[Glass] Gem go down when ex retry is manage for aBlock on: do:

[Dario Trussardi]

Hi,

> HI,
> 
> 	i have a code to open tcp/ip connection and send data to relative printer device.
> 
> 
> 	The code work fine into Pharo but i have problem into GLASS.
> 
> 
> 	The code is :
> 
> 	[TicketBaseTipoCentriCarico newOn: dcmModel dettagli: tfDettagli onPrinter: rfrMaster aPrinterTicket ]
> 					
> 								on: Error do: [:ex | 
> 												

	i remove the jqDialog user action 

> 												self  jqDialog: (DTRCassaDialogConferma openOnException: ex onModel: dcmModel)
> 	
> 												title: 'ERRORE STAMPA'.
> 	
	and add :			  ( Delay forSeconds: 20) wait.

> 											
> 											ex retry]
> 

	With this code the 	ex retry 		work fine :    it loop until the connection is ok.

	
	A this point how i can manage the browser interface to advised the user  of the connection problem and resubmit the printer task ?


The AbstractException class   retry method  is :

	AbstractException	retry
	  "When sent within an ANSI handler's handlerBlock ,
	   resume execution by sending  #value  to the receiver of the
	   #on:do: send which installed the currently active handlerBlock ,
  	 and using the stack frame of that #on:do: .

 	  Any ensure: blocks between top of stack and that #on:do: will 
  	 be executed and stack trimmed back before resuming execution.
 
  	Generates an error if sent within a legacy handler's handlerBlock,
  	or if stack trim would cross the frame of a C primitive or user action."

	^self retryUsing: nil

	This		 user action		 is in conflict with the jqDialog ???

	Thanks for any advise,

		Dario
	
> 
> 	A) 	The	block :
> 
> 			 [TicketBaseTipoCentriCarico newOn: dcmModel dettagli: tfDettagli onPrinter: rfrMaster aPrinterTicket ]
> 					
> 
> 		open a tcp/ip connection and send data to the printer.
> 
> 	B) The 	on: Error do: [:ex | 
> 
> 			is define to manage  some connection problem ( for example if the tcp/ip  printer is off )
> 
> 			If this happens the   jqDialog is open  to indicate at the user the problem.
> 
> 
> 	
> 	Now in Pharo when i have a connection problem and the:		 ex retry		   is execute   all work fine,
> 
> 		and the retry  loop with jqDialog  segnalation  until the  connection is ok,  and the ticket is printed.
> 
> 	
> 	Into GLASS when i have connection problem and the:	   ex retry 		is  execute  the relative gem go down 
> 
> 			and i need soon to restart  the GLASS environment  (All WAFastCGIAdaptor is down )
> 	
> 
> 	Thanks for any considerations.
> 
> 		Dario
> 
> P.S. Of course if the connection is ok all works fine in both the environment.
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