Compile SkyWalking Java Agent

Build the project based on user request. Detect what they want to build and run the appropriate command.

Prerequisites

• JDK 17, 21, or 25 (JDK 8 is supported at runtime but JDK 17+ is needed to compile)
• Maven is bundled as ./mvnw (Maven wrapper)
• Git submodules must be initialized for protocol definitions

Check JDK version first:

java -version

If submodules are not initialized:

git submodule init && git submodule update