Transition business error to technical error

Author: Hugo Marcellin

pom.xml

@@ -55,7 +55,7 @@
         and computation version containing merged PR: https://github.com/gridsuite/computation/pull/13
         -->
         <gridsuite-filter.version>1.12.0</gridsuite-filter.version>
-        <gridsuite-computation.version>1.6.0-SNAPSHOT</gridsuite-computation.version>
+        <gridsuite-computation.version>1.7.0-SNAPSHOT</gridsuite-computation.version>
     </properties>
 
     <build>

src/main/java/org/gridsuite/sensitivityanalysis/server/service/SensitivityAnalysisService.java

@@ -27,13 +27,13 @@
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
+import java.io.UncheckedIOException;
 import java.nio.charset.StandardCharsets;
 import java.text.NumberFormat;
 import java.util.*;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
 
-import static org.gridsuite.computation.ComputationBusinessErrorCode.FILE_EXPORT_ERROR;
 import static org.gridsuite.computation.ComputationBusinessErrorCode.INVALID_EXPORT_PARAMS;
 import static org.gridsuite.computation.ComputationBusinessErrorCode.RESULT_NOT_FOUND;
 
@@ -194,7 +194,7 @@ public byte[] exportSensitivityResultsAsCsv(UUID resultUuid, SensitivityAnalysis
             csvWriter.close();
             return outputStream.toByteArray();
         } catch (IOException e) {
-            throw new ComputationException(FILE_EXPORT_ERROR, e.getMessage());
+            throw new UncheckedIOException("Error occured during data csv export", e);
         }
     }