java - printStackTrace() on appengine -

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java - printStackTrace() on appengine -

i'm noob here.

on appengine servlet gives me 500 error caused this:

try{ classifiedtweet = sentanalysis.classifytext("en", "i happy"); }catch(mashapeclientexception mce){ mce.printstacktrace(); }

when comment out works, want see why not working.

help please

update 1

i found similar here

just solution doesn't work me

you should see stacktrace on console itself. if uploading app appspot.com can go appengine.google.com application go logs. there find stacktrace under tag error.

java google-app-engine

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