private boolean isUnrecoverableException(Throwable t) {

		//@formatter:off
		return t instanceof ConnectException ||
			   t instanceof NoTransactionException ||
			   t instanceof TerminatedTransactionException ||
			   t instanceof DomainObjectLockedException ||
			   t instanceof ClosedException;
		//@formatter:on
	}
Returns command associated with this task

@return background command
Ghidra/Framework/Project/src/main/java/ghidra/framework/plugintool/mgr/BackgroundCommandTask.java