Bug 4230 - Invalid DatagramSocket option
Summary: Invalid DatagramSocket option
Status: CLOSED DEFERRED
Alias: None
Product: Red Hat Linux
Classification: Retired
Component: netscape   
(Show other bugs)
Version: 6.0
Hardware: i386
OS: Linux
medium
medium
Target Milestone: ---
Assignee: David Lawrence
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Blocks:
TreeView+ depends on / blocked
 
Reported: 1999-07-27 21:54 UTC by gailizhao
Modified: 2008-05-01 15:37 UTC (History)
0 users

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Last Closed: 1999-08-24 16:38:26 UTC
Type: ---
Regression: ---
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Description gailizhao 1999-07-27 21:54:01 UTC 
Hi,

I have an applet that performs a multicast function on a
Linux machine.  The browser is Netscape communicator 4.51.
The applet is a signed applet and has passed
the "Multicast" privilege checking when the applet is
executed. Right after the privilege checking, the applet
attempts to instantiate a multicastSocket with the
following code: DatagramSocket socket = new MulticastSocket
(6666); At this point, a SocketException occurrs.

The Stack traces are:
invalid DatagramSocket option
at java.net.PlainDatagramSocketImpl.setOption
(PlainDatagramSocketImpl.java:156)
at java.net.MulticastCreate (MulticastSocket.java:111)
at java.net.DatagramSocket. (DatagramSocket.java:115)
at java.net.DatagramSocket. (DatagramSocket.java:101)
at java.net.MulticastSocket. (MulticastSocket.java:92)
at inria.net.MulticastSession.run
(MulticastSession.java:205)  applet code
at java.lang.Thread.run (Thread.java:504)

Note: The same applet running with Netscape communicator
4.51 under Windows is OK.

Can someone tell me what's the cause of this problem?

Thanks.

Larry Hsiao
Foresyte Technologies, Inc.
Comment 1 Bill Nottingham 1999-07-29 16:42:59 UTC 
Do you have multicast support compiled into your kernel?
Comment 2 Bill Nottingham 1999-08-24 16:38:59 UTC 
Corfirmed and reported to Netscape. Unfortunately, since we
don't control the netscape source code, we can't really
fix this.
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