1diff --git a/appl_grid/appl_grid.h b/appl_grid/appl_grid.h
2index 5059622..a0651c9 100644
3--- a/appl_grid/appl_grid.h
4+++ b/appl_grid/appl_grid.h
5@@ -56,7 +56,7 @@ public:
6 class exception : public std::exception {
7 public:
8 exception(const std::string& s) { std::cerr << what() << " " << s << std::endl; };
9- exception(std::ostream& s) { std::cerr << what() << " " << s << std::endl; };
10+ exception(std::ostream& s) { s << what() << " " << std::endl; };
11 virtual const char* what() const throw() { return "appl::grid::exception"; }
12 };
13
14diff --git a/appl_grid/appl_pdf.h b/appl_grid/appl_pdf.h
15index c71fd84..2525527 100644
16--- a/appl_grid/appl_pdf.h
17+++ b/appl_grid/appl_pdf.h
18@@ -51,7 +51,7 @@ public:
19 class exception : public std::exception {
20 public:
21 exception(const std::string& s="") { std::cerr << what() << " " << s << std::endl; };
22- exception(std::ostream& s) { std::cerr << what() << " " << s << std::endl; };
23+ exception(std::ostream& s) { s << " " << std::endl; };
24 const char* what() const throw() { return "appl::appl_pdf::exception "; }
25 };
26
27diff --git a/src/appl_igrid.h b/src/appl_igrid.h
28index d25288e..be354df 100644
29--- a/src/appl_igrid.h
30+++ b/src/appl_igrid.h
31@@ -52,7 +52,7 @@ private:
32 class exception {
33 public:
34 exception(const std::string& s) { std::cerr << s << std::endl; };
35- exception(std::ostream& s) { std::cerr << s << std::endl; };
36+ exception(std::ostream& s) { s << std::endl; };
37 };
38
39 typedef double (igrid::*transform_t)(double) const;
40diff --git a/src/lumi_pdf.cxx b/src/lumi_pdf.cxx
41--- a/src/lumi_pdf.cxx
42+++ b/src/lumi_pdf.cxx
43@@ -235,6 +235,6 @@ void lumi_pdf::write(const std::string& filename) const {
44 // std::string lumi_pdf::summary(std::ostream& s=std::cout) const {
45 std::string lumi_pdf::summary() const {
46 std::stringstream s;
47- s << "lumi_pdf::lumi_pdf() " << s << "\tsize " << m_combinations.size() << " lookup size " << m_lookup.size() << " " << this;
48+ s << "lumi_pdf::lumi_pdf() " << "\tsize " << m_combinations.size() << " lookup size " << m_lookup.size() << " " << this;
49 return s.str();
50 }