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Re: [gl4java-usergroup] Security...
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From: Sven G. <sgo...@ja...> - 2001-03-11 01:39:02
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Saturday 10 March 2001 11:11, Su...@ao... wrote: > I'm having trouble with security and I have no idea why... > > I installed Java 2 SDK Standard Edition v1.3, and it created 2 seperate > directories for the java run time environment, one of them is for the SDK > and the other is for the Java 1.3 plugin. I changed the java.policy file. I > installed GL4Java for IE/MS-JVM (no problems there), and installed it for > the Java 1.3 plugin and for the SDK. Everything seemed ok to me at that > point. > > I can compile GL4Java demo/example programs with javac with no errors, as > well as my own tests. > > I can run in MS-JVM on your website and locally, no problem. > > I can run using the Java 1.3 plugin, and it works on your website... > > **here is the actual problem** > But, the problem is, I can not run any applets locally (the demos or my own > stuff), only the ones on your website!!! It comes back with an security > error. Here is the console output (with a number of unnecesary things > deleted)... > > Java(TM) Plug-in: Version 1.3.0_02 > Using JRE version 1.3.0_02 Java HotSpot(TM) Client VM > > Proxy Configuration: no proxy > > java.lang.ExceptionInInitializerError: > java.security.AccessControlException: access denied > (java.lang.RuntimePermission loadLibrary.GL4JavaJauGljJNI13) at the solution is very simple you may remember that you added some lines to your java.policy file of your JDK/JRE-Plugin 1.3 installations ! well, you must add some lines to the java.policy for your local webserver or any other URL either ! e.g. for the URL's: file://C/temp/ http://localhost:8080/test/ that's it ! just have a lock at the current gl4java hompage's extra lines within java.policy, so you see it is easy to add some lines for your server and/or file system. sven > java.security.AccessControlContext.checkPermission(Unknown Source) at > java.security.AccessController.checkPermission(Unknown Source) at > java.lang.SecurityManager.checkPermission(Unknown Source) > at java.lang.SecurityManager.checkLink(Unknown Source) > at java.lang.Runtime.loadLibrary0(Unknown Source) > at java.lang.System.loadLibrary(Unknown Source) > at gl4java.GLContext.loadNativeLibraries(GLContext.java:711) > at gl4java.awt.GLCanvas.<clinit>(GLCanvas.java:177) > at MainApp.init(MainApp.java:139) > at sun.applet.AppletPanel.run(Unknown Source) > at java.lang.Thread.run(Unknown Source) > > So I have no idea what is going wrong. If you can let me know what it might > be. > > The reason I am trying to get the plugin to work, is because I want to test > out JAXP 1.1 (Java XML). I am want to port a 3d engine I developed in C++, > the engine uses a file format similar to XML, and I am not sure how to > install JAXP into MS-JVM (there is no instructions, I'm not sure if its > even installable on it), or get GL4Java working with the Java 1.3 plugin, > but looking at the amount of work that is required to install GL4Java on > the Java 1.3 plugin I dont think I would like to put that on the browser > clients. The only other route I have which is probably a little more > rigorous is to port my parsing code over the Java, but that seems a bit > hard to me considering I am just getting back into java after a couple of > years of not using it. (Your project has sparked my interest back into it > :)) > > _______________________________________________ > gl4java-usergroup mailing list > gl4...@li... > http://lists.sourceforge.net/lists/listinfo/gl4java-usergroup - -- mailto:sgo...@ja... www : http://www.jausoft.com ; pgp: http://www.jausoft.com/gpg/ voice : +49-521-2399440; fax: +49-521-2399442; icq-uin: 108264795 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.4 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE6qtdmHdOA30NoFAARAolmAKCHmFtahYefSPwxV0RQAhnmbn4RhgCguahA tRDv6vC4htUMmrgMphyP6HE= =Wn/R -----END PGP SIGNATURE----- |
