Implication of commenting this code

[madhuusa]

Hello Team, AppNair,
In one of customer's OScript module, there is usage of this code. What the module does is
: Given the object of the folder, the category name, one of the value of the attribute (along with attribute name)
: the module retreives all the document's atribute value and puts in a list. So you have 20 documents in the folder, we get a list of attribute values for each of the document.
: This module is used extensively and as such for say 10000 folders and around 100000 documents the cats/atts are fetched.

The code has the following snippet and what happens is that the catVersion.Definition.ValueTemplate.Values (which is an Assoc) gets weird.

Meaning, the assoc's keyValue becomes like '\\2\\', '\\\\2 \\\\\' and so on after each pass this \\ becomes so huge the convert function inside the if loop uses a string conversion of this keyvalue and crashes the livelink server.

I basically commented the code and the crash does not happen (obviously since the string manipulation does not happen).

But can anybody tell the impact of commenting the code. In terms of the output/performance/memory/etc we are not seeing any impact.


/*if result.OK
//We now must convert the LLIAPI cat value tree to the CAT version spec for the Value Template
if Assoc.IsKey( catVersion.Definition.ValueTemplate, 'Values' ) //Do not Xlate
result = ._ConvertInternalValueTree(catVersion.Definition.ValueTemplate.Values)
end
end*/

Madhu

 

[ggriffit]

Without seeing the rest of the module code to see how it has been implemented it will be very hard to confirm that the fix resolves the issue you experience.

Have you tested this fix with LLExplorer and the web client ?
have you spoken to the author to understand why it does that ?

Greg Griffiths
Livelink Certified Developer & ECM Global Star Champion 2005 & 2006

http://www.greggriffiths.org/livelink/

 

[appnair]

whyt do you think the number of items is what causes the crash.Could it be just that a undefined value or some exception is crashing it.Put logs on and post trace log if the trace log indicates the module that you are talking about then it is time to ask the coder for explanataion otherwise as Greg says your finding may not stand.

Well, if I called the wrong number, why did you answer the phone?
James Thurber, New Yorker cartoon caption, June 5, 1937
Certified OT Developer and probably certfiable,Livelink ECM Champion 2008

http://www.linkedin.com/in/appunair

 

[madhuusa]

Thanks Greg and AppNair. Appreciate your quick response.

The coder has vanished long time back

To give a background, Webservice (via java) calls this oscript module function and this function returns output as I had explained.

No LL explorer or web client is involved.

The assoc comes like below into the if loop. If you notice the keyvalue has slashes like '\'5\''.

This becomes HUGE (below) and when a string operation is being done on this huge value it spikes the memory and crashes it.

Commenting the code has no impact on output so far since the Assoc Values has the values and that is being obtained. But the if loop then goes below that and during that time encounters the big slashes and crashes the server (after say 10 or 15 iterations as the slash keeps on growing).

A<1,?,
'catID'=A<1,?,'DisplayName'='CVPR-New',
'ID'=3374265,
'Type'=0,
'Upgradeable'=false,
'Version'=1>,'data'=A<1,?,'CustomID'=0,'ID'=1,'Values'={A<1,?,2=A<1,?,'ID'=2,'Values'={'CVR'}>,3=A<1,?,'ID'=3,'Values'={'type_new'}>,4=A<1,?,'ID'=4,'Values'={'date_new'}>,5=A<1,?,'ID'=5,'Values'={'entity_name'}>,6=A<1,?,'ID'=6,'Values'={?}>>}>,'definition'=A<1,?,'Children'={A<1,?,'DisplayLen'=32,'DisplayName'='report_category','FixedRows'=true,'ID'=2,'Length'=32,'MaxRows'=1,'NumRows'=1,'RegionName'='Attr_3374265_2','Required'=false,'Search'=true,'Type'=-1>,A<1,?,'DisplayLen'=32,'DisplayName'='report_type','FixedRows'=true,'ID'=3,'Length'=32,'MaxRows'=1,'NumRows'=1,'RegionName'='Attr_3374265_3','Required'=false,'Search'=true,'Type'=-1>,A<1,?,'DisplayLen'=32,'DisplayName'='date','FixedRows'=true,'ID'=4,'Length'=32,'MaxRows'=1,'NumRows'=1,'RegionName'='Attr_3374265_4','Required'=false,'Search'=true,'Type'=-1>,A<1,?,'DisplayLen'=32,'DisplayName'='business_entity_name','FixedRows'=true,'ID'=5,'Length'=32,'MaxRows'=1,'NumRows'=1,'RegionName'='Attr_3374265_5','Required'=false,'Search'=true,'Type'=-1>,A<1,?,'DisplayLen'=32,'DisplayName'='aggregate_commitment','FixedRows'=true,'ID'=6,'Length'=32,'MaxRows'=1,'NumRows'=1,'RegionName'='Attr_3374265_6','Required'=false,'Search'=true,'Type'=-1>},'DisplayName'='CVPR-New','FixedRows'=true,'ID'=1,'MaxRows'=1,'Name'='CVPR_New','NextID'=7,'NumRows'=1,'Required'=false,'Type'=-18,'ValueTemplate'=A<1,?,'ID'=1,'Values'={A<1,?,'\'2\''=A<1,?,'ID'=2,'Values'={?}>,'\'3\''=A<1,?,'ID'=3,'Values'={?}>,'\'4\''=A<1,?,'ID'=4,'Values'={?}>,'\'5\''=A<1,?,'ID'=5,'Values'={?}>,'\'6\''=A<1,?,'ID'=6,'Values'={?}>>}>>>

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