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Endpoint Management Community Blog

Another one on basexmlhttpcallback errors!

Created: 14 Jun 2012 • Updated: 14 Jun 2012
Ludovic Ferre's picture
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So as it appears the BaseXmlHttpcallback problem [1] is a resilient beast... I was involved in an incident this week related to the infamous problem, but on the Symantec Management Platform 7.1 SP1.

As it turned out the root cause was not the same as version 7.0, hence I'm share the information here.

How it looked in the server?

Exactly the same as on version 7.0. Red all over, with almost no room for normal service messages to show (albeit the server was fine).

How it looked on the client?

Very different indeed. First of all the "TaskManagement\Status" folder contained as lot of valid status xml files, nothing like the original 7.0 problem with empty files. Second, the Agent log file was filled with AeXNetComms and ClientTaskAgent errors related to communication.

How we solved it?

Based on the fact that the status messages were present and valid, and on the log error I went for a simple restart of the agent. This resolved the issue, and I received log files from the customer today showing only a tiny fraction of the log files as basexmlhttpcallback errors (153 for 44,768 log entries).

For information below is the (abbreged) result from the aila [2] IIS log file analysis we did in the process. Note how the top 5 hitters account for 31.2% of the workload (390,726 / 1,252,274), and the top 15 for ~54%:

Program read 224226589 bytes from 1252274 lines 

LOG FILE ANALYSIS:: SUMMARY

...

IIS Web-applications results:
	Webapp= /Altiris/NS/Agent/, dir hits =    69067
...
	Webapp= /Altiris/TaskMgmt/, dir hits =  1126850
	Webapp= /Altiris/         , dir hits =     2365
	Webapp= Other             , dir hits =     1321

...

24 hour hit counters:
	Hits counted during hour  0 to  1  was  128630
	Hits counted during hour  1 to  2  was   56832
	Hits counted during hour  2 to  3  was   41897
	Hits counted during hour  3 to  4  was  129594
	Hits counted during hour  4 to  5  was   69745
	Hits counted during hour  5 to  6  was   55009
	Hits counted during hour  6 to  7  was  143476
	Hits counted during hour  7 to  8  was  172862
	Hits counted during hour  8 to  9  was  177676
	Hits counted during hour  9 to 10  was  146895
	Hits counted during hour 23 to 24  was  129654

Ip cache top 20 entries:
	107006, 23.12.199.21
	90279, 23.12.199.120
	73823, 23.12.199.70
	62780, 23.12.199.69
	56838, 23.129.19.27
	53876, 23.12.199.24
	49713, 84.12.11.6
	46626, 82.84.26.13
	27236, 32.45.11.7
	25431, 234.98.45.21
	20836, 216.245.125.76
	18733, 23.12.199.5
	17020, 23.12.199.71
	16272, 212.125.70.65
	14012, 23.12.199.136
	13516, 23.12.199.66
	13283, 23.12.199.20
	12696, 23.12.199.40
	12222, 23.12.199.124
	12193, 23.12.199.123
...

[1] www.symantec.com/connect/node/1545471

[2] http://www.symantec.com/connect/articles/cwoc-2010-aila-050-release-notes