src/Pure/Admin/isabelle_cronjob.scala
changeset 67178 70576478bda9
parent 67103 39cc38a06610
child 67568 fc2b303070da
--- a/src/Pure/Admin/isabelle_cronjob.scala	Sun Dec 10 18:43:08 2017 +0100
+++ b/src/Pure/Admin/isabelle_cronjob.scala	Sun Dec 10 20:29:00 2017 +0100
@@ -346,7 +346,7 @@
         res match {
           case Exn.Res(_) => None
           case Exn.Exn(exn) =>
-            System.err.println("Exception trace for " + quote(task.name) + ":")
+            Output.writeln("Exception trace for " + quote(task.name) + ":")
             exn.printStackTrace()
             val first_line = split_lines(Exn.message(exn)).headOption getOrElse "exception"
             Some(first_line)