diff --git a/Modules/DiffusionImaging/DiffusionCore/autoload/IO/mitkNrrdTensorImageWriter.cpp b/Modules/DiffusionImaging/DiffusionCore/autoload/IO/mitkNrrdTensorImageWriter.cpp
index 44dfa8e9d1..e7ca02f4e4 100644
--- a/Modules/DiffusionImaging/DiffusionCore/autoload/IO/mitkNrrdTensorImageWriter.cpp
+++ b/Modules/DiffusionImaging/DiffusionCore/autoload/IO/mitkNrrdTensorImageWriter.cpp
@@ -1,99 +1,99 @@
 /*===================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
 #include "mitkNrrdTensorImageWriter.h"
 #include "itkMetaDataDictionary.h"
 #include "itkMetaDataObject.h"
 #include "itkNrrdImageIO.h"
 #include "itkImageFileWriter.h"
 #include "itkDiffusionTensor3D.h"
 #include "mitkImageCast.h"
 #include "mitkDiffusionCoreIOMimeTypes.h"
 #include <mitkLocaleSwitch.h>
 
 
 mitk::NrrdTensorImageWriter::NrrdTensorImageWriter()
   : AbstractFileWriter(mitk::TensorImage::GetStaticNameOfClass(), CustomMimeType( mitk::DiffusionCoreIOMimeTypes::DTI_MIMETYPE() ), mitk::DiffusionCoreIOMimeTypes::DTI_MIMETYPE_DESCRIPTION() )
 {
   RegisterService();
 }
 
 mitk::NrrdTensorImageWriter::NrrdTensorImageWriter(const mitk::NrrdTensorImageWriter& other)
   : AbstractFileWriter(other)
 {
 }
 
 
 mitk::NrrdTensorImageWriter::~NrrdTensorImageWriter()
 {}
 
 
 void mitk::NrrdTensorImageWriter::Write()
 {
   InputType::ConstPointer input = dynamic_cast<const InputType*>(this->GetInput());
   if (input.IsNull() )
   {
     MITK_ERROR <<"Sorry, input to NrrdTensorImageWriter is nullptr!";
     return;
   }
   if ( this->GetOutputLocation().empty() )
   {
     MITK_ERROR << "Sorry, filename has not been set!" ;
     return ;
   }
 
   itk::NrrdImageIO::Pointer io = itk::NrrdImageIO::New();
   io->SetFileType( itk::ImageIOBase::Binary );
   io->UseCompressionOn();
 
   typedef itk::ImageFileWriter<TensorImage::ItkTensorImageType> WriterType;
   WriterType::Pointer nrrdWriter = WriterType::New();
 
   TensorImage::ItkTensorImageType::Pointer outimage = TensorImage::ItkTensorImageType::New();
   CastToItkImage(input, outimage);
 
   nrrdWriter->SetInput( outimage );
   nrrdWriter->SetImageIO(io);
   nrrdWriter->SetFileName(this->GetOutputLocation().c_str());
   nrrdWriter->UseCompressionOn();
 
   try
   {
     nrrdWriter->Update();
   }
-  catch (itk::ExceptionObject e)
+  catch (itk::ExceptionObject &e)
   {
     std::cout << e << std::endl;
   }
 }
 
 mitk::NrrdTensorImageWriter* mitk::NrrdTensorImageWriter::Clone() const
 {
   return new NrrdTensorImageWriter(*this);
 }
 
 mitk::IFileWriter::ConfidenceLevel mitk::NrrdTensorImageWriter::GetConfidenceLevel() const
 {
   InputType::ConstPointer input = dynamic_cast<const InputType*>(this->GetInput());
   if (input.IsNull() )
   {
     return Unsupported;
   }
   else
   {
     return Supported;
   }
 }
diff --git a/Modules/MatchPointRegistration/autoload/IO/mitkMAPRegistrationWrapperIO.cpp b/Modules/MatchPointRegistration/autoload/IO/mitkMAPRegistrationWrapperIO.cpp
index 1266eaf6b6..3b0156fb46 100644
--- a/Modules/MatchPointRegistration/autoload/IO/mitkMAPRegistrationWrapperIO.cpp
+++ b/Modules/MatchPointRegistration/autoload/IO/mitkMAPRegistrationWrapperIO.cpp
@@ -1,319 +1,319 @@
 /*===================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
 #include <iostream>
 #include <fstream>
 
 #include <clocale>
 
 #include "mapRegistration.h"
 #include "mapRegistrationFileWriter.h"
 #include "mapRegistrationFileReader.h"
 #include "mapLazyFileFieldKernelLoader.h"
 
