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Internal Server Error 500


I am using the NWDS to change the standard SAP software component ess~cod. My requirement is to add several extra fields and to remove an existing one. After investigating into this problem i found that the screen fields are controlled by a R/3 function module. I have copied and changed the coding for the function module into a new one. From the NWDS point of view I have reimported the standard SAP BAPI Model in the business logic component with my extra Z Function module. I have changed to context mappings to point to the Z function module. The mappings i changed were between the model context and controller context. Now when i try to test this by running and deploying i get an internal server 500 error. There is no description about the error on the web page. I assume i don't need to do anything with the JCo connections because i am using an existing RFC Model and JCO connections for this already exist and are green(active). I have tried to restart the J2EE engine but this has made no difference. What is unusual is that when i put the changes back to standard SAP it is still not working.

Can anyone please help me?

Many thanks


Former Member
Former Member replied

Hi Siva,

The HTTP code 500 indicates internal error in your application.

Check on to the stacktrace in

<local drive>:\usr\sap\XXX\YYY\j2ee\cluster\server0\log

and check the latest files and lines with notepad.

This should help u in finding the exact error.

But what u r trying is correct. Just do this. Remove all the mappings from model - controller and then controller - view. Now reimport the model.

Restart the cluster.

Now Map ur nodes.

Hope it solves it.



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