End Request not allowed (how does this work?)

[Ravi <ravi@xxxxxxxxxxxxx>]

Hello all,

Can someone explain how "end request works" in the following scenarios:

1)
I was in the JDE menu system which has a command line at the bottom and
got into ISQL by typing STRSQL. I ran a query which took a while to run,
so I got into the System Request menu and took option 2, to end previous
request. I got a message "End Request not allowed" (CPF7121).
The call stack entries were: 

 QCMD      
 J98INITA  
 J98INITV  
 P00MENU   
 J00CMDA   
 QCMDEXC   
 QSQIMAIN  
 QSQISE    
 QWSGET    
 QT3REQIO  
           
          
2)
In trying to ivestigate this further, from the menu system, I got into
the command entry screen by "call qcmd", got into ISQL by typing STRSQL,
ran the same query, got into the system request menu, took option 2
which worked and got out of ISQL. 
Call stack entries were:
 QCMD     
 J98INITA 
 J98INITV 
 P00MENU  
 J00CMDA  
 QCMDEXC  
 QCMD     
 QSQIMAIN 
 QSQISE   
 QWSGET   
 QT3REQIO 
          

How is that "end request" worked in the 2nd scenario and not the 1st? 
Would the menu system somehow control this? I am on V4R2M0 if that makes
a difference. How does one create a "request processing program" as
mentioned in the message description of CPF7121?

Thanks in advance.

Ravi
Systems group, Inc
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