Error while installing check style plugin for eclipse

Question

I am getting the following error while installing the checkstyle plugin for my eclipuse via the update manager

Cannot complete the install because one or

Answer 1

Eclipse Mars (4.5.1)

Installation

You can install Checkstyle plugin from the Marketplace.

1. Help > Eclipse Martketplace...

2. Type "checkstyle plug-in" and hit Enter.

   You can also type only checkstyle and then select the plugin from the list.

   Click on Install.

Usage

1. Window > Show View > Other...

2. Type checkstyle > select the views (Ctrl + click) > OK

3. Right click on your project > Checkstyle > Check Code with Checkstyle

   The output will be shown in the checkstyle views (2 tabs).

   If you listed all the violations for a type (using the arrow / right click / double click), you can go back using the "Go back to the master view" arrow: