diff --git a/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/CellDesignerParserException.java b/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/CellDesignerParserException.java
index 3009ac1a3a426b88498723d37f3d71e7d4d0662d..fa08dbc952962ac9215b98fb2ba3491aebcd91e8 100644
--- a/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/CellDesignerParserException.java
+++ b/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/CellDesignerParserException.java
@@ -1,57 +1,69 @@
 package lcsb.mapviewer.converter.model.celldesigner;
 
 /**
- * Exception that shold be thrown when the parser encouter problem with
- * cellDesigner file.
+ * Exception that should be thrown when the parser encounter problem with
+ * CellDesigner file.
  * 
  * @author Piotr Gawron
  * 
  */
 public abstract class CellDesignerParserException extends Exception {
-	/**
-	 * 
-	 */
-	private static final long serialVersionUID = 1L;
-
-	/**
-	 * Default constructor - initializes instance variable to unknown.
-	 */
-
-	public CellDesignerParserException() {
-		super(); // call superclass constructor
-	}
-
-	/**
-	 * Constructor receives some kind of message.
-	 * 
-	 * @param err
-	 *          message associated with exception
-	 */
-
-	public CellDesignerParserException(final String err) {
-		super(err);
-	}
-
-	/**
-	 * Constructor receives some kind of message and parent exception.
-	 * 
-	 * @param err
-	 *          message associated with exception
-	 * @param throwable
-	 *          parent exception
-	 */
-	public CellDesignerParserException(final String err, final Throwable throwable) {
-		super(err, throwable);
-	}
-
-	/**
-	 * Public constructor with parent exception that was catched.
-	 * 
-	 * @param e
-	 *          parent exception
-	 */
-
-	public CellDesignerParserException(final Throwable e) {
-		super(e);
-	}
+  /**
+   * 
+   */
+  private static final long serialVersionUID = 1L;
+
+  /**
+   * Default constructor - initializes instance variable to unknown.
+   */
+
+  public CellDesignerParserException() {
+    super(); // call superclass constructor
+  }
+
+  /**
+   * Constructor receives some kind of message.
+   * 
+   * @param err
+   *          message associated with exception
+   */
+
+  public CellDesignerParserException(final String err) {
+    super(err);
+  }
+
+  /**
+   * Constructor receives some kind of message and parent exception.
+   * 
+   * @param err
+   *          message associated with exception
+   * @param throwable
+   *          parent exception
+   */
+  public CellDesignerParserException(final String err, final Throwable throwable) {
+    super(err, throwable);
+  }
+
+  /**
+   * Public constructor with parent exception that was caught.
+   * 
+   * @param e
+   *          parent exception
+   */
+
+  public CellDesignerParserException(final Throwable e) {
+    super(e);
+  }
+
+  public String getMessageWithContext() {
+    String message;
+    if (this.getCause() != null) {
+      message = this.getCause().getMessage();
+    } else {
+      message = this.getMessage();
+    }
+    return getMessageContext() + " " + message;
+  }
+
+  public abstract String getMessageContext();
 }
diff --git a/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/CellDesignerXmlParser.java b/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/CellDesignerXmlParser.java
index a22d3705a50c6340d8ac074a519ef3f6e13b35d4..44ebeb6677f5790802ad14a6a6298cb5e8d13496 100644
--- a/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/CellDesignerXmlParser.java
+++ b/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/CellDesignerXmlParser.java
@@ -243,7 +243,7 @@ public class CellDesignerXmlParser extends XmlParser implements IConverter {
     } catch (InvalidXmlSchemaException e) {
       throw new InvalidInputDataExecption(e);
     } catch (CellDesignerParserException e) {
-      throw new InvalidInputDataExecption(e);
+      throw new InvalidInputDataExecption(e.getMessageWithContext(), e);
     }
 
     return model;
diff --git a/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/compartment/CompartmentCollectionXmlParser.java b/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/compartment/CompartmentCollectionXmlParser.java
index 6057b82fe7b620fa880501edd10447a1b1e1f97f..f5ef296f76ac9ed0284442f3b203432d0ad8562c 100644
--- a/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/compartment/CompartmentCollectionXmlParser.java
+++ b/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/compartment/CompartmentCollectionXmlParser.java
@@ -27,82 +27,85 @@ import lcsb.mapviewer.model.map.compartment.PathwayCompartment;
  */
 public class CompartmentCollectionXmlParser extends XmlParser {
 
-	/**
-	 * Default class logger.
-	 */
-	@SuppressWarnings("unused")
-	private Logger												logger = Logger.getLogger(CompartmentCollectionXmlParser.class.getName());
+  /**
+   * Default class logger.
+   */
+  @SuppressWarnings("unused")
+  private Logger logger = Logger.getLogger(CompartmentCollectionXmlParser.class.getName());
 
-	/**
-	 * CellDesigner xml parser for single compartment.
-	 */
-	private CompartmentXmlParser					compartmentParser;
+  /**
+   * CellDesigner xml parser for single compartment.
+   */
+  private CompartmentXmlParser compartmentParser;
 
-	/**
-	 * Collection of {@link CellDesignerElement cell designer elements} parsed
-	 * from xml.
-	 */
-	private CellDesignerElementCollection	elements;
+  /**
+   * Collection of {@link CellDesignerElement cell designer elements} parsed from
+   * xml.
+   */
+  private CellDesignerElementCollection elements;
 
-	/**
-	 * Default constructor.
-	 * 
-	 * @param elements
-	 *          collection of {@link CellDesignerElement cell designer elements}
-	 *          parsed from xml
-	 */
-	public CompartmentCollectionXmlParser(CellDesignerElementCollection elements) {
-		this.elements = elements;
-		compartmentParser = new CompartmentXmlParser(elements);
-	}
+  /**
+   * Default constructor.
+   * 
+   * @param elements
+   *          collection of {@link CellDesignerElement cell designer elements}
+   *          parsed from xml
+   */
+  public CompartmentCollectionXmlParser(CellDesignerElementCollection elements) {
+    this.elements = elements;
+    compartmentParser = new CompartmentXmlParser(elements);
+  }
 
