Bug 143890 [Smoke]Chart cann't preview as web view
Details: [Smoke]Chart cann't preview as web view Setp: 1.Add a chart on report design. 2.Preview as web view. Actual result: The chart can't be preview on web view.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
import org.eclipse.birt.report.engine.api.HTMLServerImageHandler;
import org.eclipse.birt.report.engine.api.IDataExtractionTask;
import org.eclipse.birt.report.engine.api.IDataIterator;
import org.eclipse.birt.report.engine.api.IExtractionResults;
import org.eclipse.birt.report.engine.api.IGetParameterDefinitionTask;
import org.eclipse.birt.report.engine.api.IRenderTask;
import org.eclipse.birt.report.engine.api.IReportDocument;
import org.eclipse.birt.report.engine.api.IReportEngine;
import org.eclipse.birt.report.engine.api.IReportEngineFactory;
import org.eclipse.birt.report.engine.api.IReportRunnable;
import org.eclipse.birt.report.engine.api.IResultSetItem;
import org.eclipse.birt.report.engine.api.IRunAndRenderTask;
import org.eclipse.birt.report.engine.api.IRunTask;
import org.eclipse.birt.report.engine.api.IScalarParameterDefn;
import org.eclipse.birt.report.engine.api.InstanceID;
import org.eclipse.birt.report.engine.api.PDFRenderContext;
import org.eclipse.birt.report.engine.api.ReportParameterConverter;
import org.eclipse.birt.report.model.api.DataSetHandle;
import org.eclipse.birt.report.model.api.DataSourceHandle;
import org.eclipse.birt.report.model.api.SessionHandle;
import org.eclipse.birt.report.resource.BirtResources;
import org.eclipse.birt.report.resource.ResourceConstants;
import org.eclipse.birt.report.soapengine.api.Column;
import org.eclipse.birt.report.soapengine.api.ResultSet;
import org.eclipse.birt.report.utility.ParameterAccessor;
public class ReportEngineService
{
	private static ReportEngineService instance;
	/**
	 * Report engine instance.