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
}
		catch ( NumberFormatException e )
		{
			maxRows = -1;
		}
		
		
		String s_maxLevels = context
				.getInitParameter( INIT_PARAM_VIEWER_MAXCUBELEVELS );
		try
		{
			maxCubeLevels = Integer.valueOf( s_maxLevels ).intValue( );
		}
		catch ( NumberFormatException e )
		{
			maxCubeLevels = -1;
		}
		
		String s_cubeMemSize = context
				.getInitParameter( INIT_PARAM_VIEWER_CUBEMEMSIZE );
		try
		{
			cubeMemorySize = Integer.valueOf( s_cubeMemSize ).intValue( );
		}
		catch ( NumberFormatException e )
		{
			cubeMemorySize = 0;
		}
		
		birtResourceFolder = processRealPath( context, context