-	/**
-	 * Parse CellDEsigner xml node with collection of compartments.
-	 * 
-	 * @param compartmentsNode
-	 *          xml node to parse
-	 * @return list of compartments obtained from xml node
-	 * @throws InvalidXmlSchemaException
-	 *           thrown when there is a problem with xml
-	 */
-	public List<CellDesignerCompartment> parseXmlCompartmentCollection(Node compartmentsNode) throws InvalidXmlSchemaException {
-		List<CellDesignerCompartment> result = new ArrayList<CellDesignerCompartment>();
-		NodeList nodes = compartmentsNode.getChildNodes();
-		for (int x = 0; x < nodes.getLength(); x++) {
-			Node node = nodes.item(x);
-			if (node.getNodeType() == Node.ELEMENT_NODE) {
-				if (node.getNodeName().equalsIgnoreCase("compartment")) {
-					Pair<String, CellDesignerCompartment> compartmentPair = compartmentParser.parseXmlElement(node);
-					result.add(compartmentPair.getRight());
-				} else {
-					throw new InvalidXmlSchemaException("Unknown element of model/listOfCompartments: " + node.getNodeName());
-				}
-			}
-		}
-		return result;
-	}
+  /**
+   * Parse CellDEsigner xml node with collection of compartments.
+   * 
+   * @param compartmentsNode
+   *          xml node to parse
+   * @return list of compartments obtained from xml node
+   * @throws InvalidXmlSchemaException
+   *           thrown when there is a problem with xml
+   * @throws CompartmentParserException 
+   *           thrown when there is a problem with parsing a compartment
+   */
+  public List<CellDesignerCompartment> parseXmlCompartmentCollection(Node compartmentsNode)
+      throws InvalidXmlSchemaException, CompartmentParserException {
+    List<CellDesignerCompartment> result = new ArrayList<>();
+    NodeList nodes = compartmentsNode.getChildNodes();
+    for (int x = 0; x < nodes.getLength(); x++) {
+      Node node = nodes.item(x);
+      if (node.getNodeType() == Node.ELEMENT_NODE) {
+        if (node.getNodeName().equalsIgnoreCase("compartment")) {
+          Pair<String, CellDesignerCompartment> compartmentPair = compartmentParser.parseXmlElement(node);
+          result.add(compartmentPair.getRight());
+        } else {
+          throw new InvalidXmlSchemaException("Unknown element of model/listOfCompartments: " + node.getNodeName());
+        }
+      }
+    }
+    return result;
+  }
 
-	/**
-	 * Creates CellDesigner xml string from set of compartments.
-	 * 
-	 * @param collection
-	 *          collection of compartments to be transformed into xml
-	 * @return xml representation of the compartments
-	 */
-	public String toXml(Collection<Compartment> collection) {
-		StringBuilder result = new StringBuilder();
-		result.append("<listOfCompartments>\n");
-		Set<String> addedIds = new HashSet<>();
-		for (Compartment compartment : collection) {
-			String sbmlId = elements.getElementId(compartment);
-			if (!addedIds.contains(sbmlId) && !(compartment instanceof PathwayCompartment)) {
-				addedIds.add(sbmlId);
-				result.append(compartmentParser.toXml(compartment));
-			}
-		}
-		Compartment defaultCompartment = new Compartment("default");
-		result.append(compartmentParser.toXml(defaultCompartment));
-		result.append("</listOfCompartments>\n");
-		return result.toString();
-	}
+  /**
+   * Creates CellDesigner xml string from set of compartments.
+   * 
+   * @param collection
+   *          collection of compartments to be transformed into xml
+   * @return xml representation of the compartments
+   */
+  public String toXml(Collection<Compartment> collection) {
+    StringBuilder result = new StringBuilder();
+    result.append("<listOfCompartments>\n");
+    Set<String> addedIds = new HashSet<>();
+    for (Compartment compartment : collection) {
+      String sbmlId = elements.getElementId(compartment);
+      if (!addedIds.contains(sbmlId) && !(compartment instanceof PathwayCompartment)) {
+        addedIds.add(sbmlId);
+        result.append(compartmentParser.toXml(compartment));
+      }
+    }
+    Compartment defaultCompartment = new Compartment("default");
+    result.append(compartmentParser.toXml(defaultCompartment));
+    result.append("</listOfCompartments>\n");
+    return result.toString();
+  }
 }
diff --git a/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/compartment/CompartmentParserException.java b/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/compartment/CompartmentParserException.java
new file mode 100644
index 0000000000000000000000000000000000000000..6e8afa1fb25d0e6dd23bad6caa74ee82533cba76
--- /dev/null
+++ b/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/compartment/CompartmentParserException.java
@@ -0,0 +1,126 @@
+package lcsb.mapviewer.converter.model.celldesigner.compartment;
+
+import org.apache.log4j.Logger;
+
+import lcsb.mapviewer.converter.model.celldesigner.CellDesignerParserException;
+import lcsb.mapviewer.model.map.compartment.Compartment;
+
+/**
+ * Exception thrown when problem with parsing {@link Compartment} is
+ * encountered.
+ * 
+ * @author Piotr Gawron
+ * 
+ */
+public class CompartmentParserException extends CellDesignerParserException {
+  Logger logger = Logger.getLogger(CompartmentParserException.class);
+
+  /**
+   * 
+   */
+  private static final long serialVersionUID = 1L;
+
+  /**
+   * Identifier of compartment that was a reason for this exception.
+   */
+  private String compartmentId;
+
+  /**
+   * Default constructor.
+   * 
+   * @param message
+   *          message thrown
+   * @param compartmentId
+   *          {@link #compartmentId}
+   */
+  public CompartmentParserException(String message, String compartmentId) {
+    super(message);
+    this.compartmentId = compartmentId;
+  }
+
+  /**
+   * Default constructor.
+   * 
+   * @param message
+   *          message thrown
+   * @param compartment
+   *          {@link #compartmentId}
+   */
+  public CompartmentParserException(String message, Compartment compartment) {
+    super(message);
+    if (compartment != null) {
+      setCompartmentId(compartment.getElementId());
+    }
+  }
+
+  /**
+   * Default constructor.
+   * 
+   * @param message
+   *          message thrown
+   * @param compartment
+   *          {@link #compartmentId}
+   * @param e
+   *          super exception
+   */
+  public CompartmentParserException(String message, Compartment compartment, Exception e) {
+    super(message, e);
+    if (compartment != null) {
+      setCompartmentId(compartment.getElementId());
+    }
+  }
+
+  /**
+   * Default constructor.
+   * 
+   * @param compartment
+   *          {@link #compartmentId}
+   * @param e
+   *          super exception
+   */
+  public CompartmentParserException(Compartment compartment, Throwable e) {
+    super(e);
+    if (compartment != null) {
+      setCompartmentId(compartment.getElementId());
+    }
+  }
+
+  /**
+   * Default constructor.
+   * 
+   * @param compartmentId
+   *          {@link #compartmentId}
+   * @param e
+   *          super exception
+   */
+  public CompartmentParserException(String compartmentId, Throwable e) {
+    super(e);
+    setCompartmentId(compartmentId);
+  }
+
+  /**
+   * @return the compartmentId
+   * @see #compartmentId
+   */
+  public String getCompartmentId() {
+    return compartmentId;
+  }
+
+  /**
+   * @param compartmentId
+   *          the compartmentId to set
+   * @see #compartmentId
+   */
+  public void setCompartmentId(String compartmentId) {
+    this.compartmentId = compartmentId;
+  }
+
+  @Override
+  public String getMessageContext() {
+    if (compartmentId != null) {
+      return "[Compartment: " + compartmentId + "]";
+    }
+    return null;
+  }
+
+}
diff --git a/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/compartment/CompartmentXmlParser.java b/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/compartment/CompartmentXmlParser.java
index b284a5ab92e67bfb983bb9ffd3a41c5eb376c89c..0c70794f2e649473e2489129773446899819e28e 100644
--- a/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/compartment/CompartmentXmlParser.java
+++ b/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/compartment/CompartmentXmlParser.java
@@ -23,149 +23,155 @@ import lcsb.mapviewer.model.map.compartment.PathwayCompartment;
  */
 public class CompartmentXmlParser extends AbstractElementXmlParser<CellDesignerCompartment, Compartment> {
 
