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Java Forum / Databases / September 2004Java security
I havean applet that connects to Oracle osing the thin client. It works when run from IDE. When I try to load it into a web browser I get java.security.AccessControlException: access denied (java.util.PropertyPermission oracle.jserver.version read) What's up? > I havean applet that connects to Oracle osing the thin client. It > works when run from IDE. When I try to load it into a web browser I > get > > java.security.AccessControlException: access denied > (java.util.PropertyPermission oracle.jserver.version read) Applets are only allowed to contact the server they originated from unless they are signed. It's generally not a good idea to write an applet that uses JDBC directly. Rather communicate with the server and have him do the DB work. You can make your life easier by using serialized data for the communication. That way the parsing is done for you. robert Robert Danke shoen, But could you explain the fact that I can run the very same applet from IDE (IntelligIdea)? Apparently it means that this is possible somehow. The problem is that I do not have access to the server and I need this application to be a part of a webpage. Yuri > > I havean applet that connects to Oracle osing the thin client. It > > works when run from IDE. When I try to load it into a web browser I [quoted text clipped - 10 lines] > > robert > Robert > Danke shoen, > > But could you explain the fact that I can run the very same applet > from IDE (IntelligIdea)? Apparently it means that this is possible > somehow. Apparently the IDE does not employ a SecurityManager. There is no server that the applet was loaded from so it can't possibly check the connection. Well it could use localhost, but apparently there are no checks. > The problem is that I do not have access to the server and I need this > application to be a part of a webpage. As I said: don't use JDBC in applets. In your case either implement your own protocol over HTTP or use Java WebStart. robert > Yuri > [quoted text clipped - 12 lines] > > > > robert Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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