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Printing from an applet on a Mac

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Printing from an unsigned applet is allowed by the java plug-in. When a print request is made it pops up a confirmation dialog after which the print job goes through on Windows. On a Mac, however, a security exception is thrown after the confirmation dialog:

The entire stack trace is copied at the end.

It appears that the applet is trying to open a connection to port 631 on localhost (Port 631 is the standard port for the IPP protocol). Usually an applet is only allowed to open a connection to the host that it came from (not localhost in this case). Therefore, the exception seems reasonable. However, when the print request is sent a second time the print job goes through! I don�t know why!

Has anyone encountered this problem on a Mac (OS 10.4.7; Java version 1.5.0_06) ? Is there a solution?

Thank you.

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