-	/**
-	 * Default class logger.
-	 */
-	@SuppressWarnings("unused")
-	private static Logger									logger							= Logger.getLogger(CompartmentXmlParser.class.getName());
+  /**
+   * Default class logger.
+   */
+  @SuppressWarnings("unused")
+  private static Logger logger = Logger.getLogger(CompartmentXmlParser.class.getName());
 
-	/**
-	 * Parser used to retrieve Miriam data for the element.
-	 */
-	private XmlAnnotationParser						xmlAnnotationParser	= new XmlAnnotationParser();
+  /**
+   * Parser used to retrieve Miriam data for the element.
+   */
+  private XmlAnnotationParser xmlAnnotationParser = new XmlAnnotationParser();
 
-	/**
-	 * Collection of {@link CellDesignerElement cell designer elements} parsed
-	 * from xml.
-	 */
-	private CellDesignerElementCollection	elements;
+  /**
+   * Collection of {@link CellDesignerElement cell designer elements} parsed from
+   * xml.
+   */
+  private CellDesignerElementCollection elements;
 
-	/**
-	 * Xml parser used for processing notes into structurized data.
-	 */
-	private RestAnnotationParser					rap									= new RestAnnotationParser();
+  /**
+   * Xml parser used for processing notes into structurized data.
+   */
+  private RestAnnotationParser rap = new RestAnnotationParser();
 
-	/**
-	 * Default constructor.
-	 * 
-	 * @param elements
-	 *          collection of {@link CellDesignerElement cell designer elements}
-	 *          parsed from xml
-	 */
-	public CompartmentXmlParser(CellDesignerElementCollection elements) {
-		this.elements = elements;
-	}
+  /**
+   * Default constructor.
+   * 
+   * @param elements
+   *          collection of {@link CellDesignerElement cell designer elements}
+   *          parsed from xml
+   */
+  public CompartmentXmlParser(CellDesignerElementCollection elements) {
+    this.elements = elements;
+  }
 
-	@Override
-	public Pair<String, CellDesignerCompartment> parseXmlElement(Node compartmentNode) throws InvalidXmlSchemaException {
-		CellDesignerCompartment compartment = new CellDesignerCompartment();
-		// we ignore metaid - it's useless and obstruct data model
-		// compartment.setMetaId(getNodeAttr("metaid", compartmentNode));
-		compartment.setElementId(getNodeAttr("id", compartmentNode));
-		compartment.setName(decodeName(getNodeAttr("name", compartmentNode)));
-		NodeList nodes = compartmentNode.getChildNodes();
-		for (int x = 0; x < nodes.getLength(); x++) {
-			Node node = nodes.item(x);
-			if (node.getNodeType() == Node.ELEMENT_NODE) {
-				if (node.getNodeName().equalsIgnoreCase("annotation")) {
-					parseAnnotationNode(compartment, node);
-				} else if (node.getNodeName().equalsIgnoreCase("notes")) {
-					compartment.setNotes(rap.getNotes(node));
-				} else {
-					throw new InvalidXmlSchemaException("Unknown element of Compartment: " + node.getNodeName());
-				}
-			}
-		}
-		return new Pair<String, CellDesignerCompartment>(compartment.getElementId(), compartment);
-	}
+  @Override
+  public Pair<String, CellDesignerCompartment> parseXmlElement(Node compartmentNode) throws CompartmentParserException {
+    CellDesignerCompartment compartment = new CellDesignerCompartment();
+    // we ignore metaid - it's useless and obstruct data model
+    // compartment.setMetaId(getNodeAttr("metaid", compartmentNode));
+    compartment.setElementId(getNodeAttr("id", compartmentNode));
+    compartment.setName(decodeName(getNodeAttr("name", compartmentNode)));
+    try {
+      NodeList nodes = compartmentNode.getChildNodes();
+      for (int x = 0; x < nodes.getLength(); x++) {
+        Node node = nodes.item(x);
+        if (node.getNodeType() == Node.ELEMENT_NODE) {
+          if (node.getNodeName().equalsIgnoreCase("annotation")) {
+            parseAnnotationNode(compartment, node);
+          } else if (node.getNodeName().equalsIgnoreCase("notes")) {
+            compartment.setNotes(rap.getNotes(node));
+          } else {
+            throw new InvalidXmlSchemaException("Unknown element of Compartment: " + node.getNodeName());
+          }
+        }
+      }
+      return new Pair<String, CellDesignerCompartment>(compartment.getElementId(), compartment);
+    } catch (InvalidXmlSchemaException e) {
+      throw new CompartmentParserException(compartment.getElementId(), e);
+    }
+  }
 
