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Robert Cemper · Nov 17, 2019

In addition to Nigel's answer.:

A central list of all routines doesn't seem to exist.

But: Search the Documentation for CHUI and you will be surprised.
(CHUI stands for CHaracter based Utility Interface) 
Special findings: 

Robert Cemper · Nov 16, 2019

you use %session.AppTimeout which has a default of 900 (sec).

but SetCookie asks for a Time !
method SetCookie(name As %String, value As %String, expires As %String = "", path As %String = "", domain As %String = "", secure As %Boolean = 0, httpOnlyFlag As %Boolean = 0) 

I see from https://stackoverflow.com/questions/13154552/javascript-set-cookie-with-expire-time
what string this might be.

'Mon, 18 Nov 2019 08:50:17 GMT';

My assumption - your 900 was just not recognized and the default (=session) was set
 

Robert Cemper · Nov 16, 2019

just a guess:

with 850 chars length, this looks somewhat oversized.

and the query itself doesn't make much sense:

?query=.*Cache.*
&documents=*.cls,*.java,*.png,*.confluence,*.html,*.mediawiki,*.tracwiki,*.mdtext,*.shtml,*.doc,*.workingsets,*.chromium,*.patch,*.adoc,*.js,*.emof,*.macrodef,*.markdown,*.bmp,*.htpl,*.diff,*.xml,*.bas,*.xmi,*.ico,*.shtm,*.textile,*.twiki,*.ent,*.ecore,*.wsdl,*.ant,*.svg,*.md,*.prefs,*.jpeg,*.json,*.txt,*.int,*.rtn,*.xhtml,*.server,*.csr,*.mod,*.css,*.csp,*.class,*.xsd,*.docx,*.gif,*.log,*.exsd,*.xsl,*.xslt,*.e4xmi,*.mac,*.setup,*.mvb,*.ad,*.asciidoc,*.wml,*.dtd,*.mvi,*.htm,*.jpg,*.inc,*.properties
&max=2147483647
&sys=1
&gen=0
 

I doubt that you have all those file extensions available in Caché  or IRIS

Reduce it to the few useful ones that you konw from Studio:

*.prj,*.mac,*.int,*.mvi,*.inc,*.bas,*.cls,*.csp,*.csr,*.xml,.*js.*.css,*.xsl.*.xsd,*.mvb,*.dfi
 

Robert Cemper · Nov 13, 2019

by default IRISLIB is always read-only mounted as it holds most of system methods, utilities, compiles, ...
all code that just executes but not changes during runtime  and that you should not try to change

differently, IRISSYS holds all dynamic system data that can change during runtime and therefore requires read-write access
As configurations, namespace tables, .....

Though with system management privileges you may change this.
But I'd recommend not to touch it unless you are an in-depth IRIS expert.

Robert Cemper · Nov 8, 2019

another way to explain your phenomenon:

  • assume you have a.INC
  • assume inside you have #DEFINE vaXYZ
  • next, you have b.INC with an #include a
  • now your class C with include b and using $$$vaXYZ compiles fine
  • later #DEFINE vaXYZ is  removed from a.INC
  • NOTHING HAPPENS
  • you have constructed a time bomb
  • long time later you do any change on class C
  • now your bomb crashes your compilation

I experienced such a case where the bomb was sleeping for 5 years.
Nobody remembered the change of a.INC and not the reason for the change.

Robert Cemper · Nov 8, 2019

It seems that you have lost the ????.inc the includes the definitions of
$$$vaExtentGbl
$$$vaSegment
$$$vaSegmentGbl
$$$vaDataSegName
$$$vaDataDocName
either you  lost the related Include statement or the whole file is lost sad

So in Studio run a "search in files" over *.inc for 

#Define vaExtentGbl
#Define  vaSegment
#Define  vaSegmentGbl
#Define  vaDataSegName
#Define  vaDataDocName
to find out which .inc you are missing.

The query you changed is totally unrelated to it, as far as it seems. 

Robert Cemper · Nov 6, 2019

OK.
It took some investigations to understand what's going on.

the is a Class Parameter XMLUSEEMPTYELEMENT = 1;
it switches between <Ping></Ping>  and <Ping />

BUT: if ALL Properties of your reply are empty then you just get 
an empty body  <soapenv:Body></soapenv:Body>

as soon as you set some dummy value into Property Ping you get  <Ping> </Ping>
or you add a dummy property.

Digging into %SOAP.... message classes shows, that the generated messages don't use  XMLUSEEMPTYELEMENT parameter.
 

Robert Cemper · Nov 6, 2019

if you add to your data class

Class NAMEHERE.myDate [ ClassType = datatype, ClientDataType = DATE, OdbcType = DATE, Not ProcedureBlock, SqlCategory = DATE ]

these 2 methods you get a kind of self healing code.
It is accessed every time you load or save your property 

ClassMethod LogicalToStorage(in As NAMEHERE.myString = "") As NAMEHERE.myDate [ CodeMode = expression ]
{
$s(+in'=in:$zdh(in),1:in)
}
ClassMethod StorageToLogical(in As NAMEHERE.myString = "") As NAMEHERE.myDate [ CodeMode = expression ]
{
$s(+in'=in:$zdh(in),1:in)
}
Robert Cemper · Nov 5, 2019

Hi Alex,

 "in logical Mode the date shows normal format, in my case, for example 10/1/2019"

in logical mode you get the pure content from global which is here  NOT a $H value !!

$ZD() expects an Integer to convert    =>   it is just +"10/1/2019" => 10

then $ZD(10) = " 10/1/1841"    

So it seems that some of your Dates are not stored using DisplayToLogigal resulting in an Integer
but written directly (e.g. coming from ZEN) into your object / global.

To fix it you may run something like   if +in'=in set in=$zdh(in))