---
title: "Validation Query Throwing Exception"
canonical: "https://support.appfire.com/space/SQL/74321736/Validation%20Query%20Throwing%20Exception"
format: markdown
---
> Macro (aura-html)

# Symptoms

One or more SQL Macro returns the following error:

```
org.apache.tomcat.dbcp.dbcp.SQLNestedException:
Cannot create PoolableConnectionFactory (Syntax error: Encountered
```

## Cause

<span style="color: #333333">The validation query is either not supported or you are using incorrect syntax.</span>

## Resolution

<span style="color: #333333">Remove the validation query or ensure it is correct for your database</span>.