RFR 8048840: File.createTempFile has uninformative failure message

[Alan Bateman]

On 01/07/2014 02:21, Jeremy Manson wrote:
> Oops - forgot to run jtreg. Make that:
>
> diff --git a/src/share/classes/java/io/File.java
> b/src/share/classes/java/io/File.java
> --- a/src/share/classes/java/io/File.java
> +++ b/src/share/classes/java/io/File.java
> @@ -1998,7 +1998,8 @@
>           throws IOException
>       {
>           if (prefix.length() < 3)
> -            throw new IllegalArgumentException("Prefix string too short");
> +            throw new IllegalArgumentException("Prefix string too short: "
> +
> +                                               prefix);
I assume you meant to "+ prefix" here, in which case the change seems 
okay to me. The update to the NulFile test seems okay too.

As a side point then I think the need for a prefix is somewhat legacy 
now and this API could be re-visited some day.

-Alan.