-	/**
-	 * Process annotation part of the xml node.
-	 * 
-	 * @param compartment
-	 *          object that we create
-	 * @param xmlNode
-	 *          annotation xml node
-	 * @throws InvalidXmlSchemaException
-	 *           thrown when there is a problem with xml
-	 */
-	private void parseAnnotationNode(CellDesignerCompartment compartment, Node xmlNode) throws InvalidXmlSchemaException {
-		NodeList annotationNodes = xmlNode.getChildNodes();
-		for (int y = 0; y < annotationNodes.getLength(); y++) {
-			Node annotationNode = annotationNodes.item(y);
-			if (annotationNode.getNodeType() == Node.ELEMENT_NODE) {
-				if (annotationNode.getNodeName().equalsIgnoreCase("rdf:RDF")) {
-					compartment.addMiriamData(xmlAnnotationParser.parseRdfNode(annotationNode));
-				} else if (annotationNode.getNodeName().equalsIgnoreCase("celldesigner:extension")) {
-					parseExtensionNode(compartment, annotationNode);
-				} else {
-					throw new InvalidXmlSchemaException("Unknown element of Compartment/annotation: " + annotationNode.getNodeName());
-				}
-			}
-		}
-	}
+  /**
+   * Process annotation part of the xml node.
+   * 
+   * @param compartment
+   *          object that we create
+   * @param xmlNode
+   *          annotation xml node
+   * @throws InvalidXmlSchemaException
+   *           thrown when there is a problem with xml
+   */
+  private void parseAnnotationNode(CellDesignerCompartment compartment, Node xmlNode) throws InvalidXmlSchemaException {
+    NodeList annotationNodes = xmlNode.getChildNodes();
+    for (int y = 0; y < annotationNodes.getLength(); y++) {
+      Node annotationNode = annotationNodes.item(y);
+      if (annotationNode.getNodeType() == Node.ELEMENT_NODE) {
+        if (annotationNode.getNodeName().equalsIgnoreCase("rdf:RDF")) {
+          compartment.addMiriamData(xmlAnnotationParser.parseRdfNode(annotationNode));
+        } else if (annotationNode.getNodeName().equalsIgnoreCase("celldesigner:extension")) {
+          parseExtensionNode(compartment, annotationNode);
+        } else {
+          throw new InvalidXmlSchemaException(
+              "Unknown xml tag of compartment->annotation: " + annotationNode.getNodeName());
+        }
+      }
+    }
+  }
 
-	/**
-	 * Process extension part of the xml node.
-	 * 
-	 * @param compartment
-	 *          object that we create
-	 * @param xmlNode
-	 *          annotation xml node
-	 * @throws InvalidXmlSchemaException
-	 *           thrown when xmlNode is invalid
-	 */
-	private void parseExtensionNode(CellDesignerCompartment compartment, Node xmlNode) throws InvalidXmlSchemaException {
-		NodeList annotationNodes = xmlNode.getChildNodes();
-		for (int y = 0; y < annotationNodes.getLength(); y++) {
-			Node annotationNode = annotationNodes.item(y);
-			if (annotationNode.getNodeType() == Node.ELEMENT_NODE) {
-				if (annotationNode.getNodeName().equalsIgnoreCase("celldesigner:name")) {
-					// ignore it (we already have this name)
-					continue;
-				} else {
-					throw new InvalidXmlSchemaException("Unknown element of Compartment/annotation/extension: " + annotationNode.getNodeName());
-				}
-			}
-		}
-	}
+  /**
+   * Process extension part of the xml node.
+   * 
+   * @param compartment
+   *          object that we create
+   * @param xmlNode
+   *          annotation xml node
+   * @throws InvalidXmlSchemaException
+   *           thrown when xmlNode is invalid
+   */
+  private void parseExtensionNode(CellDesignerCompartment compartment, Node xmlNode) throws InvalidXmlSchemaException {
+    NodeList annotationNodes = xmlNode.getChildNodes();
+    for (int y = 0; y < annotationNodes.getLength(); y++) {
+      Node annotationNode = annotationNodes.item(y);
+      if (annotationNode.getNodeType() == Node.ELEMENT_NODE) {
+        if (annotationNode.getNodeName().equalsIgnoreCase("celldesigner:name")) {
+          // ignore it (we already have this name)
+          continue;
+        } else {
+          throw new InvalidXmlSchemaException(
+              "Unknown element of Compartment/annotation/extension: " + annotationNode.getNodeName());
+        }
+      }
+    }
+  }
 
-	@Override
-	public String toXml(Compartment compartment) {
-		StringBuilder sb = new StringBuilder("");
-		sb.append("<compartment ");
-		sb.append("metaid=\"" + elements.getElementId(compartment) + "\" ");
-		sb.append("id=\"" + elements.getElementId(compartment) + "\" ");
-		sb.append("name=\"" + encodeName(compartment.getName()) + "\" ");
-		sb.append("size=\"1\" ");
-		sb.append("units=\"volume\" ");
-		String parentName = "default";
+  @Override
+  public String toXml(Compartment compartment) {
+    StringBuilder sb = new StringBuilder("");
+    sb.append("<compartment ");
+    sb.append("metaid=\"" + elements.getElementId(compartment) + "\" ");
+    sb.append("id=\"" + elements.getElementId(compartment) + "\" ");
+    sb.append("name=\"" + encodeName(compartment.getName()) + "\" ");
+    sb.append("size=\"1\" ");
+    sb.append("units=\"volume\" ");
+    String parentName = "default";
 
-		if (compartment.getCompartment() != null && !(compartment.getCompartment() instanceof PathwayCompartment)) {
-			parentName = elements.getElementId(compartment.getCompartment());
-		}
+    if (compartment.getCompartment() != null && !(compartment.getCompartment() instanceof PathwayCompartment)) {
+      parentName = elements.getElementId(compartment.getCompartment());
+    }
 
