diff --git a/Cantera/src/oneD/Domain1D.cpp b/Cantera/src/oneD/Domain1D.cpp
index 1e628d6a8..085c14c3c 100644
--- a/Cantera/src/oneD/Domain1D.cpp
+++ b/Cantera/src/oneD/Domain1D.cpp
@@ -65,7 +65,7 @@ namespace Cantera {
             m_atol_ss[n] = atol;
         }
     }
-
+    
     void Domain1D::
     eval(int jg, doublereal* xg, doublereal* rg, 
         integer* mask, doublereal rdt) {
@@ -108,24 +108,27 @@ namespace Cantera {
             }
         }
     }
-
+    
 
     // called to set up initial grid, and after grid refinement
     void Domain1D::setupGrid(int n, const doublereal* z) {
-        resize(m_nv, n);
-        int j;
-        for (j = 0; j < m_points; j++) m_z[j] = z[j];
+        if (n > 1) {
+            resize(m_nv, n);
+            int j;
+            for (j = 0; j < m_points; j++) m_z[j] = z[j];
+        }
     }
-
+    
 
     void drawline() {
         writelog("\n-------------------------------------"
             "------------------------------------------");
     }
-
+    
+    
     /**
      * Print the solution.
-     */    
+     */
     void Domain1D::showSolution(const doublereal* x) {
         int nn = m_nv/5;
         int i, j, n;
@@ -173,6 +176,7 @@ namespace Cantera {
         writelog("\n");
     }
 
+    
     // initial solution
     void Domain1D::_getInitialSoln(doublereal* x) {
         for (int j = 0; j < m_points; j++) {
@@ -186,5 +190,6 @@ namespace Cantera {
         throw CanteraError("Domain1D::initialValue",
             "base class method called!");
     }
+    
 
 } // namespace
diff --git a/Cantera/src/oneD/MultiNewton.cpp b/Cantera/src/oneD/MultiNewton.cpp
index 2774640bb..9d1f02dcc 100644
--- a/Cantera/src/oneD/MultiNewton.cpp
+++ b/Cantera/src/oneD/MultiNewton.cpp
@@ -142,10 +142,10 @@ namespace Cantera {
 	    int pt = offset/dom.nComponents();
 	    int comp = offset - pt*dom.nComponents();
 	    throw CanteraError("MultiNewton::step",
-			       "Jacobian is singular for domain "+
-			       dom.id() + ", component "
-			       +dom.componentName(comp)+" at point "
-			       +int2str(pt)+"\nsee file bandmatrix.csv\n");
+                "Jacobian is singular for domain "+
+                dom.id() + ", component "
+                +dom.componentName(comp)+" at point "
+                +int2str(pt)+"\n(Matrix row "+int2str(iok)+") \nsee file bandmatrix.csv\n");
 	  }
 	  else if (iok < 0)   
 	    throw CanteraError("MultiNewton::step",
diff --git a/Cantera/src/oneD/StFlow.cpp b/Cantera/src/oneD/StFlow.cpp
index 8593a94cf..c2fc7088e 100644
--- a/Cantera/src/oneD/StFlow.cpp
+++ b/Cantera/src/oneD/StFlow.cpp
@@ -201,9 +201,8 @@ namespace Cantera {
     /**
      * Change the grid size. Called after grid refinement.
      */
-            void StFlow::resize(int points) {
-        Domain1D::resize(m_nv, points);
-
+    void StFlow::resize(int ncomponents, int points) {
+        Domain1D::resize(ncomponents, points);
         m_rho.resize(m_points, 0.0);
         m_wtm.resize(m_points, 0.0);
         m_cp.resize(m_points, 0.0);
@@ -230,8 +229,8 @@ namespace Cantera {
     }        
         
 
-    void StFlow::setupGrid(int n, const doublereal* z) {        
-        resize(n);
+    void StFlow::setupGrid(int n, const doublereal* z) {
+        resize(m_nv, n);
         int j;
 
         m_z[0] = z[0];
diff --git a/Cantera/src/oneD/StFlow.h b/Cantera/src/oneD/StFlow.h
index 7bd15ce62..679368d9d 100644
--- a/Cantera/src/oneD/StFlow.h
+++ b/Cantera/src/oneD/StFlow.h
@@ -233,7 +233,7 @@ namespace Cantera {
 
         void integrateChem(doublereal* x,doublereal dt);
 
-        void resize(int points);
+        void resize(int components, int points);
 
         virtual void setFixedPoint(int j0, doublereal t0){}
 
diff --git a/Cantera/src/oneD/boundaries1D.cpp b/Cantera/src/oneD/boundaries1D.cpp
index 9d059e62b..360c4a260 100644
--- a/Cantera/src/oneD/boundaries1D.cpp
+++ b/Cantera/src/oneD/boundaries1D.cpp
@@ -403,7 +403,7 @@ namespace Cantera {
 
     string Outlet1D::componentName(int n) const { 
         switch (n) {
-        case 0: return "dummy"; break;
+        case 0: return "outlet dummy"; break;
         default: return "<unknown>";
         }
     }
diff --git a/Cantera/src/oneD/oneD_files.cpp b/Cantera/src/oneD/oneD_files.cpp
index 6a4ce3623..d271f78c8 100644
--- a/Cantera/src/oneD/oneD_files.cpp
+++ b/Cantera/src/oneD/oneD_files.cpp
@@ -5,5 +5,5 @@
 #include "StFlow.cpp" 
 #include "boundaries1D.cpp"
 #include "refine.cpp" 
-#include "Sim1D.cpp" 
+#include "Sim1D.cpp"
 #include "Domain1D.cpp"