Bug 200755 [smoke]Fail to preview Crosstab after deploy BIRT in application servers.[0601][1102]
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataRequestSessionImpl.java
boolean useCache ) throws BirtException
	{
		return getDataSetMetaData( this.sessionContext.getModuleHandle( )
				.findDataSet( dataSetName ), useCache );
	}
	/*
	 * @see org.eclipse.birt.report.data.adaptor.api.DataRequestSession#getDataSetMetaData(org.eclipse.birt.report.model.api.DataSetHandle,
	 *      boolean)
	 */
	public IResultMetaData getDataSetMetaData( DataSetHandle dataSetHandle,
			boolean useCache ) throws BirtException
	{
		return new DataSetMetaDataHelper( this.dataEngine,
				this.modelAdaptor,
				this.sessionContext ).getDataSetMetaData( dataSetHandle,
				useCache );
	}
	/*
	 * @see org.eclipse.birt.report.data.adapter.api.DataRequestSession#getColumnValueSet(org.eclipse.birt.report.model.api.DataSetHandle,
	 *      java.util.Iterator, java.util.Iterator, java.lang.String)
	 */
	public Collection getColumnValueSet( DataSetHandle dataSet,
			Iterator inputParamBindings, Iterator columnBindings,
			String boundColumnName ) throws BirtException
	{
		return getColumnValueSet( dataSet,
				inputParamBindings,
				columnBindings,
				boundColumnName,
				null );