diff --git a/java/src/org/broadinstitute/sting/gatk/datasources/simpleDataSources/ReferenceOrderedDataSource.java b/java/src/org/broadinstitute/sting/gatk/datasources/simpleDataSources/ReferenceOrderedDataSource.java
index fe56bca0b..1b4a3068d 100755
--- a/java/src/org/broadinstitute/sting/gatk/datasources/simpleDataSources/ReferenceOrderedDataSource.java
+++ b/java/src/org/broadinstitute/sting/gatk/datasources/simpleDataSources/ReferenceOrderedDataSource.java
@@ -214,7 +214,7 @@ class ReferenceOrderedQueryDataPool extends ResourcePool<FeatureReader, Location
                 return new SeekableRODIterator(new FeatureToGATKFeatureIterator(resource.iterator(),rod.getName()));
             }
         } catch (IOException e) {
-            throw new StingException("Unable to create iterator for rod named " + rod.getName());
+            throw new StingException("Unable to create iterator for rod named " + rod.getName(),e);
         }
     }
 
@@ -223,7 +223,7 @@ class ReferenceOrderedQueryDataPool extends ResourcePool<FeatureReader, Location
         try {
             resource.close();
         } catch (IOException e) {
-            throw new StingException("Unable to close reader for rod named " + rod.getName());
+            throw new StingException("Unable to close reader for rod named " + rod.getName(),e);
         }
     }
 }