On googling, I find that  GTK is a tool kit that I have never intentionally used for anything. It also relates to graphical interfaces for C programs. My programs are all 100% Java, including any database engines. Is this something that Netbeans secretly used at some time but no longer supports? If so then how to I remove it from older code? It doesn't seem logical for Netbeans updates to destroy working Java programs.

Bayless


On 5/13/20 3:39 PM, Geertjan Wielenga wrote:
What did you find when you googled some of these error messages?

Gj

On Wed, 13 May 2020 at 22:25, Bayless Kirtley <bk...@cox.net <mailto:bk...@cox.net>> wrote:

    Here is another new error message from running an old Java program
    under
    11.1 that always worked under 8.1. This seems related but I don't
    know
    what atk is.


    ** (java:4814): WARNING **: 15:13:57.601: jaw_impl_get_instance
    called
    from jaw_thread. If you are running a screen reader, this is expected
    If you are not running a screen reader, please report this warning to
    the java-atk-wrapper package, explaining how to reproduce this warning


    On 5/13/20 9:03 AM, Bayless Kirtley wrote:
    > I'm still getting multiple error messages whenever I run a Java
    > project under Netbeans 11.1 on Linux Mint 19.3, OpenJDK 8. These
    are
    > samples of the messages.
    >
    > (java:3065): GLib-GObject-WARNING **: 08:52:31.588:
    > ../../../../gobject/gsignal.c:1253: unable to lookup signal
    > "window-state-event" of unloaded type 'GtkWidget'
    >
    > (java:3065): GLib-GObject-CRITICAL **: 08:52:31.588:
    > g_signal_add_emission_hook: assertion 'signal_id > 0' failed
    >
    > (java:3065): GLib-GObject-WARNING **: 08:52:33.532: invalid cast
    from
    > 'GtkToplevelAccessible' to 'JawToplevel'
    >
    > That last one repeats over and over. I have never knowingly used
    GLib,
    > GtkWidget or JawTopLevel. What is going on here?
    >
    > Bayless
    >
    >
    >
    >
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