You can download the war/ear file using JBoss CLI.
1.
[user@user bin]$ cd /opt/$EAP_HOME/bin/
2.
[user@user bin]$ ./jboss-cli.sh -c
[standalone@localhost:9990 /]
3.
[standalone@localhost:9990 /] ls deployment
test.war
4.
[standalone@localhost:9990 /] attachment save --operation=/deployment=test.war:read-content() --file=/home/user/test.war
File saved to /home/user/test.war
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