Re: Signed Java applet with correct manifest cannot write to home directory

From:
Robert Klemme <shortcutter@googlemail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Thu, 14 Nov 2013 20:02:21 +0100
Message-ID:
<bekl28FsbueU1@mid.individual.net>
On 13.11.2013 11:17, Thomas Richter wrote:

When I run this applet from firefox, windows or linux, everything is
fine. The user gets a warning that the applet will or might write to
local files, though the warning states that the certificate is correct,
and states its origin correctly. All fine.

However, if I run the same applet from Safari, I *also* get the warning,
the applet runs, but saving solutions requiring write access to the
local home directory does *not* work. The system creates a "permission
denied" error. I do not get any warning or error messages on the java
console, and all I see when starting the applet is the typical warning
that this is an applet requiring full access to the desktop.

Strangely enough, if I run the same applet from firefox, on the same
machine (an Apple under MacOs), everything works perfectly.

Any ideas what might be missing to get this working?


Just today a colleague told me something similar. The solution was that
there needed to be done some additional settings to the sandboxing of
either Java or Safari to allow the JRE to break out of the sandbox.
Since I am not a Mac user I don't have more details but maybe that gets
you started looking in the right places.

Kind regards

    robert

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