I get this bug report. Otherwise, everything is fine and thank you for your work.
program.name=DocFetcher
program.version=1.1.25
program.build=20210525-2203
program.portable=true
java.runtime.name=OpenJDK Runtime Environment
java.runtime.version=11.0.21+9-post-Ubuntu-0ubuntu122.04
java.version=11.0.21
sun.arch.data.model=64
os.arch=amd64
os.name=Linux
os.version=5.15.0-91-generic
user.language=fr
org.eclipse.swt.SWTException: Return value not valid. g_object_get_qdata returned unexpected index value, index: -1, table size: 1024
at org.eclipse.swt.SWT.error(SWT.java:4889)
at org.eclipse.swt.widgets.Display.removeWidget(Display.java:5004)
at org.eclipse.swt.widgets.Widget.deregister(Widget.java:487)
at org.eclipse.swt.widgets.Control.deregister(Control.java:177)
at org.eclipse.swt.widgets.Scrollable.deregister(Scrollable.java:201)
at org.eclipse.swt.widgets.Composite.deregister(Composite.java:502)
at org.eclipse.swt.widgets.Widget.releaseWidget(Widget.java:1276)
at org.eclipse.swt.widgets.Control.releaseWidget(Control.java:4724)
at org.eclipse.swt.widgets.Composite.releaseWidget(Composite.java:1551)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1256)
at org.eclipse.swt.widgets.Control.release(Control.java:4702)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1537)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1247)
at org.eclipse.swt.widgets.Control.release(Control.java:4702)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1537)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1247)
at org.eclipse.swt.widgets.Control.release(Control.java:4702)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1537)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1247)
at org.eclipse.swt.widgets.Control.release(Control.java:4702)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1537)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1247)
at org.eclipse.swt.widgets.Control.release(Control.java:4702)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1537)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1247)
at org.eclipse.swt.widgets.Control.release(Control.java:4702)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1537)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1247)
at org.eclipse.swt.widgets.Control.release(Control.java:4702)
at org.eclipse.swt.widgets.Composite.releaseChildren(Composite.java:1537)
at org.eclipse.swt.widgets.Canvas.releaseChildren(Canvas.java:279)
at org.eclipse.swt.widgets.Decorations.releaseChildren(Decorations.java:486)
at org.eclipse.swt.widgets.Shell.releaseChildren(Shell.java:3405)
at org.eclipse.swt.widgets.Widget.release(Widget.java:1247)
at org.eclipse.swt.widgets.Control.release(Control.java:4702)
at org.eclipse.swt.widgets.Widget.dispose(Widget.java:533)
at org.eclipse.swt.widgets.Shell.dispose(Shell.java:3322)
at org.eclipse.swt.widgets.Shell.closeWidget(Shell.java:690)
at org.eclipse.swt.widgets.Shell.gtk_delete_event(Shell.java:1527)
at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2330)
at org.eclipse.swt.widgets.Control.windowProc(Control.java:6830)
at org.eclipse.swt.widgets.Display.windowProc(Display.java:6077)
at org.eclipse.swt.internal.gtk.GTK.gtk_main_do_event(Native Method)
at org.eclipse.swt.widgets.Display.eventProc(Display.java:1537)
at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(Native Method)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4568)
at net.sourceforge.docfetcher.gui.Application.main(Application.java:369)
Anonymous
Will be fixed in DocFetcher 1.1.27.