ACIS user statistics graph down, day timeframe

[Nathan Blythe]

The ACIS user statistics plot (day timeframe) is down:
http://www.grid-appliance.org/view/UserDay.html

Maybe it's been this way for a while, but I seem to recall it working
at one point. The other plots work fine. The Java applet reports:

java.lang.NullPointerException
at condor.condorview.TimeGraph.selectDefaults(TimeGraph.java:374)
at condor.condorview.TimeGraph.init(TimeGraph.java:187)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1528)
at java.lang.Thread.run(Thread.java:619)
Exception: java.lang.NullPointerException
CondorView Applet ver 2.0
CondorView Applet ver 2.0
CondorView Applet ver 2.0
java.lang.NullPointerException
at condor.condorview.TimeGraph.selectDefaults(TimeGraph.java:374)
at condor.condorview.TimeGraph.init(TimeGraph.java:187)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Plugin2Manager.java:1528)
at java.lang.Thread.run(Thread.java:619)
Exception: java.lang.NullPointerException

- Nathan

[Renato Figueiredo]

I've seen this happen on and off; I'm not sure what it is, but it's a transient bug, after a while it goes back to normal.
Alain, have you seen this error before?
--rf

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--
Dr. Renato J. Figueiredo
Associate Professor
ACIS Lab - ECE - University of Florida
UF Site Director, Center for Autonomic Computing
http://byron.acis.ufl.edu
ph: 352-392-6430

[David Isaac Wolinsky]

Its an intermittent issue, it is online now. I suspect the issue is
that when view updates, it writes directly to the files being viewed
online. Whereas it should write to temporary files and copy them over
upon completion.

Regards,
David

> <mailto:archer-us...@googlegroups.com>.

[Alain Roy]

I haven't seen the problem before. David, what makes you suspect that
as the problem? It seems like that would imply only a very short
downtime--does a reload of the web page generally fix it for you?

-alain

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[Nathan Blythe]

I saw it for a few days running before I posted. It seems ok now, but
last night the machine statistics (day timeframe again) was doing the
same thing. All of them seem ok now.

When it was happening, a reload didn't make a difference for me (or a
browser / java restart).

- Nathan

> To post to this group, send email to archer-us...@googlegroups.com.

[Alain Roy]

David--did you do anything to get it to work, or did it just start
working magically? This doesn't sound like a problem with how the
files are written, but sounds deeper.

-alain

[David Isaac Wolinsky]

Alain Roy wrote:
> I haven't seen the problem before. David, what makes you suspect that
> as the problem? It seems like that would imply only a very short
> downtime--does a reload of the web page generally fix it for you?
>

Right, typically a refresh in a few minutes resolves the issue.

> To post to this group, send email to archer-us...@googlegroups.com.

[David Isaac Wolinsky]

Alain Roy wrote:
> David--did you do anything to get it to work, or did it just start
> working magically? This doesn't sound like a problem with how the
> files are written, but sounds deeper.
>

Ah, I missed Nathan's follow up. It just started working magically.

> To post to this group, send email to archer-us...@googlegroups.com.

[Alain Roy]

On Nov 11, 2009, at 1:32 PM, David Isaac Wolinsky wrote:
> Alain Roy wrote:
>> David--did you do anything to get it to work, or did it just start
>> working magically? This doesn't sound like a problem with how the
>> files are written, but sounds deeper.
>>
> Ah, I missed Nathan's follow up. It just started working magically.

If it happens again, let me know and I'll try to look at it more
closely while it's happening.

Thanks,
-alain

[Nathan Blythe]

Earlier today I received a different error, in which a pop-up appeared
saying (I forget the exact text): "Error: 9 >= 9", which I assume is
some edge-case assertion. This stopped the plot from loading. It
cleared up within a few minutes though.

- Nathan

On 11/11/09, Alain Roy <alain...@gmail.com> wrote: