---
title: "isValid Exceptions"
canonical: "https://support.appfire.com/space/SQL/74321934/isValid%20Exceptions"
format: markdown
---
> Macro (aura-html)

# Symptoms

<span style="color: #333333">Various exceptions containing the word</span><span style="color: #333333"> </span>**isValid**<span style="color: #333333">. Usually on later versions of Confluence (5.8 and higher) that use a newer version of Tomcat.</span>

## Cause

This is a known issue with newer versions of Tomcat.

## Resolution

<span style="color: #333333">Add a validation query to your configuration.</span>[SQL-376](https://appfire.atlassian.net/browse/SQL-376) - Getting issue details... <span style="color: #707070">STATUS</span><span style="color: #333333"> </span><span style="color: #333333">and related.</span>