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Unable to start on macOS 10.15.6

See original GitHub issue

After installing Zulu and installing Dataloader v50.0.0 I get the following error on startup. The same issue occurs with versions back to v45.0.0:

2020-09-01 16:59:45,124 INFO  [main] controller.Controller initLog (Controller.java:468) - Reading log-conf.xml in /Users/alex/dataloader/v50.0.0/configs/log-conf.xml
2020-09-01 16:59:45,149 INFO  [main] controller.Controller initLog (Controller.java:477) - The log has been initialized
2020-09-01 16:59:45,158 INFO  [main] controller.Controller createDir (Controller.java:306) - Config directory already exists: /Users/alex/dataloader/v50.0.0/configs
2020-09-01 16:59:45,159 INFO  [main] controller.Controller initConfig (Controller.java:396) - Looking for file in config path: /Users/alex/dataloader/v50.0.0/configs/config.properties
2020-09-01 16:59:45,159 INFO  [main] controller.Controller initConfig (Controller.java:429) - User config is found in /Users/alex/dataloader/v50.0.0/configs/config.properties
2020-09-01 16:59:45,232 INFO  [main] controller.Controller initConfig (Controller.java:439) - The controller config has been initialized
2020-09-01 16:59:45,731 INFO  [main] config.LastRun load (LastRun.java:96) - Last run info will be saved in file: /Users/alex/dataloader/v50.0.0/configs/ui_lastRun.properties
java.lang.NullPointerException
	at org.eclipse.swt.widgets.Control.internal_new_GC(Unknown Source)
	at org.eclipse.swt.graphics.GC.<init>(Unknown Source)
	at org.eclipse.swt.graphics.GC.<init>(Unknown Source)
	at org.eclipse.swt.custom.CLabel.getTotalSize(Unknown Source)
	at org.eclipse.swt.custom.CLabel.onPaint(Unknown Source)
	at org.eclipse.swt.custom.CLabel$1.paintControl(Unknown Source)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
	at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
	at org.eclipse.swt.widgets.Display.sendEvent(Unknown Source)
	at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
	at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
	at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
	at org.eclipse.swt.widgets.Control.drawWidget(Unknown Source)
	at org.eclipse.swt.widgets.Canvas.drawWidget(Unknown Source)
	at org.eclipse.swt.widgets.Widget.drawRect(Unknown Source)
	at org.eclipse.swt.widgets.Canvas.drawRect(Unknown Source)
	at org.eclipse.swt.widgets.Display.windowProc(Unknown Source)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
	at org.eclipse.swt.widgets.Display.applicationNextEventMatchingMask(Unknown Source)
	at org.eclipse.swt.widgets.Display.applicationProc(Unknown Source)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method)
	at org.eclipse.swt.internal.cocoa.NSApplication.nextEventMatchingMask(Unknown Source)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
	at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
	at org.eclipse.jface.window.Window.open(Window.java:801)
	at com.salesforce.dataloader.ui.LoaderWindow.run(LoaderWindow.java:149)
	at com.salesforce.dataloader.controller.Controller.createAndShowGUI(Controller.java:266)
	at com.salesforce.dataloader.process.DataLoaderRunner.main(DataLoaderRunner.java:50)