diff --git a/src/main/java/org/ow2/petals/flowable/incoming/variable/VariableDefinition.java b/src/main/java/org/ow2/petals/flowable/incoming/variable/VariableDefinition.java
index a86cf3af..ff7627eb 100644
--- a/src/main/java/org/ow2/petals/flowable/incoming/variable/VariableDefinition.java
+++ b/src/main/java/org/ow2/petals/flowable/incoming/variable/VariableDefinition.java
@@ -1,16 +1,16 @@
 /**
  * Copyright (c) 2019-2021 Linagora
- * 
+ *
  * This program/library is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
  * the Free Software Foundation, either version 2.1 of the License, or (at your
  * option) any later version.
- * 
+ *
  * This program/library is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
  * for more details.
- * 
+ *
  * You should have received a copy of the GNU Lesser General Public License
  * along with this program/library; If not, see http://www.gnu.org/licenses/
  * for the GNU Lesser General Public License version 2.1.
@@ -41,14 +41,14 @@
 
 /**
  * Variable definition used as an internal model of a variable.
- * 
+ *
  * @author Christophe DENEUX - Linagora
  *
  */
 public class VariableDefinition {
-    
+
     private final String name;
-    
+
     private final XPathExpression xpathExprValue;
 
     private Templates preXmlTransformation;
@@ -174,7 +174,7 @@ public void setPreXmlTranformationResultJson(final boolean isPreXmlTranformation
 
     /**
      * Return the Flowable variable value in the right format according to its type
-     * 
+     *
      * @param stringValue
      *            The Flowable varaible value as {@link String} to convert in the right type
      * @throws VariableException
@@ -224,12 +224,12 @@ private Object convert(final String variableValueAsStr) throws VariableException
         } else if (this.type.equals("json")) {
             return Boolean.valueOf(variableValueAsStr);
         } else {
-            throw new VariableUnsupportedTypeException(this.type, this.name);
+            throw new VariableUnsupportedTypeException(this.name, this.type);
         }
     }
 
     /**
-     * 
+     *
      * @param incomingPayload
      * @param emptyVariableValueLogger
      *            A callback logger to log message about an empty value extracted
diff --git a/src/main/java/org/ow2/petals/flowable/incoming/variable/VariableImplBuilder.java b/src/main/java/org/ow2/petals/flowable/incoming/variable/VariableImplBuilder.java
index 61e6a70e..9d888a45 100644
--- a/src/main/java/org/ow2/petals/flowable/incoming/variable/VariableImplBuilder.java
+++ b/src/main/java/org/ow2/petals/flowable/incoming/variable/VariableImplBuilder.java
@@ -1,16 +1,16 @@
 /**
  * Copyright (c) 2019-2021 Linagora
- * 
+ *
  * This program/library is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
  * the Free Software Foundation, either version 2.1 of the License, or (at your
  * option) any later version.
- * 
+ *
  * This program/library is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
  * for more details.
- * 
+ *
  * You should have received a copy of the GNU Lesser General Public License
  * along with this program/library; If not, see http://www.gnu.org/licenses/
  * for the GNU Lesser General Public License version 2.1.
@@ -28,7 +28,7 @@
 
 /**
  * Abstract variable implementation.
- * 
+ *
  * @author Christophe DENEUX - Linagora
  *
  */
@@ -40,7 +40,7 @@ private VariableImplBuilder() {
 
     /**
      * Builds a {@link VariableImpl} from its {@link VariableDefinition}.
-     * 
+     *
      * @param variable
      *            The variable definition. Not {@code null}.
      * @return The variable implementation
@@ -74,13 +74,13 @@ public static final VariableImpl build(final VariableDefinition variable, final
                     variable.getNamespaceMappings(),
                     jacksonObjectMapper, logger);
         } else {
-            throw new VariableUnsupportedTypeException(variable.getType(), variable.getName());
+            throw new VariableUnsupportedTypeException(variable.getName(), variable.getType());
         }
     }
 
     /**
      * Builds a list of {@link VariableImpl} from a list of {@link VariableDefinition}.
-     * 
+     *
      * @param variables
      *            The variable definitions. Not {@code null}.
      * @return The variable implementations