How to fix Eclipse's problem when importing Kafka project

I saw this:

Description Resource Path Location Type

scalatest_2.10-1.9.1.jar of core build path is cross-compiled with an incompatible version of Scala (2.10.0). In case this report is mistaken, this check can be disabled in the compiler preference page. core Unknown Scala Version Problem

Fixing:

1. Right click on project core.

2. Properties

3. Scala compiler

4. Click on "Use project settings"

5. Select Use Latest 2.10 bundle(dynamic)