Thanks for the hint !
Executing glassfish.jar directly gave me this
[i][..]
root_at_ubuntu:~# java -jar glassfishv3/glassfish/modules/glassfish.jar
Dec 8, 2009 6:01:37 AM com.sun.enterprise.glassfish.bootstrap.ASMain main
INFO: Launching GlassFish on Felix platform
Welcome to Felix
================
Dec 8, 2009 6:01:48 AM com.sun.enterprise.v3.server.SystemTasks setSystemPropertiesFromEnv
SEVERE: cannot determine host name, will use localhost exclusively
java.net.UnknownHostException: ubuntu: ubuntu
at java.net.InetAddress.getLocalHost(InetAddress.java:1353)
at com.sun.enterprise.util.net.NetUtils.getCanonicalHostName(NetUtils.java:103)
at com.sun.enterprise.v3.server.SystemTasks.setSystemPropertiesFromEnv(SystemTasks.java:152)
[..][/i]
Root cause: [b]There is NO etc/hosts file on the server[/b].
Creating one solves the problem.
[i]127.0.0.1 localhost
127.0.1.1 servername[/i]
(Remark: Simple reason though)
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