TempFileHelper java.lang.IllegalArgumentException: Invalid prefix or suffix

[Alan Bateman]

On 31/08/2021 16:24, Michael Hall wrote:
> I am getting this error on code running on a recently downloaded 18 ea.

Do you see this with other JDK releases too? Is it possible that 
java.io.tmpdir has been set on the command line?

> First question. Is “Invalid prefix or suffix” really the best error message for this?
A consequence of running with a security manager is that exceptions need 
to be careful to avoid leaking sensitive data, in this case the location 
of temporary files. So yes, this message is deliberate.

-Alan