topic CMIS via squid only works for small files in Alfresco Archive

CMIS via squid only works for small files

idwright — Wed, 19 Feb 2014 10:37:50 GMT

I'm trying to help out somebody who is sitting behind a squid proxy server.Using, from Chemistry, the python cmislib but have also tried the java implmentation.The problem is that only small files can be uploaded/updated - 125kb seems to be OK, 256kb not although I manage to upload some slightly lar

Re: CMIS via squid only works for small files

jpotts — Wed, 19 Feb 2014 16:00:14 GMT

Can you verify that this problem does not exist without squid?

Jeff

Re: CMIS via squid only works for small files

idwright — Thu, 20 Feb 2014 07:53:47 GMT

Yes - it works fine without squid.

It's not an option for my colleague but in my local tests exactly the same code/file works when the http(s)_proxy variables are not set to point to the squid instance.

Thanks,
Ian

Re: CMIS via squid only works for small files

idwright — Fri, 28 Mar 2014 08:26:36 GMT

I haven't had much time for this as we've come up with a work around but thought I'd post the following in case it's useful

If I attach strace to the squid process and log the output to the console then larger files will work - if the output of strace is sent to /dev/null then the original behaviour comes back.

So the interaction with squid is definitely the problem but it's not clear to me why - different clients exhibit the same symptoms so a possible next step would be to try a different CMIS server and see what happens