Bug 138562 Splite extendsexcpetion to seperate sub class
The suggestion is Parent invalid Cycle extends Different type extends Not top level extends
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/i18n/MessageConstants.java
public static final String DESIGN_PARSER_EXCEPTION_DUPLICATE_ELEMENT_ID = "Error.DesignParserException.DUPLICATE_ELEMENT_ID"; 
	public static final String DESIGN_PARSER_EXCEPTION_INCONSISTENT_TEMPLATE_ELEMENT_TYPE = "Error.DesignParserException.INCONSISTENT_TEMPLATE_ELEMENT_TYPE"; 
	public static final String DESIGN_PARSER_EXCEPTION_MISSING_TEMPLATE_PARAMETER_DEFAULT = "Error.DesignParserException.MISSING_TEMPLATE_PARAMETER_DEFAULT"; 
	public static final String DESIGN_PARSER_EXCEPTION_WRONG_SIMPLE_LIST_TYPE = "Error.DesignParserException.WRONG_SIMPLE_LIST_TYPE"; 
	
	
	public static final String DESIGN_FILE_EXCEPTION_SYNTAX_ERROR = "Error.DesignFileException.SYNTAX_ERROR"; 
	public static final String DESIGN_FILE_EXCEPTION_SEMANTIC_ERROR = "Error.DesignFileException.SEMANTIC_ERROR"; 
	public static final String DESIGN_FILE_EXCEPTION_INVALID_XML = "Error.DesignFileException.INVALID_XML"; 
	public static final String DESIGN_FILE_EXCEPTION_SEMANTIC_WARNING = "Error.DesignFileException.SEMANTIC_WARNING"; 
	
	public static final String XML_PARSER_EXCEPTION_UNKNOWN_TAG = "Error.XMLParserException.UNKNOWN_TAG"; 
	public static final String XML_PARSER_EXCEPTION_SAX_ERROR = "Error.XMLParserException.SAX_ERROR"; 
	public static final String XML_PARSER_EXCEPTION_INVALID_BOOLEAN = "Error.XMLParserException.INVALID_BOOLEAN"; 
	public static final String XML_PARSER_EXCEPTION_WARNINGS_FOUND = "Error.XMLParserException.WARNINGS_FOUND"; 
	public static final String XML_PARSER_EXCEPTION_EXCEPTION = "Error.XMLParserException.EXCEPTION"; 
	public static final String XML_PARSER_EXCEPTION_INVALID_INTEGER = "Error.XMLParserException.INVALID_INTEGER"; 
	
	public static final String USER_PROPERTY_EXCEPTION_NAME_REQUIRED = "Error.UserPropertyException.NAME_REQUIRED"; 
	public static final String USER_PROPERTY_EXCEPTION_DUPLICATE_NAME = "Error.UserPropertyException.DUPLICATE_NAME"; 
	public static final String USER_PROPERTY_EXCEPTION_INVALID_TYPE = "Error.UserPropertyException.INVALID_TYPE"; 
	public static final String USER_PROPERTY_EXCEPTION_MISSING_CHOICES = "Error.UserPropertyException.MISSING_CHOICES"; 
	public static final String USER_PROPERTY_EXCEPTION_INVALID_DISPLAY_ID = "Error.UserPropertyException.INVALID_DISPLAY_ID"; 
	public static final String USER_PROPERTY_EXCEPTION_NOT_FOUND = "Error.UserPropertyException.NOT_FOUND"; 
	public static final String USER_PROPERTY_EXCEPTION_USER_PROP_DISALLOWED = "Error.UserPropertyException.USER_PROP_DISALLOWED"; 
	public static final String USER_PROPERTY_EXCEPTION_CHOICE_VALUE_REQUIRED = "Error.UserPropertyException.CHOICE_VALUE_REQUIRED"; 
	public static final String USER_PROPERTY_EXCEPTION_INVALID_CHOICE_VALUE = "Error.UserPropertyException.INVALID_CHOICE_VALUE"; 
	public static final String USER_PROPERTY_EXCEPTION_CHOICE_NAME_REQUIRED = "Error.UserPropertyException.CHOICE_NAME_REQUIRED"; 
	public static final String USER_PROPERTY_EXCEPTION_INVALID_DEFINITION = "Error.UserPropertyException.INVALID_DEFINITION"; 
	public static final String USER_PROPERTY_EXCEPTION_INVALID_DEFAULT_VALUE = "Error.UserPropertyException.INVALID_DEFAULT_VALUE";