@Override
	public void handleError(String title, String message, URL url, IOException cause) {
		Msg.showError(GhidraURLQuery.class, null, title, message + ":\n" + url);
	}
Determine if the task has completed its execution
@return true if done executing else false
Ghidra/Framework/Project/src/main/java/ghidra/framework/protocol/ghidra/GhidraURLQueryTask.java