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From Ranjan Kumar Baisak <rbai...@nyc.yamaha.com>
Subject Re: commons-logging 1.1 in an applet
Date Thu, 07 Dec 2006 16:42:22 GMT
Lance Semmens wrote:
> I don't have a solution but I can shed some light on the subject. Applets can not access
the following System Properties:
>
> java.home		Java installation directory
> java.class.path	Java classpath
> user.name		User account name
> user.home		User home directory
> user.dir		User's current working directory
>
> LogFactory.createFactoryStore() must be trying to access one of these.
>
> -----Original Message-----
> From: Mark Webb [mailto:elihusmails@gmail.com] 
> Sent: 07 December 2006 14:58
> To: Jakarta Commons Users List
> Subject: commons-logging 1.1 in an applet
>
> I have a program that can run as an applet or application.  When run
> as an application, all logging works fine.  When I run the program as
> an applet, I get an error.  Is there a way to fix this problem?
>
> TIA.
> Mark
>
> Here is the stack trace:
>
> java.lang.ExceptionInInitializerError
> 	at org.hibernate.cfg.Configuration.<clinit>(Configuration.java:120)
> 	-- my code --
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
> 	at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
> 	at java.lang.Class.newInstance0(Class.java:350)
> 	at java.lang.Class.newInstance(Class.java:303)
> 	at sun.applet.AppletPanel.createApplet(AppletPanel.java:721)
> 	at sun.plugin.AppletViewer.createApplet(AppletViewer.java:1760)
> 	at sun.applet.AppletPanel.runLoader(AppletPanel.java:650)
> 	at sun.applet.AppletPanel.run(AppletPanel.java:324)
> 	at java.lang.Thread.run(Thread.java:595)
> Caused by: java.security.AccessControlException: access denied
> (java.util.PropertyPermission
> org.apache.commons.logging.LogFactory.HashtableImpl read)
> 	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.checkPropertyAccess(SecurityManager.java:1285)
> 	at java.lang.System.getProperty(System.java:627)
> 	at org.apache.commons.logging.LogFactory.createFactoryStore(LogFactory.java:320)
> 	at org.apache.commons.logging.LogFactory.<clinit>(LogFactory.java:1725)
> 	... 14 more
>
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>
>
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>
>   
Applets cannot access local file system. I faced the same problem and I 
used applet-servlet model to generate log files in server.

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