Because PlayerProxy#getTeam() holds a reference to another proxy
(TeamProxy), and PlayerProxy is an EntityProxy, you have to explicitly
request the "team" property when retrieving the player from the server. Are
you correctly using a .with("team") in your request? Otherwise, getTeam()
will simply return 'null', which could explain the behavior you're
experiencing.
See
http://code.google.com/webtoolkit/doc/latest/DevGuideRequestFactory.html#relationships
ProxyRenderer#getPaths() helps in populating the .with() of your requests:
when requesting your teams, you don't have to know which properties are
used by the ProxyRenderer, you simply ask it, because the ProxyRenderer
knows what it needs:
getAllTeams().with(myTeamProxyRenderer.getPaths()).fire(...). That way,
when you change the way you render your teams and need more or less
properties, you don't have to update your requests everywhere: simply
update the return value of getPaths() and, provided you always use
.with(x.getPaths()) everywhere, it will "just work".
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