topic Re: JCO error in Application Development and Automation Discussions

JCO error

Former Member — Mon, 23 Jun 2008 04:25:23 GMT

Hi Expert,

I got an JCO erro: Screen output without connection to user. how could I do?

Thanks very much!

Cliff

Former Member — Mon, 23 Jun 2008 04:43:59 GMT

Hi,

This query has to be posted in web-dynpro forum and not here. there u'l get quicker replies.

Former Member — Mon, 23 Jun 2008 06:18:20 GMT

Hi Cliff,

Check if your JCO Connection is active.

Regards,

Sai

Former Member — Mon, 23 Jun 2008 06:21:31 GMT

Hi Sai,

Thanks. it is active and it did part of the job but for the part of function that need pop-up failed.

Thanks for your help anyway.

Cliff

athavanraja — Mon, 23 Jun 2008 06:25:21 GMT


Screen output without connection to user.

this is because , the underlying ABAP code is trying the call a screen which is not possible in RFC calls.

Raja

Former Member — Mon, 23 Jun 2008 06:52:25 GMT

Hi Raja,

but it works when i code inside R3 system use

CALL FUNCTION 'a'

STARTING NEW TASK '1'

DESTINATION 'b'

Performing Resp ON END OF TASK.

i just want to call my fuction 'a' by JCO... because i need complie it to a EXE file wich can be executed when windows start.

Many thanks !

Cliff

athavanraja — Mon, 23 Jun 2008 07:00:11 GMT


but it works when i code inside R3 system use

thats because you are in sapgui environment which can process sapgui screens.

what does the function 'a' exactly does? may be we can think of an alternate.

Raja

Former Member — Mon, 23 Jun 2008 07:03:37 GMT

Hi Raja,

the fuction is going to execute catt/ecatt which nees SAPGUI sometimes...

Many thanks anyway for your help!

cliff