From 75ad56d2bf19aad4fa43a05039410d325faf8c34 Mon Sep 17 00:00:00 2001
From: Mark Harrah <dmharrah@gmail.com>
Date: Fri, 10 Jun 2011 07:48:54 -0400
Subject: [PATCH] better error message when nothing running in task engine

---
 tasks/Execute.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tasks/Execute.scala b/tasks/Execute.scala
index 8d36df404..3423110b3 100644
--- a/tasks/Execute.scala
+++ b/tasks/Execute.scala
@@ -67,7 +67,7 @@ final class Execute[A[_] <: AnyRef](checkCycles: Boolean, triggers: Triggers[A])
 				assert( !reverse.isEmpty, "Nothing to process." )
 				if( !state.values.exists( _ == Running ) ) {
 					snapshotCycleCheck()
-					assert(false, "Nothing running.")
+					assert(false, "Internal task engine error: nothing running.  This usually indicates a cycle in tasks.\n  Dumping state:\n" + state.mkString("\n\t"))
 				}
 			}