Bug 191168 [Regression]Exception occurs when resize masterpage in library
Description: Exception occurs when resize masterpage in library. Build number:2.2.0.v20070606-0630 Regression bug:187443 Steps to reproduce: 1. New a library. 2. Go to Master Page, resize the master page using the ruler. Expected result: 1. Layout works correctly. 2. No exception is thrown out. Error log: An unexpected internal exception occurred.Please see log for detail. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Designer UI Plug-in ID:org.eclipse.birt.report.designer.ui Version:2.2.0.v20070606-0630 Error Code:Error.GUIException.invokedByUnexpectedException Error Message:org.eclipse.birt.report.designer.internal.lib.lalyout.LibraryReportDesignLayout
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
DesignFileException.DESIGN_EXCEPTION_SYNTAX_ERROR ) );
		return list;
	}
	/**
	 * Returns a list containing warnings during parsing the module file.
	 * 
	 * @return a list containing parsing warnings. Each element in the list is
	 *         <code>ErrorDetail</code>.
	 * 
	 * @see ErrorDetail
	 */
	public List getWarningList( )
	{
		List allErrors = getAllErrors( );
		return ErrorDetail.getSemanticErrors( allErrors,
				DesignFileException.DESIGN_EXCEPTION_SEMANTIC_WARNING );
	}
	/**
	 * Performs a semantic check of this element, and all its contained
	 * elements. Records errors in the module context.
	 * <p>
	 * Checks the contents of this element.
	 * 
	 * @param module
	 *            the module information needed for the check, and records any
	 *            errors
	 */
	public final void semanticCheck( Module module )
	{
		allExceptions = validateWithContents( module );