jigsaw.resolver.error trying to compile hello world

[Jesse Glick]

jigsaw$ ./build/linux-amd64/jdk-module-image/bin/javac -d /tmp jdk/src/solaris/demo/jigsaw/basic/src/module-info.java
error: Cannot resolve module dependencies using Jigsaw module resolver
   org.hello@=1: Cannot resolve
1 error

I think you need:

jigsaw$ hg -R jdk di
diff --git a/src/solaris/demo/jigsaw/basic/src/module-info.java b/src/solaris/demo/jigsaw/basic/src/module-info.java
--- a/src/solaris/demo/jigsaw/basic/src/module-info.java
+++ b/src/solaris/demo/jigsaw/basic/src/module-info.java
@@ -24,7 +24,7 @@
   */

  module org.hello @ 1 {
-    requires jdk.base @ 7-ea;
+    requires jdk.base @ 8-ea;
      class org.hello.Main;               // Main class
  }

though this is pretty poor error reporting.