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POHow can I write System preferences with Java? Can I invoke UAC?
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2010-05-29T17:16:16.500
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How can I write system preferences with Java, using <a href="http://java.sun.com/javase/6/docs/api/java/util/prefs/Preferences.html#systemRoot()" rel="nofollow noreferrer"><code>Preferences.systemRoot()</code></a>? I tried with: <pre><code>Preferences preferences = Preferences.systemRoot(); preferences.put("/myapplication/databasepath", pathToDatabase); </code></pre> But I got this error message: <pre><code>2010-maj-29 19:02:50 java.util.prefs.WindowsPreferences openKey VARNING: Could not open windows registry node Software\JavaSoft\Prefs at root 0x80000002. Windows RegOpenKey(...) returned error code 5. Exception in thread "AWT-EventQueue-0" java.lang.SecurityException: Could not open windows registry node Software\JavaSoft\Prefs at root 0x80000002: Access denied at java.util.prefs.WindowsPreferences.openKey(Unknown Source) at java.util.prefs.WindowsPreferences.openKey(Unknown Source) at java.util.prefs.WindowsPreferences.openKey(Unknown Source) at java.util.prefs.WindowsPreferences.putSpi(Unknown Source) at java.util.prefs.AbstractPreferences.put(Unknown Source) at org.example.install.Setup$2.actionPerformed(Setup.java:43) </code></pre> I would like to do this, because I want to install an embedded JavaDB database, and let multiple users on the computer to use the same database with the application. How to solve this? Can I invoke UAC and do this as Administrator from Java? And if I log in as Administrator when writing, can I read the values with my Java application if I'm logged in as a User?
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<java><windows><uac><preferences><securityexception>
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How can I write System preferences with Java? Can I invoke UAC?
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