Spring LockTimeoutException?

[Cantor, Scott]

> Has anyone else run in to this?

Yes, any time you have a single client submit a bunch of requests and they're backing up, it will timeout.

> ... that's our lightly loaded production IdP, which just locked itself
> up pretty hard. Tomcat 8 couldn't grab hold of itself to shut down; we
> had to kill -9 the process.

That means the requests were hung, so either your heap ran out or your authn/attr back-ends hung.

-- Scott