---
title: "Error 500 calc Servlet.init"
url: "https://openforis.support/questions/742/error-500-calc-servletinit"
tags: ["calc"]
status: "closed"
score: 0
answer_count: 1
asked: "2016-09-21T03:52:42"
last_activity: "2016-09-23T11:17:59"
source: "Open Foris Support - Q&A Forum"
license: "Copyright Open Foris, 2026. Some rights reserved under creative commons license."
---

# Error 500 calc Servlet.init

Asked by phuquy188 on 2016-09-21

i have problem, when i turn on Calc. i get a red window and a message  "Etat HTTP 500 - Servlet.init() for  Servlet spring threw exception"


## Answer (score 0, by Mino Togna on 2016-09-21)

Link: https://openforis.support/questions/742/error-500-calc-servletinit/749

It's possible that something went wrong with the installation, however without the description of the error it's difficult to check.

Can you try to post the error message you see?

Thank you,

Mino