Unhandled exception in the UI thread.

[dsrbecky]

GAPID Version: 0.6.1:0:developer
OS: linux amd64

org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.NullPointerException)
at org.eclipse.swt.SWT.error(Unknown Source)
at org.eclipse.swt.SWT.error(Unknown Source)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Unknown Source)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Unknown Source)
at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:818)
at org.eclipse.jface.window.Window.open(Window.java:794)
at com.google.gapid.Main$UI.show(Main.java:109)
at com.google.gapid.Main.main(Main.java:67)
Caused by: java.lang.NullPointerException
at org.eclipse.jface.viewers.CustomHashtable.hashCode(CustomHashtable.java:268)
at org.eclipse.jface.viewers.CustomHashtable.get(CustomHashtable.java:240)
at org.eclipse.jface.viewers.TreeSelection$InitializeData.(TreeSelection.java:61)
at org.eclipse.jface.viewers.TreeSelection$InitializeData.(TreeSelection.java:53)
at org.eclipse.jface.viewers.TreeSelection.(TreeSelection.java:98)
at org.eclipse.jface.viewers.TreeSelection.(TreeSelection.java:109)
at com.google.gapid.views.StateView.lambda$updateSelectionState$8(StateView.java:356)
at com.google.gapid.util.SelectionHandler$1.lambda$onSuccess$0(SelectionHandler.java:75)
at com.google.gapid.widgets.Widgets.ifNotDisposed(Widgets.java:118)
at com.google.gapid.widgets.Widgets.lambda$scheduleIfNotDisposed$1(Widgets.java:146)
at com.google.gapid.widgets.Widgets.lambda$schedule$0(Widgets.java:138)
at org.eclipse.swt.widgets.RunnableLock.run(Unknown Source)
... 7 more

[ben-clayton]

Duplicate: #966