Strange graph image errors

[SNick]

This one has been populating my application logs for some time and I have no idea why it is called:

"ERROR","web-0","01/08/2015","04:15:12","","file or directory /mypath/WEB-INF/railo/temp//graph/26636CD7-08C9-4095-94D425EEEC499249. png not exist"

Withouth any more details its not easy to trace, any ideas?

Nick

[Denny]

If you don't have any graphs, or users complaining about missing graphs,
maybe it's from the admin, where I think there's a memory graph?

:Denny

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[Thorsten Eilers]

I do have the same missing graph polluted logs and have no clue where do they come from.

Regards

Thorsten 

[SNick]

Perhaps, but these are pretty frequent and I am the only IP who has access to the admin and I dont use it all that often.

[Tony Junkes]

Do you use CAPTCHAs anywhere in your app? I've found that pages using them sometimes get cached in the wild and crawlers etc. land on them; but the png image that's referenced has long been discarded. This resulted in the same error.

If that's the case, then it's harmless. I can't recall but I believe if you change Railo's default error template in the admin to error-public.cfm, that may silence the error.

[SNick]

Yes we do, that may well be it - I might exclude that from crawler paths then - thanks

n

[Denny Valliant]

Nice catch Tony!

I wonder if adding something to robots.txt would solve it?

:Denny