Class javax.annotation.CheckForNull n ot found - continuing with a stub.

HI Team,

New bee to Gatling

gatling version : 2.2.3

when am running the put request getting the below exceptions and the request is failing with 400

[WARN ] i.g.c.ZincCompiler$ - Class javax.annotation.CheckForNull n

ot found - continuing with a stub.

i.g.c.ZincCompiler$ - Class javax.annotation.Nonnull not fo

und - continuing with a stub.