Com.sapportals.connector.connection.ConnectionFailedException: Connecti

Dear friends,
I am facing a strange problem
I am using JCA connection to call RFC functions.
I am able to connect and call RFC with an user in an iView
i have another user created.
Using that user at SAPGUI, i could able to logon and work.
But if i map my EP user to the second one,
i am unable to make connection with R/3.
The error it is giving is
com.sapportals.connector.connection.ConnectionFailedException: Connection Failed: Nested Exception. Failed to get connection
I don't understand the problem
can anybody have solution on the same.
plz reply thanx in advance
Kantha

Hi Kantha,
       There is a nice log file called
dev_rfc.trc
for all the connections exceptions made to R/3. it's under usr->sap->xxx->j2ee->cluster->server. Can you read the trace file, if you trouble figuring out the problem from trace file then can you post the trace file. thank you.

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