in web.xml [Closed]

I have two projects, in one project myEclipse keep pointing

<listener> <listener-class>

not declared, and flag error while the other project ok.
this two project very similar, and <listener> <listener-class> in web.xml file look the same

Both Deployment ok, execution OK. the only thing not ok is the red error flag

<web-app>
<listener>
<listener-class>com.aeris.context.InitDB</listener-class>
</listener>