Bug 175776 [smoke]Can not export data in Web viewer[02]
Description: No data is exported after export data from Web viewer Build number: 2.2.0.v20070228-0630 Steps to reproduce: 1, Drag a dataset into layout 2, Preview the report in Web Viewer 3, Click Export Data 4, Select the columns and click OK button 5, Open the exportdata.csv Expected result: The data of column are exported in the csv file Actual result: <html><head><title>Error</title><body><font color="red">java.lang.NullPointerException</font></body></html> in the csv file Error log:
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
private Map parametersAsString = null;
	/**
	 * Report parameter definitions List
	 */
	private Collection parameterDefList = null;
	/**
	 * Display Text of Select Parameters
	 */
	private Map displayTexts = null;
	/**
	 * Module Options
	 */
	private Map moduleOptions = null;
	/**
	 * If document generated completely
	 */
	private boolean isDocumentProcessing = false;
	/**
	 * Request Type
	 */
	private String requestType;
	/**
	 * Default parameter values map
	 */
	private Map defaultValues;
	/**
	 * Locale parameter list
	 */
	private List locParams;
	/**