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Hi Folks,

This may be an oft repeated question/query here but still wanted some kind of a suggestion/workaround for the same.

Environment:
KonaKart-5.2.0.0 Community Edition
Liferay 6.0.5 with Tomcat 6.0.26 on MySQL

I have deployed KonaKart as a portlet in liferay and so far so good.

Now we want to open an communication channel/integration between KonaKart and our Liferay custom portlets.

For example,
On any Konakart 'Order' checkout, we need to call out liferay portlet with the 'Order' detail where in we will be doing some processing and storing the data in liferay database in a separate table.Also the checkout process will continue on Konakart's end.
This just one of many scenarios we need to handle.


Following are the options this kind of communication that we can think of -

1)Web Services
From what we have researched, it seems that web services have a axis compatibility issue.
Now does that mean Liferay webservices are not available to KonaKart or vice-versa or in both directions its not working?

2)RMI
As currently we cannot go for Enterprise Edition, this is not feasible

3)Direct Java/POJO
Can our functionality be fulfilled by using this POJO engine of Konakart?

Also, is there any other way of interation for achieving this functionality ?

Thanks for any help/hint/suggestion

Regards,
LR