I am also using java comm API version 2 and i can display all the port names and types through a servlet. so no magic here. Maybe you should use a simple program like this to test your environment first ?

Plus one more point , i have copied comm api files (dll , properties file and comm jar file ) under my JDK/JRE as well as my system JRE.
Hope this helps.

Rajeev.


vrinda ullas wrote:
hi rajjev,
i am using communication api version 2.
i am trying to control a relay through serial port.I first built ajava
application to do the same. It works fine.But on trying to convet the
same into a web based application i don,t get any results.

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