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From Apache Wiki <>
Subject [Lucene-java Wiki] Update of "BackwardsCompatibility" by HossMan
Date Wed, 06 Feb 2008 22:17:53 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Lucene-java Wiki" for change notification.

The following page has been changed by HossMan:

The comment on the change is:, java-dev, 27 Jan 2008

+ [[TableOfContents]]
+ = Core Lucene Functionality =
  Backwards Compatibility in Lucene is all about version numbers.
  == APIs and Compilation ==
@@ -26, +30 @@

     1. A JVM system property will be available for clients to set. (this will allow clients
to force the old behavior without any code changes)
     1. A static method will be introduced which client code can call to set some internal
state prior to using any Lucene code.  (this will allow clients in environments that do not
permit system properties to be set to upgrade by only adding one line of code)
+ = Contrib Packages =
+ "All contribs are not created equal."
+ The compatibility commitments of a contrib package can vary based on it's maturity and intended
usage. The README.txt file for each contrib should identify it's approach to compatibility.
 If the README.txt file for a contrib package does not address it's backwards compatibility
commitments users should assume it does '''not''' make any compatibility commitments.

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