Hi Jason,

That’s what I thought. We’ll have a look at the nginx timeout settings then.

Thanks a lot!

Robin

From: Jason Pickering [mailto:[email protected]]
Sent: 27 March 2015 11:58
To: Robin Martens
Cc: DHIS 2 Users list; DHIS 2 Developers list
Subject: Re: [Dhis2-devs] [Dhis2-users] DHIS2 - Communication error "0" when 
generating pivot table

Hi Robin,

I think this is caused by the reverse proxy (nginx) timing out before Tomcat 
can actually return a response. You might need to have a smaller (or less 
complex) table , increase the speed of the machine or database server, or have 
a look at how to increase the timeout for nginx, for instance here 
(http://howtounix.info/howto/110-connection-timed-out-error-in-nginx)

Best regards,
Jason


On Fri, Mar 27, 2015 at 10:17 AM, Robin Martens 
<[email protected]<mailto:[email protected]>> wrote:
For your info, this is the error from the nginx error log:

2015/03/27 11:15:55 [error] 1445#0: *109012 upstream timed out (110: Connection 
timed out) while reading response header from upstream, client: 41.74.166.253, 
server: , request: "GET 
/fmis/api/analytics.json?dimension=BJKhSzfBKmv:Ae4qxiqGIfG;CpmfQtBkyz1;DVwxeJ0Xb7I;Ic8vhxrAzoh;MEUrnLoL6XN;NVMJAZYKU5z;NiRivr4ler1;Q6iENGCcTuC;WViHkMizFb9;YTkehaWmzR0;ahc5rJrzMX1;iucW8LchIct;p597QYRZ53h;pnzcAhEZPri;sXydEIf4G1w;uRpDTRApgcP;v0PApklkBX7;z15lLraL5Hc&dimension=IdABfQSGt1m:JEPCGjls8dZ;S1synIzr3Ew;boch7cMML3Q&dimension=UHynmMv2aLn:Kj3XoSFbfup;RoMyDiCiPBK;YGSu51Ps7XJ;opkSFostfHa&dimension=dx:V4ul2HVfbiw;eLMKH6NDAGf&dimension=e1yBdvZPgCq:B6Ww9EbkbPL;F1R4dnundcI;TyUeDhqCEXc;b7fJfWTcMeZ;jEpTjDQ43wH;xYZ6Rl6nWQW&dimension=ou:LEVEL-3;l01au4APkBP&filter=pe:LAST_YEAR&displayProperty=NAME
 HTTP/1.1", upstream: 
"http://127.0.0.1:8080/fmis/api/analytics.json?dimension=BJKhSzfBKmv:Ae4qxiqGIfG;CpmfQtBkyz1;DVwxeJ0Xb7I;Ic8vhxrAzoh;MEUrnLoL6XN;NVMJAZYKU5z;NiRivr4ler1;Q6iENGCcTuC;WViHkMizFb9;YTkehaWmzR0;ahc5rJrzMX1;iucW8LchIct;p597QYRZ53h;pnzcAhEZPri;sXydEIf4G1w;uRpDTRApgcP;v0PApklkBX7;z15lLraL5Hc&dimension=IdABfQSGt1m:JEPCGjls8dZ;S1synIzr3Ew;boch7cMML3Q&dimension=UHynmMv2aLn:Kj3XoSFbfup;RoMyDiCiPBK;YGSu51Ps7XJ;opkSFostfHa&dimension=dx:V4ul2HVfbiw;eLMKH6NDAGf&dimension=e1yBdvZPgCq:B6Ww9EbkbPL;F1R4dnundcI;TyUeDhqCEXc;b7fJfWTcMeZ;jEpTjDQ43wH;xYZ6Rl6nWQW&dimension=ou:LEVEL-3;l01au4APkBP&filter=pe:LAST_YEAR&displayProperty=NAME";,
 host: "197.243.47.210", referrer: 
"https://197.243.47.210/fmis/dhis-web-pivot/index.html";


From: Dhis2-users 
[mailto:dhis2-users-bounces+martens<mailto:dhis2-users-bounces%2Bmartens>[email protected]<mailto:[email protected]>]
 On Behalf Of Robin Martens
Sent: 26 March 2015 16:46
To: DHIS 2 Users list; DHIS 2 Developers list
Subject: [Dhis2-users] DHIS2 - Communication error "0" when generating pivot 
table

Hi devs,

Is there a limit on the pivot table size that can be generated in DHIS2? We’re 
having an extremely large table (in this case used for exporting structured 
data to excel) with indicators that gives a communication error after 
generating. When applied for a different period with less data, the table 
generates normally.

The table contains 1 indicator and 1 data element. When reporting only the data 
element it’s fine, when reporting only the indicator, it gives an error, which 
leads me to think there’s a limit to the calculations somewhere.

Any quick ways to fix this?

Kind regards,

Robin

[cid:[email protected]]
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Jason P. Pickering
email: [email protected]<mailto:[email protected]>
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