Bug 317267 [Automation][Regression]Error is thrown out when preview gantt type chart
chart/org.eclipse.birt.chart.engine.extension/src/org/eclipse/birt/chart/extension/datafeed/GanttDataSetProcessorImpl.java
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package org.eclipse.birt.chart.extension.datafeed;
import java.text.ParseException;
import java.util.Date;
import java.util.Vector;
import org.eclipse.birt.chart.computation.DataSetIterator;
import org.eclipse.birt.chart.datafeed.DataSetAdapter;
import org.eclipse.birt.chart.datafeed.IResultSetDataSet;
import org.eclipse.birt.chart.engine.extension.i18n.Messages;
import org.eclipse.birt.chart.exception.ChartException;
import org.eclipse.birt.chart.model.component.Series;
import org.eclipse.birt.chart.model.data.DataSet;
import org.eclipse.birt.chart.model.data.impl.GanttDataSetImpl;
import org.eclipse.birt.chart.plugin.ChartEngineExtensionPlugin;
import org.eclipse.birt.chart.util.CDateTime;
import com.ibm.icu.text.SimpleDateFormat;
import com.ibm.icu.util.Calendar;
import com.ibm.icu.util.StringTokenizer;
import com.ibm.icu.util.TimeZone;
import com.ibm.icu.util.ULocale;
/**
 * Capable of processing data sets that contain Gantt entry data elements that
 * wrap 3 values - start datetime, end datetime and a row label
 */
public final class GanttDataSetProcessorImpl extends DataSetAdapter
{
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.datafeed.IDataSetProcessor#populate(java.lang.Object,