Re: [Php-java-bridge-users] Check whether a java session exists before creating

[<php...@li...>]

Hi Jost,

    My point is, is it possible to configure java_session(); such that
it returns a null when no session currently exists? Or is there any
function to determine whether a session already exists?

Thanks.

Regards,

    Kok Hoor


Hi Kok,


>     I am a newbie using php-java bridge. Is there any way to make any calls
> to Java to return session only if it exists, and not create a new one?

If JavaBridge.war back end is running in a servlet engine or JEE
server, the code:

<?php require_once("java/Java.inc");

java_session();

?>

uses an existing session or creates a new one, depending on whether
your browser(!) has sent a session cookie or not.


>     The reason I ask is because, by default, our existing Java web does not
> create any session until after the user logs into our system.

java_session() (or session_start(), for that matters) should be called
before any response has been created. Furthermore, if an HTTP front-
and a JEE back-end is used, java_session() must be the first Java
statement in your PHP script. Otherwise you'll get an error message
that a session cannot be allocated (you won't get a session, not even
a new one).

It sounds as if your browser has cookies switched off, so that the
server tries to allocate a new session for each request.



Regards,
Jost Bökemeier