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Migration from Mainframes...

 
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surya.kalyan

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Joined: 09 Jan 2007
Posts: 20
Location: Mumbai

PostPosted: Tue Jul 22, 2008 10:40 am    Post subject: Migration from Mainframes...
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I am working on a project of migrating cobol batch programs to Java.
I have come across a framework called Spring Batch and a few other frameworks internal to my company.

Has anyone ever done such stuff of simuating the Batch environment to Java or any such platforms?? And did u ever feel it worth doing in terms of performance of the applications???
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dick scherrer

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Joined: 23 Nov 2006
Posts: 19270
Location: Inside the Matrix

PostPosted: Tue Jul 22, 2008 8:46 pm    Post subject:
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Hello,

Quote:
I am working on a project of migrating cobol batch programs to Java.
Good luck. For most, this has been an exercise in frustration. There are few similaraties between mainframe batch and java anything. . . This is more of an environment issue rather than a cobol issue.

Quote:
Has anyone ever done such stuff of simuating the Batch environment to Java or any such platforms??
Migrating mainframe batch to unix scripts is not too difficult. A unix script is not one for one with jcl, but with a bit of work, the mainframe batch jobs can be converted. Mainframe cobol can convert to unix (we used MicroFocus cobol) with little re-work - it depends on how the mainframe cobol was implemented.

One big issue is moving the data from the mainframe.

Quote:
And did u ever feel it worth doing in terms of performance of the applications???
Nearly never is the decision to move processes from the mainframe to some unix or win-based server based on performance. Many attempts to move large mainframe systems to win-based servers have completely failed.
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