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• Eclipse-Scala-Gradle-Git Developement Environment Setup - 01/17/2015 

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• Download and install Eclipse (Indigo or Juno is recommended);
• Install Scala 2.910.x IDE plugin as described here. Make sure to get the right bundle / update site according with your Eclipse version;
• Install IvyIDE plugin as described here. This will allow to automatically create classpath containers starting from ivy files;

Checkout Kafka source

• git clone http://git-wip-us.apache.org/repos/asfgit@github.com:apache/kafka.git <kafka.project.dir>

Generate Eclipse project files

• cd <kafka.project.dir>

• Bootstrap gradle wrapper with: gradle

• Generate the eclipse projects with: ./gradlew eclipse. This command will create eclipse projects for every project defined in Kafka. 

• Note that the source folder structure may need to be fixed manually : see 

  Jira
  server ASF JIRA serverId 5aa69414-a9e9-3523-82ec-879b028fb15b key KAFKA-4617

Create the Eclipse workspace

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You should see the projects you have imported. For running unit tests and Kafka broker refer to the previous section.

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NOTE - update for Eclipse 3.7.x Oxygen, scala-ide 4.7.1RC3 and Scala 2.12

After generating the projects with

gradle -PscalaVersion=2.12
./gradlew -PscalaVersion=2.12 eclipse --refresh-dependencies

In Eclipse you need some manual tweaking to get rid of the build errors :

• remove the duplicate java src path entry from  core 
• remove all 'test' library entries in the projects : core/streams/streams-scala

then, break the build cycle

• remove the `test-utils` project dependency from streams
• add the test-utils source folders `test-utils/src/main/java` and `test-utils/src/test/java` to the streams project 

Intellij Setup

Install and prepare IntelliJ

• Download and install IntelliJ;
• Install the IntelliJ IDEA Scala Plugin (Preferences Menu Item File | Settings -> Plugins -> Browse Repositories -> Search for Scala);

Checkout Kafka source

• git clone http://git-wip-us.apache.org/repos/asfgit clone git@github.com:apache/kafka.git <kafka.project.dir>

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Currently IntelliJ Scala Plugin doesn't support 2.8.0 Scala, so to use IntelliJ you need to temporary upgrade Kafka's Scala version by editing gradle.properties scalaVersion to 2.9.2.

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Update libraries and generate IntelliJ project files

• cd <kafka.project.dir>
• gradle
• ./gradlew idea

Create IntelliJ workspace

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