more informative error (see 6e9c22c494c5);
authorwenzelm
Wed, 26 Oct 2016 16:15:37 +0200
changeset 64410 89da169f66fa
parent 64409 70c87ca55f2c
child 64411 0af9926e1303
more informative error (see 6e9c22c494c5);
src/Pure/Admin/isabelle_cronjob.scala
--- a/src/Pure/Admin/isabelle_cronjob.scala	Wed Oct 26 16:05:41 2016 +0200
+++ b/src/Pure/Admin/isabelle_cronjob.scala	Wed Oct 26 16:15:37 2016 +0200
@@ -176,6 +176,7 @@
         res match {
           case Exn.Res(_) => None
           case Exn.Exn(exn) =>
+            System.err.println("Exception trace for " + quote(task.name) + ":")
             exn.printStackTrace()
             val first_line = Library.split_lines(Exn.message(exn)).headOption getOrElse "exception"
             Some(first_line)