Bug 141255 No error for the incompatible parameter value
Steps to reproduce: 1.New a decimal parameter, set the default value to "aaa" 2.Preview the report by "Preview" tab Expected result: Error to say the incompatible parameter value Actual result: Parameter request page keeps poping up till input the decimal value Note: if preview in Web Viewer, error will be thrown out, but no exception description.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
handle.close( );
			}
		}
		catch ( Exception e )
		{
			try
			{
				if ( handle != null )
					handle.close( );
			}
			catch ( Exception err )
			{
			}
		}
	}
	/**
	 * if parameter existed in config file, return the correct parameter name
	 * 
	 * @param configVarName
	 * @return String
	 */
	private String getParameterName( String configVarName )
	{
		String paramName = null;
		List parameters = null;
		
		IReportRunnable runnable = (IReportRunnable) reportDesignHandle
				.getDesignObject( );
		ModuleHandle model = runnable.getDesignHandle( ).getModuleHandle( );
		if ( model != null )