I asked a question [here](https://stackoverflow.com/questions/55398962/hikari-wont-load-after-migration-to-aws?noredirect=1#comment97518307_55398962) that I think I may have found the root of. I have a Spring Boot app using a datasource, `net.sourceforge.jtds.jdbc.Driver`, that is supposed to be included transitively by Spring Boot 2.0.2 with `spring-boot-starter-jpa`. However, when I run 

`jar tf my.jar | grep jtds`

the driver class isn't found (we don't have a maven executable on the server to list the classpath). Everything I do to inspect the classpath reflects that the jar isn't there.

I've done this in 2 scenarios: 1) When I didn't explicitly add the jar to my pom, I got the error reported in my previous post. 2) When I **do** add it explicitly to the pom, I get this error:

```
java.lang.IllegalStateException: Cannot load driver class: net.sourceforge.jtds.jdbc.Driver

```

Can someone tell me what's going on?? I am confounded as to why this class can't be found and loaded.