Bug 314088 The table row height does not work correctly in PDF
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/nLayout/area/impl/BlockContainerArea.java
height = specifiedHeight;
			}
			this.height = height;
			updateBackgroundImage( );
		}
		else
		{
			if ( specifiedHeight > currentBP )
			{
				height = specifiedHeight;
			}
			else
			{
				height = currentBP;
			}
		}
		update( );
		finished = true;
	}
	protected void update( ) throws BirtException
	{
		if ( context.isFixedLayout( ) && getContentHeight( ) > specifiedHeight
				&& specifiedHeight > 0 )
		{
			setContentHeight( specifiedHeight );
			setNeedClip( true );
		}
		if ( parent != null )
		{
			checkPageBreak( );