Bug 128380 XML data sets from large files are tearing
When creating XML data sets from large XML file the data are tearing.
data/org.eclipse.birt.report.data.oda.xml/src/org/eclipse/birt/report/data/oda/xml/util/SaxParser.java
this.inputStream.reStart();
		}
		catch ( Exception e )
		{
			throw new RuntimeException(e.getLocalizedMessage());
		}
		finally
		{
			this.alive = false;
			spConsumer.wakeup( );
		}
	}
	/**
	 * This method remove the microsoft utf bom from the input stream, if any.
	 * 
	 * @param is
	 * @return 
	 * @throws IOException
	 */
	private InputStream getInputStream( XMLDataInputStream is ) throws IOException
	{
		byte[] buff = new byte[3];
		is.read( buff );
		
		boolean isUTF8BOM = (buff[0] == -17 && buff[1] == -69 && buff[2]== -65);