From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Wed, 27 Mar 2013 14:02:32 +0000 (+0000)
Subject: Improve error message.
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e6fc3a808a887268b39a22caefb4a3340dfa1ab7;p=dealii-svn.git

Improve error message.

git-svn-id: https://svn.dealii.org/trunk@29070 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/include/deal.II/lac/trilinos_vector_base.h b/deal.II/include/deal.II/lac/trilinos_vector_base.h
index 172bc10777..fa32d9de6c 100644
--- a/deal.II/include/deal.II/lac/trilinos_vector_base.h
+++ b/deal.II/include/deal.II/lac/trilinos_vector_base.h
@@ -189,9 +189,13 @@ namespace TrilinosWrappers
       DeclException3 (ExcAccessToNonLocalElement,
                       int, int, int,
                       << "You tried to access element " << arg1
-                      << " of a distributed vector, but only elements "
+                      << " of a distributed vector, but it is not stored on "
+                      << "the current processor. Note: the elements stored "
+                      << "on the current processor are within the range "
                       << arg2 << " through " << arg3
-                      << " are stored locally and can be accessed.");
+                      << " but Trilinos vectors need not store contiguous "
+                      << "ranges on each processor, and not every element in "
+                      << "this range may in fact be stored locally.");
 
     private:
       /**