That's a classic one. Let me walk you through my thinking: /saml_login
as a path is not a path which is stored in the JCR repository (there we
only have /libs, /apps, /content /var, /etc/, /oak:index, /jcr:system at
the toplevel).It seems that here the SlingPostServlet fails to create
this path in the repository (most likely missing write permissions).But
is that really, what we can and should expect? "saml login" sounds like
that someone tries to login via SAML, right?In that case we can imagin...