puppet-java issue

# site.pp
node 'puppet-test.card.co.uk' {

        # Set-up as a CMS linux server
        class {'act::server::linux::cms':}

}

# Module
puppet]# tree modules/act/
modules/act/
└── manifests
    ├── definitions
    │   ├── groups.pp
    │   └── users.pp
    ├── env.pp
    ├── init.pp
    ├── lug
    ├── lug.pp
    └── products.pp

# modules/act/manifests/init.pp
class act::server::linux {
        # Include the ACT Local User/Group manifest.
        class {'act::lug':}

        # Modify /etc/hosts.
        host {'self':
                ensure       => present,
                name         => $fqdn,
                host_aliases => [$hostname],
                ip           => $ipaddress,
        }

        # Setup MOTD.
        file {'motd':
                ensure  => file,
                path    => '/etc/motd',
                mode    => 0644,
                content => "Welcome to ${hostname},\na ${operatingsystem} island in the sea of ${domain}.\n",
        }

        # Install ACT Yum repo RPM
        package { 'act-repos':
                ensure          => latest,
                provider        => 'rpm',
                source          => "http://yum.card.co.uk/act-repo/act-repos-latest.${architecture}.rpm",
        }

        # Create local users and groups.
        realize (
                Act::Lug::Groups["admins","demiadmins"],
                Act::Lug::Users["gavinw"],
                Act::Lug::Users["gavintest"],
        )

        # Configure Sudo setup.
        class { 'sudo': }
        sudo::conf { 'admins':
                priority        => 10,
                content         => "# ACT Admins sudo group.\n%admins   ALL=(ALL)       ALL\n",
        }

        # Configure NTP.
        class { "ntp":
                servers    => [ '192.168.151.254' ],
                autoupdate => false,
        }

}

class act::server::linux::cms inherits act::server::linux {

        # Include CMS config
        file {'cmsscheme':
                ensure  => file,
                path    => '/tmp/cmsscheme',
                mode    => 0644,
                content => "This is a CMS host\n",
        }

        class {'act::env::glassfish3':}

}

# modules/act/manifests/env.pp
class act::env::java {

        # Install Java
        class {'java':
                #distribution   => 'jdk',
                #version                => '1.6.0_31',
        }
}

class act::env::glassfish3 {

        notify {'glassfish3':
                message => "Setting up Glassfish3"}

        # Create required users and groups
        realize (
                Act::Lug::Groups["glassfish"],
        )

        include act::env::java
}

# 'puppet agent --test'
[root@puppet-test ~]# puppet agent --test
notice: Ignoring --listen on onetime run
err: Could not retrieve catalog from remote server: Error 400 on SERVER: Duplicate declaration: Class[Act::Env::Java] is already declared; cannot redeclare at /etc/puppet/modules/act/manifests/env.pp:8 on node puppet-test.card.co.uk
warning: Not using cache on failed catalog
err: Could not retrieve catalog; skipping run