JBoss AS Adapter deploys java classes right into web root instead of WEB-INF/classes folder

1. Create Dynamic web Project (Dynamic Web Module - 2.4, Java - 5.0);
2. Create Java class in src folder;
3. Create JBoss AS Adapter for version 4.2.0;
4. Deploy created project on cretaed server through Publish menu;
5. Unpack war file from deploy directory, Test.class file is right in the WEB-ROOT folder instead of WEB-INF/classes