JavaCompiler: add output if no ToolsProvider

scijava · Dec 2, 2015 · 2363a6d · ctrueden · Dec 16, 2015 · hinerm
1 parent f6f4e88
commit 2363a6d
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/main/java/org/scijava/minimaven/JavaCompiler.java b/src/main/java/org/scijava/minimaven/JavaCompiler.java
@@ -39,13 +39,15 @@
 
 import javax.tools.ToolProvider;
 
+import org.scijava.util.ClassUtils;
 import org.scijava.util.FileUtils;
 import org.scijava.util.ProcessUtils;
 
 /**
  * Encapsulates the Java compiler, falling back to command-line {@code javac}.
  * 
  * @author Johannes Schindelin
+ * @author Mark Hiner
  */
 public class JavaCompiler {
 	protected PrintStream err, out;
@@ -64,9 +66,15 @@ public void call(String[] arguments,
 			try {
 				javax.tools.JavaCompiler sysc = ToolProvider.getSystemJavaCompiler();
 				if (sysc != null) {
+					err.print("Found tools compiler: " + sysc.getClass());
+					err.print(ClassUtils.getLocation(sysc.getClass()));
 					sysc.run(null,  out, err, arguments);
 					return;
 				}
+				else {
+					err.println("No java.tools.JavaCompiler available. Checking for explicit javac.");
+				}
+
 				if (javac == null) {
 					JarClassLoader loader = discoverJavac();
 					Class<?> main = loader == null ?