Re: [JDEV] peculiar Connection problem !

[Dov B Katz]

The jabber server needs to run on the same hostname that the webserver is running on.  
However, if you sign your applet/jar it can
connect wherever it wants, I believe.
-Dov

Satish Plakote wrote:

> hi
> I got rid of the problem by upgradding the jdk to 1.4.
> Now i am  stuck in the security issue related to applets.
> Mike can u tell me how did u give ur applet permission to connect to jabberserver.
> My applet is being served by apache server.
>
> Thnkx
> Satish
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of
> Dov B Katz
> Sent: Friday, July 11, 2003 3:30 PM
> To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Subject: RE: [JDEV] peculiar Connection problem !
>
> Mike/Satish
>
> While the applet problem of security is indeed tied to which server is
> used, the fundamental problem Satish is describing is due to having a
> version of JVM which is too low to run with his particular applet....
>
> The setKeepAlive method of java.net.Socket is only available in JRE 1.3 and
> higher... See the javadoc for Socket there... I'm sure he's using the
> standard browser install of either Sun JRE 1.1.8, or Microsoft JVM which is
> also <1.2 compatible.
>
> What you need to do is either:
>
> compile your applet with the target compatibility version set to 1.1.8, and
> see where the errors are and fix them,
>
> or upgrade your browser's java plugin to use Sun's JRE 1.3 or higher. (This
> may be nothing more than changing some settings, if you have JVM installed
> already on the target machine)
>
> Then it is very possible that a security exception like the one described
> by Mike might occur. But currently, that code is never reached because the
> socket can't even be created to connect to anywhere.
>
> -Dov
>
> "Mike Prince" <[EMAIL PROTECTED]> wrote:
> >
> >Solve the root problem; Applets can make connections back to the server
> >where they came from.  Just make sure that Jabber is on the same
> >machine, or your load balancer/firewall makes it look like both are on
> >the same machine.
> >
> >I know this works because I use Jabber applet clients on my website :)
> >
> >Hope that helps,
> >
> >Mike
> >
> >> -----Original Message-----
> >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> >> Behalf Of Satish Plakote
> >> Sent: Thursday, July 10, 2003 3:42 AM
> >> To: [EMAIL PROTECTED]
> >> Subject: [JDEV] peculiar Connection problem !
> >>
> >>
> >>
> >>
> >> hi
> >> I have hit upon a problem while making a connection to a
> >> jabber server.. I am trying to  establish a connection to a
> >> jabber server thro a servlet on my tomcat engine.I am doing
> >> this coz of restriction placed by jvm on applets to make a
> >> connection. I get this exception thrown when i try to make a
> >> connection.
> >>
> >> java.lang.NoSuchMethodError: java.net.Socket: method
> >> setKeepAlive(Z)V not found
> >>         at
> >> com.echomine.net.SocketConnector$_1.run(SocketConnector.java:280)
> >>         at java.lang.Thread.run(Thread.java:479)
> >>
> >> can anyone give me tips to handle this ?
> >> Thnkx
> >> Satish
> >>
> >> _______________________________________________
> >> jdev mailing list
> >> [EMAIL PROTECTED]
> >> http://mailman.jabber.org/listinfo/jdev
> >>
> >
> >
> >_______________________________________________
> >jdev mailing list
> >[EMAIL PROTECTED]
> >http://mailman.jabber.org/listinfo/jdev
> >
> >
>
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