[jbosstools-issues] [JBoss JIRA] (ERT-763) [GTK3] Recursive loop of SWT.Show events [EBZ#551624]

[Eric Williams (Jira)]

     [ https://issues.jboss.org/browse/ERT-763?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Williams reassigned ERT-763:
---------------------------------

      Sprint: devex #173 Oct 2019
    Assignee: Eric Williams


> [GTK3] Recursive loop of SWT.Show events [EBZ#551624]
> -----------------------------------------------------
>
>                 Key: ERT-763
>                 URL: https://issues.jboss.org/browse/ERT-763
>             Project: Eclipse Release Train
>          Issue Type: Task
>          Components: Platform
>            Reporter: Friendly Jira Robot
>            Assignee: Eric Williams
>            Priority: Critical
>              Labels: 4.14_M1, SWT, bzira
>
> Please launch the attached snippet on Windows (tried Windows 10) and Linux (tried latest Antergos). It should show a dialog shell on top of a top-level shell. On Windows, you will see just one line of output:
> Got SWT.Show
> but on Linux you will see an endless list of
> Got SWT.Show
> Got SWT.Show
> Got SWT.Show
> Got SWT.Show
> Got SWT.Show
> Got SWT.Show
> Got SWT.Show
> Got SWT.Show
> Got SWT.Show
> ...
> followed by some critical messages
> ...
> (SWT:8995): GLib-GObject-CRITICAL **: 12:22:33.245: g_closure_add_invalidate_notifier: assertion 'closure->n_inotifiers < CLOSURE_MAX_N_INOTIFIERS' failed
> Got SWT.Show
> ...
> followed by the exception
> Exception in thread "main" java.lang.StackOverflowError
> 	at java.base/java.lang.String.getBytes(String.java:981)
> 	at java.base/java.lang.ProcessEnvironment$Variable.valueOfQueryOnly(ProcessEnvironment.java:166)
> 	at java.base/java.lang.ProcessEnvironment$Variable.valueOfQueryOnly(ProcessEnvironment.java:162)
> 	at java.base/java.lang.ProcessEnvironment$StringEnvironment.get(ProcessEnvironment.java:239)
> 	at java.base/java.lang.ProcessEnvironment$StringEnvironment.get(ProcessEnvironment.java:221)
> 	at java.base/java.util.Collections$UnmodifiableMap.get(Collections.java:1454)
> 	at java.base/java.lang.ProcessEnvironment.getenv(ProcessEnvironment.java:85)
> 	at java.base/java.lang.System.getenv(System.java:996)
> 	at org.eclipse.swt.widgets.Shell.updateDecorations(Shell.java:1808)
> 	at org.eclipse.swt.widgets.Shell.gtk_realize(Shell.java:1865)
> 	at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2195)
> 	at org.eclipse.swt.widgets.Display.windowProc(Display.java:6140)
> 	at org.eclipse.swt.internal.gtk.GTK._gtk_widget_realize(Native Method)
> 	at org.eclipse.swt.internal.gtk.GTK.gtk_widget_realize(GTK.java:8928)
> 	at org.eclipse.swt.widgets.Control.paintWindow(Control.java:623)
> 	at org.eclipse.swt.widgets.Shell.setInitialBounds(Shell.java:2416)
> 	at org.eclipse.swt.widgets.Control.createWidget(Control.java:834)
> 	at org.eclipse.swt.widgets.Scrollable.createWidget(Scrollable.java:163)
> 	at org.eclipse.swt.widgets.Decorations.createWidget(Decorations.java:251)
> 	at org.eclipse.swt.widgets.Shell.<init>(Shell.java:290)
> 	at org.eclipse.swt.widgets.Shell.<init>(Shell.java:369)
> 	at LinuxCrash.lambda$main$0(LinuxCrash.java:16)
> 	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
> 	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5888)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1400)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1426)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1405)
> 	at org.eclipse.swt.widgets.Shell.setVisible(Shell.java:2708)
> 	at org.eclipse.swt.widgets.Shell.open(Shell.java:1944)
> 	at org.eclipse.swt.widgets.Shell.open(Shell.java:1942)
> 	at LinuxCrash.lambda$main$0(LinuxCrash.java:19)
> ...
> 	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
> 	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5888)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1400)



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