How manage timeout Session using java SDK?

Hi everyone !

I'm working with BO 4.1 and the Java SDK. I'm refreshing and exporting webi reports in my code. But it happens, sometimes, the report takes longer to refresh (when calling "setPrompts") and the session is over (timeout like when you're connected in the Launchpad).

Is there any specific way for me to test if the call to setPrompts ends without timeout? Because, now, if it ends by a timeout, I do not see anything and I'm exporting a blank document. No error or exception :-/

Do I have to use de EnterpriseSession?

Thanks in advance !