Re: RFR 8048840: File.createTempFile has uninformative failure message

[Alan Bateman]

On 02/07/2014 01:02, Jeremy Manson wrote:

Here you go (far too lazy to generate a webrev for this. :) )

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
@@ -1997,8 +1997,10 @@
                                       File directory)
         throws IOException
     {
-        if (prefix.length() < 3)

- throw new IllegalArgumentException("Prefix string too short");

+        if (prefix.length() < 3) {

+ throw new IllegalArgumentException("Prefix string \"" + prefix +

+                "\" too short: length must be at least 3");
+        }
         if (suffix == null)
             suffix = ".tmp";

This looks okay and I see Martin is going to sponsor this.

-Alan