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hi accesing database tthrough applet

2 replies on 1 page. Most recent reply: Aug 26, 2003 3:03 AM by swan

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angeli

Posts: 1
Nickname: anjupeter
Registered: Aug, 2003

hi accesing database tthrough applet Posted: Aug 17, 2003 3:36 AM
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i am accessing database through applet no its not servlet its applet and i am gettign security errors, i chaged the policy file but nohting seems to work please help me out. This are the error when i run the html which has the applet.

java.security.AccessControlException: access denied
accessClassInPackage.sun.jdbc.odbc )
at java.security.AccessControlContext.checkP
at java.security.AccessController.checkPermi
at java.lang.SecurityManager.checkPermission
at java.lang.SecurityManager.checkPackageAcc
at sun.applet.AppletSecurity.checkPackageAcc

at sun.applet.AppletClassLoader.loadClass(Ap
at java.lang.ClassLoader.loadClass(ClassLoad
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Compiled Code)
at app.init(app.java:23)
at sun.applet.AppletPanel.run(Compiled Code)
at java.lang.Thread.run(Thread.java:479)


Greg Lehane

Posts: 33
Nickname: glehane
Registered: Jun, 2003

Re: hi accesing database tthrough applet Posted: Aug 17, 2003 11:24 AM
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One way to get around the sandbox restrictions of your applet is to sign your jar files. The process is described here:

http://java.sun.com/docs/books/tutorial/jar/sign/signing.html

=- Greg

swan

Posts: 7
Nickname: swan
Registered: Aug, 2003

Re: hi accesing database tthrough applet Posted: Aug 26, 2003 3:03 AM
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For security reasons, don't access the database using applets. Call a servlet instead, from the applet. The servlet shall make a call to the database.

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