-		// default is the top level compartment
-		if (!compartment.getElementId().equals("default")) {
-			sb.append("outside=\"" + parentName + "\" ");
-		}
-		sb.append(">\n");
-		sb.append("<annotation>\n");
-		sb.append("<celldesigner:extension>\n");
-		sb.append("<celldesigner:name>" + encodeName(compartment.getName()) + "</celldesigner:name>\n");
-		sb.append("</celldesigner:extension>\n");
-		sb.append(xmlAnnotationParser.dataSetToXmlString(compartment.getMiriamData()));
-		sb.append("</annotation>\n");
-		sb.append("<notes>");
-		sb.append("<html xmlns=\"http://www.w3.org/1999/xhtml\"><head><title/></head><body>");
-		RestAnnotationParser rap = new RestAnnotationParser();
-		sb.append(rap.createAnnotationString(compartment));
-		if (compartment.getNotes() != null) {
-			sb.append(compartment.getNotes());
-		}
-		sb.append("</body></html>");
-		sb.append("</notes>\n");
-		sb.append("</compartment>\n");
-		return sb.toString();
-	}
+    // default is the top level compartment
+    if (!compartment.getElementId().equals("default")) {
+      sb.append("outside=\"" + parentName + "\" ");
+    }
+    sb.append(">\n");
+    sb.append("<annotation>\n");
+    sb.append("<celldesigner:extension>\n");
+    sb.append("<celldesigner:name>" + encodeName(compartment.getName()) + "</celldesigner:name>\n");
+    sb.append("</celldesigner:extension>\n");
+    sb.append(xmlAnnotationParser.dataSetToXmlString(compartment.getMiriamData()));
+    sb.append("</annotation>\n");
+    sb.append("<notes>");
+    sb.append("<html xmlns=\"http://www.w3.org/1999/xhtml\"><head><title/></head><body>");
+    RestAnnotationParser rap = new RestAnnotationParser();
+    sb.append(rap.createAnnotationString(compartment));
+    if (compartment.getNotes() != null) {
+      sb.append(compartment.getNotes());
+    }
+    sb.append("</body></html>");
+    sb.append("</notes>\n");
+    sb.append("</compartment>\n");
+    return sb.toString();
+  }
 }
diff --git a/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/reaction/ReactionParserException.java b/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/reaction/ReactionParserException.java
index 86ed00cd4cd3f3e722d1a58c5bf5a96f7f94f565..0da75c8289fa85a78cd529ab695a5923703d9389 100644
--- a/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/reaction/ReactionParserException.java
+++ b/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/reaction/ReactionParserException.java
@@ -12,91 +12,99 @@ import lcsb.mapviewer.model.map.reaction.Reaction;
  */
 public class ReactionParserException extends CellDesignerParserException {
 
-	/**
-	 * 
-	 */
-	private static final long	serialVersionUID = 1L;
+  /**
+   * 
+   */
+  private static final long serialVersionUID = 1L;
 
-	/**
-	 * Identifier of reaction that was a reason for this exception.
-	 */
-	private String						reactionId;
+  /**
+   * Identifier of reaction that was a reason for this exception.
+   */
+  private String reactionId;
 
-	/**
-	 * Default constructor.
-	 * 
-	 * @param message
-	 *          message thrown
-	 * @param reactionId
-	 *          {@link #reactionId}
-	 */
-	public ReactionParserException(String message, String reactionId) {
-		super(message);
-		this.reactionId = reactionId;
-	}
+  /**
+   * Default constructor.
+   * 
+   * @param message
+   *          message thrown
+   * @param reactionId
+   *          {@link #reactionId}
+   */
+  public ReactionParserException(String message, String reactionId) {
+    super(message);
+    this.reactionId = reactionId;
+  }
 
-	/**
-	 * Default constructor.
-	 * 
-	 * @param message
-	 *          message thrown
-	 * @param reaction
-	 *          {@link #reactionId}
-	 */
-	public ReactionParserException(String message, Reaction reaction) {
-		super(message);
-		if (reaction != null) {
-			setReactionId(reaction.getIdReaction());
-		}
-	}
+  /**
+   * Default constructor.
+   * 
+   * @param message
+   *          message thrown
+   * @param reaction
+   *          {@link #reactionId}
+   */
+  public ReactionParserException(String message, Reaction reaction) {
+    super(message);
+    if (reaction != null) {
+      setReactionId(reaction.getIdReaction());
+    }
+  }
 
-	/**
-	 * Default constructor.
-	 * 
-	 * @param message
-	 *          message thrown
-	 * @param reaction
-	 *          {@link #reactionId}
-	 * @param e
-	 *          super exception
-	 */
-	public ReactionParserException(String message, Reaction reaction, Exception e) {
-		super(message, e);
-		if (reaction != null) {
-			setReactionId(reaction.getIdReaction());
-		}
-	}
+  /**
+   * Default constructor.
+   * 
+   * @param message
+   *          message thrown
+   * @param reaction
+   *          {@link #reactionId}
+   * @param e
+   *          super exception
+   */
+  public ReactionParserException(String message, Reaction reaction, Exception e) {
+    super(message, e);
+    if (reaction != null) {
+      setReactionId(reaction.getIdReaction());
+    }
+  }
 
-	/**
-	 * Default constructor.
-	 * 
-	 * @param reaction
-	 *          {@link #reactionId}
-	 * @param e
-	 *          super exception
-	 */
-	public ReactionParserException(Reaction reaction, Throwable e) {
-		super(e);
-		if (reaction != null) {
-			setReactionId(reaction.getIdReaction());
-		}
-	}
+  /**
+   * Default constructor.
+   * 
+   * @param reaction
+   *          {@link #reactionId}
+   * @param e
+   *          super exception
+   */
+  public ReactionParserException(Reaction reaction, Throwable e) {
+    super(e);
+    if (reaction != null) {
+      setReactionId(reaction.getIdReaction());
+    }
+  }
 
-	/**
-	 * @return the reactionId
-	 * @see #reactionId
-	 */
-	public String getReactionId() {
-		return reactionId;
-	}
+  /**
+   * @return the reactionId
+   * @see #reactionId
+   */
+  public String getReactionId() {
+    return reactionId;
+  }
 
