Re: Changing Java Security Policy

"Andrew Thompson" <>
23 Mar 2007 07:36:04 -0700
On Mar 24, 12:58 am, "Andrew Thompson" <> wrote:

On Mar 23, 11:24 pm, Tom Hawtin <> wrote:

Andrew Thompson wrote:

On Mar 23, 10:50 pm, "CalAmity!" <> wrote:

..Can I change the security policy from within a java
program ??

Here is an example of replacing the current
security manager with one that is more strict..


And here's an example of the opposite...

I only checked one of the URL's, ..

...and the rest of this post was actually about
the *other* one (D'Oh!). That URL was..
entry=system_setsecuritymanager_null> is the output..

...and some more, from the other two VM's
I have lying around, which can be called up
in a browser (or a close facsimile of a
browser, as the case may be).

MSVM (build 3810, AFAIU - 'Release')
java.version: 1.1.4
java.lang.SecurityException: SecurityManager already set
   at java/lang/System.setSecurityManager
   at NoSecurityApplet.init

Symantec VM
Netscape Communications Corporation -- Java 1.1.5

Type '?' for options.

Symantec Java! ByteCode Compiler Version 210.065
Copyright (C) 1996-97 Symantec Corporation
java.version: 1.1.5

java.lang.SecurityException: SecurityManager already set
  at java.lang.Throwable.<init>(Compiled Code)

Andrew T.

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