Bug 200812 Issue when remove one separator setting in viewer.property[0002]
Description: Issue when remove one separator setting in viewer.property Build number:2.2.1.v200708220927 Steps to reproduce: 1. Deploy birt. 2. Open viewer.properties under WEB-INF folder. 3. Delete "viewer.sep.0=," line 4. Start server. 5. Preview report. 6. Export Data, select columns and select "Comma(,)", click OK. Expected result: Comma(,) isn't in the separator list. Actual result: Nothing happened after step6 and no error logs. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
{
		
		if ( !isRelativePath( filePath ) )
			return filePath;
		
		if ( isRelativePath( workingFolder ) )
		{
			filePath = getRealPath( workingFolder + "/" + filePath, request 
					.getSession( ).getServletContext( ) );
		}
		else
		{
			filePath = workingFolder + File.separator + filePath;
		}
		return filePath;
	}
	/**
	 * Create the file path of the the document. The document will be put under
	 * the document folder based on different session id.
	 * 
	 * @param filePath
	 *            the document path cretaed from the report design file.
	 * @param request
	 *            Http request, used to get the session Id.
	 * @return
	 * @throws AxisFault
	 */
	protected static String createDocumentPath( String filePath,
			HttpServletRequest request )
	{