-	/**
-	 * @param reactionId
-	 *          the reactionId to set
-	 * @see #reactionId
-	 */
-	public void setReactionId(String reactionId) {
-		this.reactionId = reactionId;
-	}
+  /**
+   * @param reactionId
+   *          the reactionId to set
+   * @see #reactionId
+   */
+  public void setReactionId(String reactionId) {
+    this.reactionId = reactionId;
+  }
+
+  @Override
+  public String getMessageContext() {
+    if (reactionId != null) {
+      return "[Reaction: " + reactionId + "]";
+    }
+    return null;
+  }
 
 }
diff --git a/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/species/AbstractElementXmlParser.java b/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/species/AbstractElementXmlParser.java
index fcd1d7833f8dbde1ddd24bdb5e766145aa7d3efc..90ba13c3a6b2f031f29fc3629bbfbbabceae3561 100644
--- a/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/species/AbstractElementXmlParser.java
+++ b/converter-CellDesigner/src/main/java/lcsb/mapviewer/converter/model/celldesigner/species/AbstractElementXmlParser.java
@@ -11,7 +11,9 @@ import org.w3c.dom.NodeList;
 import lcsb.mapviewer.common.Pair;
 import lcsb.mapviewer.common.XmlParser;
 import lcsb.mapviewer.common.exception.InvalidXmlSchemaException;
+import lcsb.mapviewer.converter.model.celldesigner.CellDesignerParserException;
 import lcsb.mapviewer.converter.model.celldesigner.annotation.RestAnnotationParser;
+import lcsb.mapviewer.converter.model.celldesigner.compartment.CompartmentParserException;
 import lcsb.mapviewer.converter.model.celldesigner.structure.CellDesignerElement;
 import lcsb.mapviewer.model.map.InconsistentModelException;
 import lcsb.mapviewer.model.map.species.Element;
@@ -57,8 +59,9 @@ public abstract class AbstractElementXmlParser<T extends CellDesignerElement<?>,
    *         and element parsed from xml node in {@link Pair#right}.
    * @throws InvalidXmlSchemaException
    *           thrown when xml is invalid
+   * @throws CompartmentParserException 
    */
-  public abstract Pair<String, T> parseXmlElement(Node node) throws InvalidXmlSchemaException;
+  public abstract Pair<String, T> parseXmlElement(Node node) throws InvalidXmlSchemaException, CellDesignerParserException;
 
   /**
    * Default constructor.
@@ -132,12 +135,12 @@ public abstract class AbstractElementXmlParser<T extends CellDesignerElement<?>,
    *         and element parsed from xml node in {@link Pair#right}.
    * @throws InvalidXmlSchemaException
    *           thrown when xmlString is invalid
+   * @throws CellDesignerParserException 
    */
-  public Pair<String, T> parseXmlElement(String xmlString) throws InvalidXmlSchemaException {
+  public Pair<String, T> parseXmlElement(String xmlString) throws InvalidXmlSchemaException, CellDesignerParserException {
     Document doc = getXmlDocumentFromString(xmlString);
     NodeList root = doc.getChildNodes();
     return parseXmlElement(root.item(0));
-
   }
 
   /**
diff --git a/converter-CellDesigner/src/test/java/lcsb/mapviewer/converter/model/celldesigner/AllCellDesignerTests.java b/converter-CellDesigner/src/test/java/lcsb/mapviewer/converter/model/celldesigner/AllCellDesignerTests.java
index 7f521c9341b93e355b276921906c863e47c6b134..f40328f788cde5be11c89e766430d345490da24e 100644
--- a/converter-CellDesigner/src/test/java/lcsb/mapviewer/converter/model/celldesigner/AllCellDesignerTests.java
+++ b/converter-CellDesigner/src/test/java/lcsb/mapviewer/converter/model/celldesigner/AllCellDesignerTests.java
@@ -28,7 +28,6 @@ import lcsb.mapviewer.converter.model.celldesigner.unit.UnitXmlParserTest;
     AllStructureTests.class, //
     AllTypesTests.class, //
     CellDesignerElementCollectionTest.class, //
-    CellDesignerParserExceptionTest.class, //
     CellDesignerXmlParserTest.class, //
     ComplexParserTests.class, //
     InvalidGroupExceptionTest.class, //
diff --git a/converter-CellDesigner/src/test/java/lcsb/mapviewer/converter/model/celldesigner/CellDesignerParserExceptionTest.java b/converter-CellDesigner/src/test/java/lcsb/mapviewer/converter/model/celldesigner/CellDesignerParserExceptionTest.java
deleted file mode 100644
index b586a2cc6624dd9d34d799d880f4db32b71102a4..0000000000000000000000000000000000000000
--- a/converter-CellDesigner/src/test/java/lcsb/mapviewer/converter/model/celldesigner/CellDesignerParserExceptionTest.java
+++ /dev/null
@@ -1,52 +0,0 @@
-package lcsb.mapviewer.converter.model.celldesigner;
-
-import static org.junit.Assert.assertNotNull;
-
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-
-public class CellDesignerParserExceptionTest {
-
-	private static class Tmp extends CellDesignerParserException {
-
-		/**
-		 * 
-		 */
-		private static final long serialVersionUID = 1L;
-
-		public Tmp(String string) {
-			super(string);
-		}
-
-		public Tmp() {
-			super();
-		}
-
-		public Tmp(String string, Exception exception) {
-			super(string, exception);
-		}
-
-		public Tmp(Exception exception) {
-			super(exception);
-		}
-
-	}
-
-	@Before
-	public void setUp() throws Exception {
-	}
-
-	@After
-	public void tearDown() throws Exception {
-	}
-
-	@Test
-	public void testConstructor() {
-		assertNotNull(new Tmp());
-		assertNotNull(new Tmp("str"));
-		assertNotNull(new Tmp("str2", new Exception()));
-		assertNotNull(new Tmp(new Exception()));
-	}
-
-}
diff --git a/converter-CellDesigner/src/test/java/lcsb/mapviewer/converter/model/celldesigner/compartment/CompartmentXmlParserTest.java b/converter-CellDesigner/src/test/java/lcsb/mapviewer/converter/model/celldesigner/compartment/CompartmentXmlParserTest.java
index abda4fa5533377a45132beebcbefb97e50bfc6c6..674077ea546d3fd9033d55a4cb62bc13a9a001c7 100644
--- a/converter-CellDesigner/src/test/java/lcsb/mapviewer/converter/model/celldesigner/compartment/CompartmentXmlParserTest.java
+++ b/converter-CellDesigner/src/test/java/lcsb/mapviewer/converter/model/celldesigner/compartment/CompartmentXmlParserTest.java
@@ -19,7 +19,6 @@ import org.w3c.dom.NodeList;
 import org.xml.sax.InputSource;
 
