Can we do anything about the BT speedtest?

[#1]

While it might be connected to a different issue I'm experiencing: http://community.plus.net/forum/index.php/topic,103927.0.html
I thought I'd post my experience of the BT speediest from last night.
The first test I did at 22:29 showed my upload speed was higher than the upstream profile:

Quote

Download speedachieved during the test was - 5.33 Mbps For your connection, the acceptable range of speeds is 2 Mbps-7.15 Mbps. IP Profile for your line is - 6.38 Mbps Upload speed achieved during the test was - 518Kbps Additional Information: Upstream Rate IP profile on your line is - 448 Kbps

Is this possible?
Then an hour later, and an hour after that, both times the speedtest failed to complete, giving an HTTP Status 500 error:

Quote

HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception java.lang.IllegalStateException: Cannot forward after response has been committed org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1078) org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:396) org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:232) org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462) javax.servlet.http.HttpServlet.service(HttpServlet.java:710) javax.servlet.http.HttpServlet.service(HttpServlet.java:803) note The full stack trace of the root cause is available in the Apache Tomcat/6.0.16 logs. Apache Tomcat/6.0.16

(see attached for a screen shot)
There must be a better way to collect data to send to Plusnet (and BT) to help track down errors...

[#2]

http://test.speedtester.bt.com/
Seems to be dead for me and has been for a number of days now.
Found an alternative BT tester that "worked" but the results weren't believable. At least it gave the profile which is something, just.

[#3]

Where did you get that url from? You should be using http://speedtester.bt.com/

[#4]

Funny I've been using that link for over a year and until recently it always worked.
Thanks for the correct url.

[#5]

The incorrect link restores "reasonable looking" results - it's a better link that the correct one.

[#6]

Yes that's good its started working again.
As to where I got that link - from Kitz .
That link always seems to give more consistent and stable results.

[#7]

I don't see how that could be given that:

C:\Users\John>nslookup test.speedtester.bt.com
Server:  vnsc-lc.sys.gtei.net
Address:  4.2.2.3
Non-authoritative answer:
Name:    test.speedtester.bt.com
Address:  217.35.209.142

C:\Users\John>nslookup speedtester.bt.com
Server:  vnsc-lc.sys.gtei.net
Address:  4.2.2.3
Non-authoritative answer:
Name:    speedtester.bt.com
Addresses:  217.32.105.42
          217.35.209.142

[#8]

The fact that they resolve to the same IP address proves nothing, they could still be running completely different services. However, in this case, they look and behave the same to me.

[#9]

Just noticed today that the BT Above 24Mbps Beta tester now shows  upload speed test and Ping Latency figures whereas yesterday it only gave download information.