[HOP-4469] Hop GUI runs out of handles

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0, 2.1.0
• Fix Version/s: 2.2.0
• Component/s: Hop GUI
• Labels: pull-request-available
• Assignee: Matt Casters
• Reporter: Matt Casters
• Created: 14/Oct/22 13:19
• Updated: 18/Oct/22 14:43
• Resolved: 18/Oct/22 14:43

Description

When browsing folders with thousands of files we see the following error:

Error in the Hop GUI : No more handles
org.eclipse.swt.SWTError: No more handles
        at org.eclipse.swt.SWT.error(SWT.java:4944)
        at org.eclipse.swt.SWT.error(SWT.java:4833)
        at org.eclipse.swt.SWT.error(SWT.java:4804)
        at org.eclipse.swt.graphics.GC.drawBitmapAlpha(GC.java:1266)
        at org.eclipse.swt.graphics.GC.drawBitmap(GC.java:1224)
        at org.eclipse.swt.graphics.GC.drawImage(GC.java:1058)
        at org.eclipse.swt.graphics.GC.drawImageInPixels(GC.java:929)
        at org.eclipse.swt.graphics.GC.drawImage(GC.java:922)
        at org.apache.hop.ui.core.dialog.ContextDialog.onPaint(ContextDialog.java:909)
        at org.apache.hop.ui.core.dialog.ContextDialog.lambda$open$8(ContextDialog.java:481)
        at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89)
        at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4243)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1063)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1087)
        at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1072)
        at org.eclipse.swt.widgets.Composite.WM_PAINT(Composite.java:1536)
        at org.eclipse.swt.widgets.Control.windowProc(Control.java:4803)
        at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:340)
        at org.eclipse.swt.widgets.Display.windowProc(Display.java:5015)
        at org.eclipse.swt.internal.win32.OS.DispatchMessage(Native Method)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3630)
        at org.apache.hop.ui.hopgui.HopGui.open(HopGui.java:380)
        at org.apache.hop.ui.hopgui.HopGui.main(HopGui.java:300) 

Issue Links

• causes: HOP-4485 SWTException: Graphic is disposed when open ContextDialog a second time
• links to: GitHub Pull Request #1741
• links to: GitHub Pull Request #1747