 import lcsb.mapviewer.common.Pair;
-import lcsb.mapviewer.common.exception.InvalidXmlSchemaException;
 import lcsb.mapviewer.converter.model.celldesigner.CellDesignerElementCollection;
 import lcsb.mapviewer.converter.model.celldesigner.CellDesignerTestFunctions;
 import lcsb.mapviewer.converter.model.celldesigner.species.ProteinXmlParserTest;
@@ -27,122 +26,122 @@ import lcsb.mapviewer.converter.model.celldesigner.structure.CellDesignerCompart
 import lcsb.mapviewer.model.map.compartment.Compartment;
 
 public class CompartmentXmlParserTest extends CellDesignerTestFunctions {
-	protected Logger							logger					= Logger.getLogger(ProteinXmlParserTest.class.getName());
-
-	CompartmentXmlParser					compartmentParser;
-	CellDesignerElementCollection	elements;
-	String												testProteinFile	= "testFiles/xmlNodeTestExamples/compartment.xml";
-
-	@Before
-	public void setUp() throws Exception {
-		elements = new CellDesignerElementCollection();
-		compartmentParser = new CompartmentXmlParser(elements);
-	}
-
-	@After
-	public void tearDown() throws Exception {
-	}
-
-	@Test
-	public void testParseXmlCompartment() {
-		try {
-			String xmlString = readFile(testProteinFile);
-
-			Pair<String, CellDesignerCompartment> result = compartmentParser.parseXmlElement(xmlString);
-			CellDesignerCompartment compartment = result.getRight();
-			assertNotNull(compartment);
-			assertEquals("c1", compartment.getElementId());
-			assertEquals(1, compartment.getMiriamData().size());
-			assertEquals("c1", compartment.getName());
-
-		} catch (Exception e) {
-			e.printStackTrace();
-			fail("Unexpected exception occured");
-		}
-	}
-
-	@Test
-	public void testToXml() throws Exception {
-		try {
-			String xmlString = readFile(testProteinFile);
-
-			Pair<String, CellDesignerCompartment> result = compartmentParser.parseXmlElement(xmlString);
-			CellDesignerCompartment compartment = result.getRight();
-			Compartment alias = compartment.createModelElement("id");
-			String transformedXml = compartmentParser.toXml(alias);
-			assertNotNull(transformedXml);
-			DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
-			DocumentBuilder builder = factory.newDocumentBuilder();
-			InputSource is = new InputSource(new StringReader(transformedXml));
-			Document doc = builder.parse(is);
-			NodeList root = doc.getChildNodes();
-			assertEquals("compartment", root.item(0).getNodeName());
-
-			Pair<String, CellDesignerCompartment> result2 = compartmentParser.parseXmlElement(compartmentParser.toXml(alias));
-			CellDesignerCompartment compartment2 = result2.getRight();
-			assertEquals(alias.getMiriamData().size(), compartment2.getMiriamData().size());
-			assertEquals(alias.getName(), compartment2.getName());
-		} catch (Exception e) {
-			e.printStackTrace();
-			throw e;
-		}
-	}
-
-	@Test
-	public void testParseInvalidCompartment() throws Exception {
-		try {
-			compartmentParser.parseXmlElement(readFile("testFiles/invalid/compartment.xml"));
-			fail("Exception expected");
-
-		} catch (InvalidXmlSchemaException e) {
-			assertTrue(e.getMessage().contains("Unknown element of Compartment"));
-		} catch (Exception e) {
-			e.printStackTrace();
-			throw e;
-		}
-	}
-
-	@Test
-	public void testParseInvalidCompartment2() throws Exception {
-		try {
-			compartmentParser.parseXmlElement(readFile("testFiles/invalid/compartment2.xml"));
-			fail("Exception expected");
-
-		} catch (InvalidXmlSchemaException e) {
-			assertTrue(e.getMessage().contains("Unknown element of Compartment/annotation"));
-		} catch (Exception e) {
-			e.printStackTrace();
-			throw e;
-		}
-	}
-
-	@Test
-	public void testParseInvalidCompartment3() throws Exception {
-		try {
-			compartmentParser.parseXmlElement(readFile("testFiles/invalid/compartment3.xml"));
-			fail("Exception expected");
-
-		} catch (InvalidXmlSchemaException e) {
-			assertTrue(e.getMessage().contains("Unknown element of Compartment/annotation/extension"));
-		} catch (Exception e) {
-			e.printStackTrace();
-			throw e;
-		}
-	}
-
-	@Test
-	public void testToXmlWithParent() throws Exception {
-		try {
-			Compartment child = new Compartment("c_1");
-			Compartment parent = new Compartment("p_1");
-			child.setCompartment(parent);
-
-			String xml = compartmentParser.toXml(child);
-			assertTrue(xml.contains(parent.getElementId()));
-		} catch (Exception e) {
-			e.printStackTrace();
-			throw e;
-		}
-	}
+  protected Logger logger = Logger.getLogger(ProteinXmlParserTest.class.getName());
+
+  CompartmentXmlParser compartmentParser;
+  CellDesignerElementCollection elements;
+  String testProteinFile = "testFiles/xmlNodeTestExamples/compartment.xml";
+
+  @Before
+  public void setUp() throws Exception {
+    elements = new CellDesignerElementCollection();
+    compartmentParser = new CompartmentXmlParser(elements);
+  }
+
+  @After
+  public void tearDown() throws Exception {
+  }
+
+  @Test
+  public void testParseXmlCompartment() {
+    try {
+      String xmlString = readFile(testProteinFile);
+
+      Pair<String, CellDesignerCompartment> result = compartmentParser.parseXmlElement(xmlString);
+      CellDesignerCompartment compartment = result.getRight();
+      assertNotNull(compartment);
+      assertEquals("c1", compartment.getElementId());
+      assertEquals(1, compartment.getMiriamData().size());
+      assertEquals("c1", compartment.getName());
+
+    } catch (Exception e) {
+      e.printStackTrace();
+      fail("Unexpected exception occured");
+    }
+  }
+
+  @Test
+  public void testToXml() throws Exception {
+    try {
+      String xmlString = readFile(testProteinFile);
+
+      Pair<String, CellDesignerCompartment> result = compartmentParser.parseXmlElement(xmlString);
+      CellDesignerCompartment compartment = result.getRight();
+      Compartment alias = compartment.createModelElement("id");
+      String transformedXml = compartmentParser.toXml(alias);
+      assertNotNull(transformedXml);
+      DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+      DocumentBuilder builder = factory.newDocumentBuilder();
+      InputSource is = new InputSource(new StringReader(transformedXml));
+      Document doc = builder.parse(is);
+      NodeList root = doc.getChildNodes();
+      assertEquals("compartment", root.item(0).getNodeName());
+
+      Pair<String, CellDesignerCompartment> result2 = compartmentParser.parseXmlElement(compartmentParser.toXml(alias));
+      CellDesignerCompartment compartment2 = result2.getRight();
+      assertEquals(alias.getMiriamData().size(), compartment2.getMiriamData().size());
+      assertEquals(alias.getName(), compartment2.getName());
+    } catch (Exception e) {
+      e.printStackTrace();
+      throw e;
+    }
+  }
+
+  @Test
+  public void testParseInvalidCompartment() throws Exception {
+    try {
+      compartmentParser.parseXmlElement(readFile("testFiles/invalid/compartment.xml"));
+      fail("Exception expected");
+
+    } catch (CompartmentParserException e) {
+      assertTrue(e.getMessage().contains("Unknown element of Compartment"));
+    } catch (Exception e) {
+      e.printStackTrace();
+      throw e;
+    }
+  }
+
+  @Test
+  public void testParseInvalidCompartment2() throws Exception {
+    try {
+      compartmentParser.parseXmlElement(readFile("testFiles/invalid/compartment2.xml"));
+      fail("Exception expected");
+
+    } catch (CompartmentParserException e) {
+      assertTrue(e.getMessage().contains("Unknown xml tag of compartment"));
+    } catch (Exception e) {
+      e.printStackTrace();
+      throw e;
+    }
+  }
+
+  @Test
+  public void testParseInvalidCompartment3() throws Exception {
+    try {
+      compartmentParser.parseXmlElement(readFile("testFiles/invalid/compartment3.xml"));
+      fail("Exception expected");
+
+    } catch (CompartmentParserException e) {
+      assertTrue(e.getMessage().contains("Unknown element of Compartment/annotation/extension"));
+    } catch (Exception e) {
+      e.printStackTrace();
+      throw e;
+    }
+  }
+
+  @Test
+  public void testToXmlWithParent() throws Exception {
+    try {
+      Compartment child = new Compartment("c_1");
+      Compartment parent = new Compartment("p_1");
+      child.setCompartment(parent);
+
+      String xml = compartmentParser.toXml(child);
+      assertTrue(xml.contains(parent.getElementId()));
+    } catch (Exception e) {
+      e.printStackTrace();
+      throw e;
+    }
+  }
 