 #include <mitkCustomMimeType.h>
 #include <mitkIOMimeTypes.h>
 
 #include "mitkMAPRegistrationWrapperIO.h"
 #include "mitkMAPRegistrationWrapper.h"
 
 namespace mitk
 {
 
   /** Helper structure to change (and reset) the
   * local settings in a function scope*/
   struct LocaleSwitch
   {
     LocaleSwitch(const std::string& newLocale)
       : m_OldLocale(std::setlocale(LC_ALL, nullptr))
       , m_NewLocale(newLocale)
     {
       if (m_OldLocale == nullptr)
       {
         m_OldLocale = "";
       }
       else if (m_NewLocale != m_OldLocale)
       {
         // set the locale
         if (std::setlocale(LC_ALL, m_NewLocale.c_str()) == nullptr)
         {
           MITK_INFO << "Could not set locale " << m_NewLocale;
           m_OldLocale = nullptr;
         }
       }
     }
 
     ~LocaleSwitch()
     {
       if (m_OldLocale != nullptr && std::setlocale(LC_ALL, m_OldLocale) == nullptr)
       {
         MITK_INFO << "Could not reset locale " << m_OldLocale;
       }
     }
 
   private:
     const char* m_OldLocale;
     const std::string m_NewLocale;
   };
 
   /** Helper class that allows to use an functor in multiple combinations of
   * moving and target dimensions on a passed MAPRegistrationWrapper instance.\n
   * DimHelperSub is used DimHelper to iterate in a row of the dimension
   * combination matrix.
   */
   template< unsigned int i, unsigned int j, template < unsigned int,  unsigned int> class TFunctor>
   class DimHelperSub
   {
   public:
     static bool Execute(const mitk::MAPRegistrationWrapper* obj, const map::core::String& data)
     {
       if (TFunctor<i,j>::Execute(obj, data))
       {
         return true;
       }
       return DimHelperSub<i,j-1,TFunctor>::Execute(obj, data);
     }
   };
 
   /** Specialized template version of DimSubHelper that indicates the end
   * of the row in the dimension combination matrix, thus does nothing.
   */
   template< unsigned int i, template < unsigned int,  unsigned int> class TFunctor>
   class DimHelperSub<i,1,TFunctor >
   {
   public:
     static bool Execute(const mitk::MAPRegistrationWrapper*, const map::core::String&)
     {
       //just unwind. Go to the next "row" with DimHelper
       return false;
     }
   };
 
   /** Helper class that allows to use an functor in multiple combinations of
   * moving and target dimensions on a passed MAPRegistrationWrapper instance.\n
   * It is helpful if you want to ensure that all combinations are checked/touched
   * (e.g. 3D 3D, 3D 2D, 2D 3D, 2D 2D) without generating a large switch yard.
   * Think of n*m matrix (indicating the posible combinations). DimHelper walks from
   * one row to the next and uses DimHelperSub to iterate in a row.\n
   * For every element of the matrix the functor is executed on the passed object.
   */
   template< unsigned int i,  unsigned int j, template < unsigned int,  unsigned int> class TFunctor>
   class DimHelper{
   public:
     static bool Execute(const mitk::MAPRegistrationWrapper* obj, const map::core::String& data = "")
     {
       if (DimHelperSub<i,j,TFunctor>::Execute(obj, data))
       {
         return true;
       }
       return DimHelper<i-1,j,TFunctor>::Execute(obj, data);
     }
   };
 
   /** Specialized template version of DimHelper that indicates the end
   * of the dimension combination matrix, thus does nothing.
   */
   template< unsigned int j, template < unsigned int,  unsigned int> class TFunctor>
   class DimHelper<1,j, TFunctor >
   {
   public:
     static bool Execute(const mitk::MAPRegistrationWrapper*, const map::core::String&)
     {
       //just unwind. We are done.
       return false;
     }
   };
 
   /** Functor that checks of the dimension of the registration is supported and can
   * be written.
   */
   template<unsigned int i, unsigned int j>
   class CanWrite
   {
   public:
     static bool Execute(const mitk::MAPRegistrationWrapper* obj, const map::core::String& = "")
     {
       bool result = false;
 
       result = dynamic_cast<const map::core::Registration<i,j> *>(obj->GetRegistration()) != nullptr;
 
       return result;
     }
   };
 
   /** Functor that writes the registration to a file if it has the right dimensionality.
   */
   template<unsigned int i, unsigned int j>
   class WriteReg
   {
   public:
     static bool Execute(const mitk::MAPRegistrationWrapper* obj, const map::core::String& data)
     {
       const map::core::Registration<i,j>* pReg = dynamic_cast<const map::core::Registration<i,j>*>(obj->GetRegistration());
       if (pReg == nullptr)
       {
         return false;
       }
 
       typedef map::io::RegistrationFileWriter<i,j> WriterType;
       typename WriterType::Pointer writer = WriterType::New();
 
       writer->setExpandLazyKernels(false);
 
       try
       {
         writer->write(pReg,data);
       }
-      catch (itk::ExceptionObject e)
+      catch (itk::ExceptionObject &e)
       {
         std::cout << e << std::endl;
         throw;
       }
 
       return true;
     }
   };
 
