avoid exceptions

mission/memory/CMakeLists.txt

@@ -1 +1 @@
-target_sources(${LIB_EIVE_MISSION} PRIVATE NVMParameterBase.cpp)
+target_sources(${LIB_EIVE_MISSION} PRIVATE NvmParameterBase.cpp)

mission/memory/NvmParameterBase.cpp

@@ -1,4 +1,4 @@
-#include "NVMParameterBase.h"
+#include <mission/memory/NvmParameterBase.h>
 
 #include <fstream>
 
@@ -10,7 +10,8 @@ NVMParameterBase::NVMParameterBase(std::string fullName) : fullName(fullName) {}
 NVMParameterBase::NVMParameterBase() {}
 
 ReturnValue_t NVMParameterBase::readJsonFile() {
-  if (std::filesystem::exists(fullName)) {
+  std::error_code e;
+  if (std::filesystem::exists(fullName, e)) {
     // Read JSON file content into object
     std::ifstream i(fullName);
     try {
@@ -39,7 +40,10 @@ void NVMParameterBase::setFullName(std::string fullName) { this->fullName = full
 
 std::string NVMParameterBase::getFullName() const { return fullName; }
 
-bool NVMParameterBase::getJsonFileExists() { return std::filesystem::exists(fullName); }
+bool NVMParameterBase::getJsonFileExists() {
+  std::error_code e;
+  return std::filesystem::exists(fullName, e);
+}
 
 void NVMParameterBase::printKeys() const {
   sif::info << "Printing keys for JSON file " << fullName << std::endl;