Build: Add nicer error message for pre java 8
This commit adds clearer error message when trying to find the version of java, but
the jjs binary is not found.
closes
@@ -202,11 +202,15 @@ class BuildPlugin implements Plugin<Project> {
/** Runs the given javascript using jjs from the jdk, and returns the output */
private static String runJavascript(Project project, String javaHome, String script) {
+ File jjs = new File(javaHome, 'bin/jjs')
+ if (jjs.exists() == false) {
+ throw new GradleException("Cannot find jjs binary in java installation at ${javaHome}. At least java 1.8 is required.")
+ }
File tmpScript = File.createTempFile('es-gradle-tmp', '.js')
tmpScript.setText(script, 'UTF-8')
ByteArrayOutputStream output = new ByteArrayOutputStream()
ExecResult result = project.exec {
- executable = new File(javaHome, 'bin/jjs')
+ executable = jjs
args tmpScript.toString()
standardOutput = output
errorOutput = new ByteArrayOutputStream()
