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Building from source is optional. Users who do not want to make changes to the source code can simply download the binary distribution of the product and install it.


Before you edit the source code in your IDE, set up your development environment by running one of the following commands:

If you are using this IDE...Run this command...Additional information
Eclipsemvn eclipse:eclipse
IntelliJ IDEAmvn idea:idea

If you are using a later Eclipse version and if you get errors (library path etc.) when trying to import the source code using the Existing Projects into Workspace, follow the steps below to solve them by importing the source code as a Maven project.


  1. Install Maven and JDK. See Installation Prerequisites for compatible versions.
  2. Set the environment variable  MAVEN_OPTS="-Xms1024m -Xmx4096m -XX:MaxPermSize=1024m" to avoid the Maven OutOfMemoryError.
  3. Navigate to each folder representing the patches within the  <local-platform-directory-1> and run the following Apache Maven commands to build the patches. For information on the patches, which are applicable for the respective Carbon chunk release, go to Release Matrix

    This command...Creates...
    mvn clean install

    The binary and source distributions of the chunk release.

    mvn clean install -Dmaven.test.skip=trueThe binary and source distributions, without running any of the unit tests.
    mvn clean install -Dmaven.test.skip=true -o The binary and source distributions, without running any of the unit tests, in offline mode. This can be done only if you've already built the source at least once.
  4. For products based on Carbon 4.2.0, to create complete release artifacts of the products released with this chunk version, including the binary and source distributions, go to    <local-platform-directory-2>/ product-releases/ <release-chunk>/  directory and run the Apache Maven commands stated in the above step.  To build only a selected product/s , open   <local-platform-directory-2>/product-releases/ <release-chunk>/products/pom.xml  file, and comment out the products you do not want to build and run the relevant Maven command.