CCing the GlassFish alias.
Jan / JeanFrancois - any clues ?
Vijay
On Tue, 2006-08-22 at 14:10, yuyin Song wrote:
> Dear All,
>
> I tried to implement web service. I use Java
> MulticastSocket to do publish-subscribe communication.
> Service is subscriber, the third part, not web service
> client, is publisher.
> So in service side, I use a groupIpAddres (224.9.9.2 )
> and port (10020) to create a MulticastSocket to do
> subscibing. When I test service function, there
> existed some following errors for MulticastSocket to
> join group. The error information is from server log.
> at
> com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:281)
> at
> com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:83)
> Caused by: java.security.AccessControlException:
> access denied (java.net.SocketPermission 224.9.9.2
> connect,accept,resolve)
> at
> java.security.AccessControlContext.checkPermission(AccessControlContext.java:264)
> at
> java.security.AccessController.checkPermission(AccessController.java:427)
> at
> java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
> at
> java.lang.SecurityManager.checkMulticast(SecurityManager.java:1188)
> at
> java.net.MulticastSocket.joinGroup(MulticastSocket.java:269)
>
>
> The error information indicates that the problem is :
> java.security.AccessControlException: access denied
> (java.net.SocketPermission 224.9.9.2
> connect,accept,resolve).
>
> Actually If I do not web service, it does work very
> well. This means that java web service has some
> special limits to access 224.*.*.* address. Thank you
> so much.
>
> Yin
>
>
> The java source code are as
> follows:
>
> try{
> groupAddress =
> InetAddress.getByName(MULTICAST_ADDR);
> }catch (IOException e){
> System.out.println("error in getting group
> address by Name:\t");
> }
>
>
> try{
> multiSocket = new
> MulticastSocket(MULTICAST_PORT);
> System.out.println("Successfully create a
> MulticastSocket:\t");
> }catch (IOException e){
> System.out.println("error in defining
> MulticastSocket:\t");
> System.out.println("MultiSocket Error.");
> }
>
> try{
> multiSocket.joinGroup(groupAddress);
> System.out.println("Successfully joining the
> Group:\t"+groupAddress);
> }catch (IOException e){
> System.out.println("error in joining the
> Group:\t");
> }
>
>
>
>
>
>
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