Bug 159380 [regression]Not find DataEngineContextExt class cause all engine/dte smoke testing fail
Description Not find DataEngineContextExt class cause all engine/dte smoke testing fail Steps to reproduce: Run Engine/DTE smoke testing framework Expected result&#65306; Outputs are correct. Actaul result: All outputs are 0kb with Exception: Error happened while running the report. java.lang.NoClassDefFoundError: org/eclipse/birt/data/engine/impl/DataEngineContextExt at org.eclipse.birt.data.engine.api.DataEngineContext.setTmpdir(DataEngineContext.java:374) at org.eclipse.birt.report.engine.data.dte.DteDataEngine.<init>(DteDataEngine.java:71) at org.eclipse.birt.report.engine.data.DataEngineFactory.createDataEngine(DataEngineFactory.java:94) at org.eclipse.birt.report.engine.executor.ExecutionContext.getDataEngine(ExecutionContext.java:694) at org.eclipse.birt.report.engine.executor.ReportExecutor.execute(ReportExecutor.java:99) at org.eclipse.birt.report.engine.internal.executor.l18n.LocalizedReportExecutor.execute(LocalizedReportExecutor.java:38) at org.eclipse.birt.report.engine.layout.html.HTMLReportLayoutEngine.layout(HTMLReportLayoutEngine.java:68) at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.run(RunAndRenderTask.java:207) at org.eclipse.birt.report.engine.api.ReportRunner.runAndRenderReport(ReportRunner.java:237) at org.eclipse.birt.report.engine.api.ReportRunner.execute(ReportRunner.java:162) at org.eclipse.birt.report.engine.api.ReportRunner.main(ReportRunner.java:118)
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/DataEngineImpl.java
"Unsupported data set type: " + dataSet.getName( ),
						e );
				throw e;
			}
			if ( !dSourceClass.isInstance( dsource.getDesign( ) ) )
			{
				DataException e = new DataException( ResourceConstants.UNSUPPORTED_DATASOURCE_TYPE,
						dsource.getName( ) );
				logger.logp( Level.WARNING,
						DataEngineImpl.class.getName( ),
						"defineDataSet",
						"Unsupported data source type: " + dsource.getName( ),
						e );
				throw e;
			}
		}
		dataSetDesigns.put( name, dataSet );
		logger.exiting( DataEngineImpl.class.getName( ), "defineDataSet" );
	}
	/*
	 * @see org.eclipse.birt.data.engine.api.DataEngine#clearCache(org.eclipse.birt.data.engine.api.IBaseDataSourceDesign,
	 *      org.eclipse.birt.data.engine.api.IBaseDataSetDesign)
	 */
	public void clearCache( IBaseDataSourceDesign dataSource,
			IBaseDataSetDesign dataSet ) throws BirtException
	{
		if ( dataSource == null || dataSet == null )
			return;
		DataSetCacheManager.getInstance( ).clearCache( dataSource, dataSet );
	}