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Old Version 55

changes.mady.by.user Hardy Pottinger

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New Version 56

changes.mady.by.user Tim Donohue

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  1. detect the index version using getCurrentVersion(index_dir)
    1. NOTE: Looks like the 4.4.0 version of IndexReader no longer contains this getCurrentVersion() function. It was deprecated in 3.6.0 and removed thereafter
  2. for any version older than LUCENE_35 go to 3, otherwise go to 6
  3. get lucene-core-3.5.0.jar from Maven Central
  4. run the IndexUpgrader class of Lucene 3.5 (or optimize())
  5. start up DSpace in order to start up Solr 4
  6. run the IndexUpgrader class of Lucene 4.4

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