Method Supply

src/java/jres/zing.go:44–78

Supply installs the Zing JRE Note: Zing JRE does NOT install jvmkill or memory calculator components

()

// Supply installs the Zing JRE
// Note: Zing JRE does NOT install jvmkill or memory calculator components
func (z *ZingJRE) Supply() error {
	z.ctx.Log.BeginStep("Installing Zing JRE")

	// Determine version
	dep, err := GetJREVersion(z.ctx, "zing")
	if err != nil {
		return fmt.Errorf("failed to determine Zing JRE version from manifest: %w", err)
	}

	z.version = dep.Version
	z.ctx.Log.Info("Installing Zing JRE (%s)", z.version)

	// Install JRE
	if err := z.ctx.Installer.InstallDependency(dep, z.jreDir); err != nil {
		return fmt.Errorf("failed to install Zing JRE: %w", err)
	}

	// Find the actual JAVA_HOME (handle nested directories from tar extraction)
	javaHome, err := z.findJavaHome()
	if err != nil {
		return fmt.Errorf("failed to find JAVA_HOME: %w", err)
	}
	z.javaHome = javaHome
	z.installedVersion = z.version

	// Write profile.d script for runtime JAVA_HOME setup
	if err := z.writeProfileDScript(); err != nil {
		z.ctx.Log.Warning("Could not write java.sh profile.d script: %s", err.Error())
	} else {
		z.ctx.Log.Debug("Created profile.d script: java.sh")
	}

	z.ctx.Log.Info("Zing JRE installation complete")
	return nil
}

// Finalize performs final JRE configuration
// Adds -XX:+ExitOnOutOfMemoryError to JAVA_OPTS