This scan encountered a fatal error and stopped, the detailed report is not available.
Hi,
First of all - great work on arachni - I really like this tool!
I'm using Arachni v0.4.6 using Webui version v.0.4.3.
Until now all my scans ran successfully - but now on a certain page the scanner stops after some time and shows the message "This scan encountered a fatal error and stopped, the detailed report is not available."
Any hints where I could start looking for what went wrong? The site isn't meant to be public available yet so I'd rather would not share the link (maybe per email but not here in the discussion)
Thanks in advance!
Bernhard
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Support Staff 1 Posted by Tasos Laskos on 15 Apr, 2014 12:19 AM
Hey there,
Thanks for the kinds words.
This error occurs when the scanner process dies (well, when it no longer responds to RPC requests to be more precise) for any reason. There are a few possible causes for this:
killall ruby
or something?).dmesg
and check if it says anything relevant.Also, have a look under
system/logs/
, the logfiles could contain errors that explain this.Do let me know if you find anything interesting, I'd really like to fix this.
Cheers
2 Posted by bernhard.schell... on 15 Apr, 2014 12:25 AM
wow that was quick :)
anything i can do about it? I will upgrade the instance to a bigger one and try again.
THANKS
Support Staff 3 Posted by Tasos Laskos on 15 Apr, 2014 12:34 AM
Well, 470MB isn't that bad but I see that the micro instance has only 615MB, you better switch to a bigger instance otherwise scans will keep dying unexpectedly.
However, you could try lowering the
--http-queue-size
[1] option to lower RAM consumption but there's no guarantee that it'll stay low enough for the duration of the scan so as to not be killed by the kernel again.Cheers
[1] https://github.com/Arachni/arachni/wiki/Command-line-user-interface...
Tasos Laskos closed this discussion on 15 Apr, 2014 11:01 PM.
bernhard.schelling re-opened this discussion on 16 Apr, 2014 10:06 PM
4 Posted by bernhard.schell... on 16 Apr, 2014 10:06 PM
just fyi - switched to a medium instance, no more problems.
Would be nice if available ram would be checked on startup and a warning issued :)
Support Staff 5 Posted by Tasos Laskos on 16 Apr, 2014 10:09 PM
That'd be impossible, there's no way to know how much RAM any given scan is going to consume. It all depends on the webpage.
Tasos Laskos closed this discussion on 16 Apr, 2014 10:45 PM.