Final answer in z/OS 1.9 is system symbols are not available:
ATB323I Processing of TPADD request has begun.
ATB366I Syntax error in TP profile JCL.
ATB317I Start of statement image records.
1 //EJWSMVS JOB 0344,'(E)JES PWS Server',TIME=NOLIMIT
2 //EJWSMVS EXEC PGM=EJWSMVS,REGION=64M,DYNAMNBR=999
3 //SYSABEND DD SYSOUT=T
//*EJWSTRAC DD SYSOUT=T
4 //EJESIN DD SUBSYS=EJWS,RECFM=FB,LRECL=240,BLKSIZE=240
5 //EJESOUT DD
SUBSYS=EJWS,RECFM=FB,LRECL=240,BLKSIZE=240,BUFNO=1
6 //EJESEXT DD SUBSYS=EJWS
7 //ISFIN DD SUBSYS=EJWS,RECFM=FB,LRECL=80,BLKSIZE=80
8 //ISFOUT DD SUBSYS=EJWS,RECFM=FB,BUFNO=1
9 //ISFEXT DD SUBSYS=EJWS,RECFM=VB,LRECL=32756,BLKSIZE=32760
10 //SYSTSPRT DD SUBSYS=EJWS
11 //SYSTSIN DD SUBSYS=EJWS
12 //SYSTCPD DD DISP=SHR,DSN=TCPIP.&LPARNAME..PARMLIB(TCPDATA)
ATB318I End of statement image records.
ATB342I Start of JCL messages.
STMT NO. MESSAGE
12 IEFC627I INCORRECT USE OF AMPERSAND IN THE DSN FIELD
ATB343I End of JCL messages.
&LPARNAME is a valid symbol on my systems"
D SYMBOLS
IEA007I STATIC SYSTEM SYMBOL VALUES
&SYSALVL. = "2"
&SYSCLONE. = "AC"
&SYSNAME. = "CPAC"
&SYSPLEX. = "LOCAL"
&SYSR1. = "ZOSRD3"
&LPARNAME. = "BOOTSTRP"
&RSULEVL. = "RSU0911"
&ZOSLVL. = "ZOS19"
Dave Gibney
Information Technology Services
Washington State University
> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[email protected]] On
> Behalf Of Jim Mulder
> Sent: Wednesday, January 13, 2010 11:19 PM
> To: [email protected]
> Subject: APPC/MVS Job or STC; System Symbols
>
> >> You will see in Chapter 5, "Controlling the Execution of
Transaction
> Programs",
> >> section "Specific Scheduler JCL Information for TP Profiles", that
> the
> JOB
> >> statement is required and that there is a specific section all
about
> the
> >> &SYSUID variable.
>
> >I think the question here is how much of the JCL conversion and
> >interpretation process happens as a result of running the ATBSDFMU
> >utility? Specifically, for an APPC/MVS transaction, when does MVS JCL
> >conversion take place? When does MVS JCL interpretation take place?
>
> I used to know a fair amount about this 20 years ago when MVS/APPC
> was
> in development, but
> seem to have forgotten a lot. Some code scanning suggests that JCL
> Conversion is done
> when a TP Profile is Added via ATBSDFMU for purposes of syntax
checking
> only.
> Conversion is done again under FMH5 processing in the APPC address
> space
> when a transaction
> for that profile comes into the system. It looks like like the
> results
> of the conversion may be cached
> under some circumstances so that it does not need to be converted
again
> for the next request.
> Maybe that has something to do with the presence of symbols.
>
>
> Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY
>
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