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From "Paritosh Ranjan (Created) (JIRA)" <>
Subject [jira] [Created] (MAHOUT-893) Dependency Clash : Google Collections and Guava
Date Wed, 23 Nov 2011 16:05:40 GMT
Dependency Clash : Google Collections and Guava

                 Key: MAHOUT-893
             Project: Mahout
          Issue Type: Bug
          Components: collections
    Affects Versions: 0.6
         Environment: windows
            Reporter: Paritosh Ranjan
            Assignee: Benson Margulies
             Fix For: 0.6
         Attachments: MAHOUT-893

I tried to run the Recommender example in Mahout in Action Book.

        DataModel model = new FileDataModel(new File("intro.csv"));
        UserSimilarity similarity = new PearsonCorrelationSimilarity(model);

The dependencies from google collections and guava are clashing while execution. Its picking
some wrong class like Preconditions and few others which is giving error on runtime. I fixed
that by excluding google-collections. The patch is attached which helped me fix this problem.

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