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Maven - Interview Questions and Answers for 'Ban duplicate classes enforcer plugin' - 2 question(s) found - Order By Newest

 Q1. Have you heard of Ban Duplicate Classes Maven enforcer plugin ? What is its use ?Maven2016-09-12 10:23:45

Ans. Yes , we have been using this plugin with our projects and its purpose is to warn and stop the Build if there are duplicates of the same package and class are being carried either directly or through transitive dependencies. the duplicate could be coming through different types of dependencies or through different versions of the same dependency. Its purpose is to make sure that there is only one copy thats being used at compile time and runtime and hence shouldnt later result in runtime problems.

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 Q2. How to tackle duplicate classes in maven build ?Maven2016-09-12 10:26:42

Ans. The simplest way is to ignore them if Maven enforcer plugin is complaining about it but it may lead to runtime problems later.

We can do the dependency:tree to see from where these duplicate ones are coming and hence can exclude the duplicate one.

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   Like         Discuss         Correct / Improve     maven   ban duplicate classes enforcer plugin


Related Questions

  What is a transitive dependency ? Can we override Transitive Dependency version and If Yes, how ?
  What is a cyclic dependency ?
  Which of the following is dependency exclusion ?
  Which of the following is not a build tool ?
 How do you resolve Maven Dependencies issue while upgrading dependencies versions ?
  What is Maven's order of inheritance?
  What is a Mojo?
  Where do we configure repositories in Maven ?
  What are different type of repositories in Maven ?
  How does Maven looks for a resource ?



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