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Why do I get "MESSAGE Unhandled event loop exception !STACK 0 org.eclipse.swt.SWTError: No more handles" error when I try to open a visual snippet using IBM Integration Designer

Question & Answer


Question

Using IBM Integration Designer, when I try to open a visual snippet, I get the following error on the console:
Visual snippet
In the <IID_workspace_root>/.metadata/.log file, I see the following error:
MESSAGE Unhandled event loop exception

!STACK 0

org.eclipse.swt.SWTError: No more handles

at org.eclipse.swt.SWT.error(SWT.java:4467)

at org.eclipse.swt.SWT.error(SWT.java:4356)

at org.eclipse.swt.SWT.error(SWT.java:4327)

at org.eclipse.swt.widgets.Widget.error(Widget.java:476)

at org.eclipse.swt.widgets.Control.createHandle(Control.java:703)

at org.eclipse.swt.widgets.Composite.createHandle(Composite.java:306)

at org.eclipse.swt.widgets.ToolBar.createHandle(ToolBar.java:300)

at org.eclipse.swt.widgets.Control.createWidget(Control.java:743)

at org.eclipse.swt.widgets.Scrollable.createWidget(Scrollable.java:133)

at org.eclipse.swt.widgets.ToolBar.createWidget(ToolBar.java:400)

at org.eclipse.swt.widgets.Control.<init>(Control.java:111)

at org.eclipse.swt.widgets.Scrollable.<init>(Scrollable.java:74)

at org.eclipse.swt.widgets.Composite.<init>(Composite.java:96)

at org.eclipse.swt.widgets.ToolBar.<init>(ToolBar.java:105)
Why is this occurring and how can I resolve this?

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Document Information

Modified date:
11 November 2021

UID

ibm16515222