-have JBossAS6-M3 with ws stack changed to JBossWS-metro-3.3.1GA
-create a bottom-up ws in dynamic web project

=> after finishing a wizard error dialog says:
error: Could not find class file for s.S1 error
Error: Could not generate. (use --show-traces to see full traces)
Error: Wsgen invocation failed. Try the '-verbose' switch for more information

after adding "--show-traces" to the command in Java2WSCommand the error message is less cryptic:

error: Could not find class file for s.S

1 error

Error: Could not generate. (use --show-traces to see full traces)
java.lang.RuntimeException: Wsgen invocation failed. Try the '-verbose' switch for more information
at org.jboss.wsf.stack.metro.tools.MetroProviderImpl.provide(MetroProviderImpl.java:195)
at org.jboss.wsf.stack.metro.tools.MetroProviderImpl.provide(MetroProviderImpl.java:98)
at org.jboss.wsf.spi.tools.cmd.WSProvide.generate(WSProvide.java:191)
at org.jboss.wsf.spi.tools.cmd.WSProvide.main(WSProvide.java:79)