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EJB Development on AS/400 m/c. plz help...  RSS feed

 
Jameel Khan
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Hi Guys,
Any 1 out there 2 help me??? My client has asked me to work on a AS/400 system which already has certain functionalities.(As of now i dont know what those functionalities r). I just want to have a very hight level understanding of the things. I have to develeop EJBs(probably entity/session so n so forth), which should extend the functionalities of AS/400 system. What i guess is there is some system/software running on AS/400 m/c, the same thing is to be re-engineered using EJBs(Probably my client want it to be Web based r somthing like that). So i don't understand where to start from, since as far as EJB development is concerned its ok to me, but i don't have any AS/400 knowledge
Certin doubts which i have in my mind are as followes..
(1) How do i get acceess to AS/400 system in my EJBs??
(2) Till now i have been developing EJBs, and came accross EJB Server(e.g Weblogic/WebSphere), DB(Oracle/MS-SQL Server), here i found AS/400 m/c, where does this m/c fits in the picture???
(3) Any link for EJB development using AS/400.
Any help will really be appriciated.
Thanx n Regards
Jameel
 
Jameel Khan
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Guys c'mon...plz reply me.. its quite urgent.
Tx
Jameel
 
Kyle Brown
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You complain that no-one posts after three hours in the middle of the night in the U.S.? Jeez...
Anyway, WebSphere runs perfectly well on the AS/400. There is a variant of DB2 that runs on the 400 as well, so if you need to extend its functionality that way, then that's a no-brainer. The more interesting question is whether or not the "existing functionality" is written using COBOL or RPG on the 400. If so, then your life is going to get more interesting -- there are ways of getting to that (for instance, there's a driver that makes calls to RPG look like JDBC calls for WebSphere) but most experts prefer to use other (even more AS/400-specific) mechanisms to access the existing functions.
All in all, I would say that you DESPARATELY need to find a consultant who knows WebSphere on the 400. Your chances of success without it are pretty slim -- it's not a PC, and if you go in with only PC/Unix knowledge, you'll fail miserably.
For information on WebSphere on the 400, go look both at the IBM website, and also at the IBM redbooks site at www.redbooks.ibm.com.
Kyle
 
Jameel Khan
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Hi,
Tx for responding to my query Well, let me have a look on the site u mentioned.Tx once again ur gr8 help.
Regards
Jameel
 
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