[system test] unable to view Documents on UI

this is a system test but without any specific steps: XDCR replication + couple renalance in/out steps
after running the tests more than a day I am not able to open Documents tab for all buckets(even on USA vms)

stacktrace from Firebug:

Uncaught TypeError: Cannot read property 'length' of undefined documents.js:351
isLastPage documents.js:351
showDocumentListState documents.js:301
(anonymous function) documents.js:529
(anonymous function) cells.js:1483
(anonymous function) cells.js:373
(anonymous function) cells.js:60
.each..forEach underscore.js:76
mkClass.broadcast cells.js:56
notifyWatchers cells.js:354
_.extend.completeCellDelay cells.js:657
_.extend.completeGeneration cells.js:644
mkClass.tryUpdatingValue cells.js:423
_.extend.invokeUpdates cells.js:627

logs on UI:

Client-side error-report for user undefined on node 'ns_1@172.23.105.157':
User-Agent:Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.137 Safari/537.36
Got unhandled error: Uncaught TypeError: Cannot read property 'length' of undefined
At: http://172.23.105.157:8091/js/cells.js:64
Backtrace:
Function: collectBacktraceViaCaller
Args:

---------
Function: appOnError
Args:
"Uncaught TypeError: Cannot read property 'length' of undefined"
"http://172.23.105.157:8091/js/cells.js"
64
36
{}
---------

menelaus_web102 ns_1@172.23.105.157 08:48:04 - Thu May 15, 2014
Client-side error-report for user undefined on node 'ns_1@172.23.105.156':
User-Agent:Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.22+ (KHTML, like Gecko) Chromium/17.0.963.56 Chrome/17.0.963.56 Safari/535.22+ Ubuntu/12.04 (3.4.1-0ubuntu1) Epiphany/3.4.1
Got unhandled error: TypeError: 'undefined' is not an object (evaluating 'page.docs.rows.length')
At: http://172.23.105.156:8091/js/documents.js:351
Backtrace:
Function: collectBacktraceViaCaller
Args:

---------
Function: appOnError
Args:
"TypeError: 'undefined' is not an object (evaluating 'page.docs.rows.length')"
"http://172.23.105.156:8091/js/documents.js"
351
---------

menelaus_web102 ns_1@172.23.105.156 08:32:38 - Thu May 15, 2014
Client-side error-report for user undefined on node 'ns_1@172.23.105.156':
User-Agent:Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.137 Safari/537.36
Got unhandled error: Uncaught TypeError: Cannot read property 'length' of undefined
At: http://172.23.105.156:8091/js/cells.js:64
Backtrace:
Function: collectBacktraceViaCaller
Args:

---------
Function: appOnError
Args:
"Uncaught TypeError: Cannot read property 'length' of undefined"
"http://172.23.105.156:8091/js/cells.js"
64
36
{}
---------

menelaus_web102 ns_1@172.23.105.156 08:21:57 - Thu May 15, 2014
Client-side error-report for user undefined on node 'ns_1@172.23.105.156':
User-Agent:Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.137 Safari/537.36
Got unhandled error: Uncaught TypeError: Cannot read property 'length' of undefined
At: http://172.23.105.156:8091/js/cells.js:64
Backtrace:
Function: collectBacktraceViaCaller
Args:

---------
Function: appOnError
Args:
"Uncaught TypeError: Cannot read property 'length' of undefined"
"http://172.23.105.156:8091/js/cells.js"
64
36
{}
---------

menelaus_web102 ns_1@172.23.105.156 08:14:37 - Thu May 15, 2014
Client-side error-report for user undefined on node 'ns_1@172.23.105.156':
User-Agent:Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.137 Safari/537.36
Got unhandled error: Uncaught TypeError: Cannot read property 'length' of undefined
At: http://172.23.105.156:8091/js/cells.js:64
Backtrace:
Function: collectBacktraceViaCaller
Args:

---------
Function: appOnError
Args:
"Uncaught TypeError: Cannot read property 'length' of undefined"
"http://172.23.105.156:8091/js/cells.js"
64
36
{}
---------

(repeated 1 times) menelaus_web102 ns_1@172.23.105.156 07:01:26 - Thu May 15, 2014
Client-side error-report for user undefined on node 'ns_1@172.23.105.156':
User-Agent:Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.137 Safari/537.36
Got unhandled error: Uncaught TypeError: Cannot read property 'length' of undefined
At: http://172.23.105.156:8091/js/cells.js:64
Backtrace:
Function: collectBacktraceViaCaller
Args:

---------
Function: appOnError
Args:
"Uncaught TypeError: Cannot read property 'length' of undefined"
"http://172.23.105.156:8091/js/cells.js"
64
36
{}
---------

menelaus_web102 ns_1@172.23.105.156 07:00:14 - Thu May 15, 2014

I think the server will be available for some time:
http://172.23.105.157:8091/index.html#sec=documents&viewsBucket=UserInfo&documentsPageNumber=0&documentsFilter=inclusive_end%3Dfalse