How To Apache Sling IDE Tooling

This module is part of the Apache Sling project.

For using the IDE tooling, please see the Sling IDE Tooling documentation page.

Repository structure

The modules are split into distinct sub-trees

  • shared
  • cli
  • eclipse

to ensure that the reusable code is available for usage in other IDEs or environments.

The modules placed under shared/modules should bring as few external dependencies as possible, and must not depend on IDE-specific APIs, such as Eclipse or OSGi. However, all modules come with OSGi bundle headers and provide even some OSGi DS components.

The modules placed under eclipse may depend on any Eclipse-specific APIs.

To make the shared modules consumable by the Maven + Tycho toolchain, a separate shared/p2 sub-tree contains a Maven + Tycho build which creates a p2 update site. That update site in turn is consumed by the eclipse build.

Building the Sling IDE Tooling for Eclipse

This howto assumes that you are running Eclipse Oxygen or later with the Plug-In Development Environment and Maven features installed. You should have previously built the projects using


to ensure that Maven artifacts which are not available on p2 update sites are included in the workspace.

To start with, import all the projects in Eclipse as Maven projects. Eclipse might prompt you to install an additional m2eclipse configurator for PDE projects, as it's needed for bridging between Maven and PDE projects.

After the projects are imported, you need to set your target environment to ensure that all dependencies are met and that you are working against the project's declared baseline. To do that, open the following file in Eclipse


In the target editor which appears, click 'Set as Target Platform'. Once the target platform is set up, you can create a new launch configuration.

NOTE: if you don't see a target editor, but an XML editor, try right-clicking on the file and choosing File -> Open With -> Target Editor. If you don't see that option, you don't have PDE installed.

Now you can use the 'Sling IDE Tooling' launch configuration which is present in the project to launch a local instance of Eclipse with Sling IDE Tooling plug-ins picked up from the local workspace.

Due to the unclear future of (compare with for the time being the pom.xml configuration is duplicated in the project settings (which is checked in)

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Author: apache

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License: Apache-2.0 license

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How To Apache Sling IDE Tooling
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