   MAPRegistrationWrapperIO::MAPRegistrationWrapperIO(const MAPRegistrationWrapperIO& other)
     : AbstractFileIO(other)
   {
   }
 
   MAPRegistrationWrapperIO::MAPRegistrationWrapperIO() : AbstractFileIO(mitk::MAPRegistrationWrapper::GetStaticNameOfClass())
   {
     std::string category = "MatchPoint Registration File";
     CustomMimeType customMimeType;
     customMimeType.SetCategory(category);
     customMimeType.AddExtension("mapr");
     this->AbstractFileIOWriter::SetMimeType(customMimeType);
     this->AbstractFileIOWriter::SetDescription(category);
 
     customMimeType.AddExtension("mapr.xml");
     customMimeType.AddExtension("MAPR");
     customMimeType.AddExtension("MAPR.XML");
     this->AbstractFileIOReader::SetMimeType(customMimeType);
     this->AbstractFileIOReader::SetDescription(category);
 
     this->RegisterService();
   }
 
 
   void MAPRegistrationWrapperIO::Write()
   {
     bool success = false;
     const BaseData* input = this->GetInput();
     if (input == nullptr)
     {
       mitkThrow() << "Cannot write data. Data pointer is nullptr.";
     }
 
     const mitk::MAPRegistrationWrapper* wrapper = dynamic_cast<const mitk::MAPRegistrationWrapper*>(input);
     if (wrapper == nullptr)
     {
       mitkThrow() << "Cannot write data. Data pointer is not a Registration wrapper.";
     }
 
     std::ostream* writeStream = this->GetOutputStream();
     std::string fileName = this->GetOutputLocation();
     if (writeStream)
     {
       fileName = this->GetLocalFileName();
     }
 
     // Switch the current locale to "C"
     LocaleSwitch localeSwitch("C");
 
     try
     {
       success = DimHelper<3,3,WriteReg>::Execute(wrapper, fileName);
     }
     catch (const std::exception& e)
     {
       mitkThrow() << e.what();
     }
 
     if (!success)
     {
       mitkThrow() << "Cannot write registration. Currently only registrations up to 4D are supported.";
     }
   }
 
   AbstractFileIO::ConfidenceLevel MAPRegistrationWrapperIO::GetWriterConfidenceLevel() const
   {
     const mitk::MAPRegistrationWrapper* regWrapper =  dynamic_cast<const mitk::MAPRegistrationWrapper*>(this->GetInput());
 
     if (regWrapper == nullptr)
     {
       return IFileWriter::Unsupported;
     }
 
     // Check if the registration dimension is supported
     if (! DimHelper<3,3,CanWrite>::Execute(regWrapper))
     {
       return IFileWriter::Unsupported;
     };
 
     return IFileWriter::Supported;
   }
 
   std::vector<BaseData::Pointer >  MAPRegistrationWrapperIO::Read()
   {
     std::vector<BaseData::Pointer > result;
 
     LocaleSwitch("C");
 
     std::string fileName = this->GetLocalFileName();
     if ( fileName.empty() )
     {
       mitkThrow() << "Cannot read file. Filename has not been set!";
     }
 
     /* Remove the following kernel loader provider because in MITK no lazy file loading should be used
     due to conflicts with session loading (end there usage of temporary directories)*/
     map::io::RegistrationFileReader::LoaderStackType::unregisterProvider(map::io::LazyFileFieldKernelLoader<2,2>::getStaticProviderName());
     map::io::RegistrationFileReader::LoaderStackType::unregisterProvider(map::io::LazyFileFieldKernelLoader<3,3>::getStaticProviderName());
 
     map::io::RegistrationFileReader::Pointer spReader = map::io::RegistrationFileReader::New();
     spReader->setPreferLazyLoading(true);
     map::core::RegistrationBase::Pointer spReg = spReader->read(fileName);
     mitk::MAPRegistrationWrapper::Pointer spRegWrapper = mitk::MAPRegistrationWrapper::New();
     spRegWrapper->SetRegistration(spReg);
 
     result.push_back(spRegWrapper.GetPointer());
     return result;
   }
 
   AbstractFileIO::ConfidenceLevel MAPRegistrationWrapperIO::GetReaderConfidenceLevel() const
   {
     AbstractFileIO::ConfidenceLevel result = IFileReader::Unsupported;
 
     std::string fileName = this->GetLocalFileName();
     std::ifstream in( fileName.c_str() );
     if ( in.good() )
     {
       result = IFileReader::Supported;
     }
 
     in.close();
     return result;
   }
 
   MAPRegistrationWrapperIO* MAPRegistrationWrapperIO::IOClone() const
   {
     return new MAPRegistrationWrapperIO(*this);
   }
 
 }