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From "Stuart Rose (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LUCENE-4205) Constants.java generates AccessControl Exception in unsigned applet
Date Mon, 09 Jul 2012 20:56:33 GMT
Stuart Rose created LUCENE-4205:
-----------------------------------

             Summary: Constants.java generates AccessControl Exception in unsigned applet

                 Key: LUCENE-4205
                 URL: https://issues.apache.org/jira/browse/LUCENE-4205
             Project: Lucene - Java
          Issue Type: Bug
          Components: core/index
    Affects Versions: 3.5
         Environment: unsigned applet
            Reporter: Stuart Rose
            Priority: Minor


Using Lucene (i.e. writing a Document to a RAMDirectory) in an unsigned applet causes an AccessControlException
because Constants.java is attempting to read a System property that is not allowed. 

Caused by: java.security.AccessControlException: access denied ("java.util.PropertyPermission"
"sun.arch.data.model" "read")
	at java.security.AccessControlContext.checkPermission(Unknown Source)
	at java.security.AccessController.checkPermission(Unknown Source)
	at java.lang.SecurityManager.checkPermission(Unknown Source)
	at java.lang.SecurityManager.checkPropertyAccess(Unknown Source)
	at java.lang.System.getProperty(Unknown Source)
	at org.apache.lucene.util.Constants.<clinit>(Constants.java:84)


on line 84:   final String x = System.getProperty("sun.arch.data.model");

We have tested setting the String x to the property value for "java.vm.name" and find that
works for us...





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