 }
diff --git a/converter/src/main/java/lcsb/mapviewer/converter/InvalidInputDataExecption.java b/converter/src/main/java/lcsb/mapviewer/converter/InvalidInputDataExecption.java
index ebc92805a166ffd772c6113a65f84b3aaeafa4f4..beb5e030263771059539640016e412157d12235a 100644
--- a/converter/src/main/java/lcsb/mapviewer/converter/InvalidInputDataExecption.java
+++ b/converter/src/main/java/lcsb/mapviewer/converter/InvalidInputDataExecption.java
@@ -8,61 +8,61 @@ package lcsb.mapviewer.converter;
  */
 public class InvalidInputDataExecption extends Exception {
 
-	/**
-	 * 
-	 */
-	private static final long	serialVersionUID	= 1L;
+  /**
+   * 
+   */
+  private static final long serialVersionUID = 1L;
 
-	/**
-	 * Default constructor with exception message.
-	 * 
-	 * @param message
-	 *          error message
-	 */
-	public InvalidInputDataExecption(String message) {
-		super(message);
-	}
+  /**
+   * Default constructor with exception message.
+   * 
+   * @param message
+   *          error message
+   */
+  public InvalidInputDataExecption(String message) {
+    super(message);
+  }
 
-	/**
-	 * Default constructor with super exception as a source.
-	 * 
-	 * @param e
-	 *          super exception
-	 */
-	public InvalidInputDataExecption(Exception e) {
-		super(e);
-	}
+  /**
+   * Default constructor with super exception as a source.
+   * 
+   * @param e
+   *          super exception
+   */
+  public InvalidInputDataExecption(Exception e) {
+    super(e);
+  }
 
-	/**
-	 * Default constructor - initializes instance variable to unknown.
-	 */
+  /**
+   * Default constructor - initializes instance variable to unknown.
+   */
 
-	public InvalidInputDataExecption() {
-		super(); // call superclass constructor
-	}
+  public InvalidInputDataExecption() {
+    super(); // call superclass constructor
+  }
 
-	/**
-	 * Default constructor.
-	 * 
-	 * @param message
-	 *          exception message
-	 * @param e
-	 *          super exception
-	 */
-	public InvalidInputDataExecption(String message, Exception e) {
-		super(message, e);
-	}
+  /**
+   * Default constructor.
+   * 
+   * @param message
+   *          exception message
+   * @param e
+   *          super exception
+   */
+  public InvalidInputDataExecption(String message, Exception e) {
+    super(message, e);
+  }
 
-	/**
-	 * Default constructor with exception message.
-	 * 
-	 * @param message
-	 *          error message
-	 * @param filename
-	 *          name of the file where data is invalid
-	 */
-	public InvalidInputDataExecption(String message, String filename) {
-		super("[File \"" + filename + "\"]: " + message.trim());
-	}
+  /**
+   * Default constructor with exception message.
+   * 
+   * @param message
+   *          error message
+   * @param filename
+   *          name of the file where data is invalid
+   */
+  public InvalidInputDataExecption(String message, String filename) {
+    super("[File \"" + filename + "\"]: " + message.trim());
+  }
 
 }