_1STRING_FUNC);
rc = (jintLong)GTK_ACCEL_LABEL_GET_ACCEL_STRING((GtkAccelLabel *)arg0);
OS_NATIVE_EXIT(env, that, GTK_1ACCEL_1LABEL_1GET_1ACCEL_1STRING_FUNC);
return rc;
}
So, determining the value for which an attempt to access the
accel_string segfaults would yield more information.
I'll ask for some advice upstream on the Ubuntu package this stuff
should be associated to, for further investigation by people more
knowledgeable than me :)
---
Ubuntu Bug Squad volunteer triager
http://wiki.ubuntu.com/BugSquad
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/789123
Title:
Eclipse crashes/quits without any error messages
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/789123/+subscriptions
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
