Redirection (<<) do not work in CLI

Description of problem:
Redirection << do not work in CLI

Similar issue with different error messages was reported in EAP 7.0.0.DR8 - JBEAP-670 - (it was also blocker)

Regression against 6.4.0
Regression against 7.0.0.DR7
Regression against 7.0.0.ER3
Bugzilla from 6x

• https://bugzilla.redhat.com/show_bug.cgi?id=961425

Customer cases (EAP 6x):

• https://access.redhat.com/support/cases/#/case/00904577
• https://access.redhat.com/support/cases/#/case/00889193
• https://access.redhat.com/support/cases/#/case/00910827
• https://access.redhat.com/support/cases/#/case/00910848

How reproducible:
Always

Steps to reproduce:

1. cd bin
2. ./standalone.sh &
3. ./jboss-cli.sh -c command=/core-service=management/security-realm=ApplicationRealm/authentication=local:remove
4. ./jboss-cli.sh -c command=/core-service=management/security-realm=ManagementRealm/authentication=local:remove
5. ./jboss-cli.sh -c command=:shutdown
6. ./add-user.sh -u bob -p admin123$ -s
7. ./standalone.sh &

8. ./jboss-cli.sh -c <<EOF
   bob
   admin123$
   batch
   :shutdown
   run-batch
   EOF

Actual results:

The command is not available in the current context (e.g. required subsystems or connection to the controller might be unavailable).

[standalone@localhost:9990 / #] Task org.jboss.aesh.console.Console$5@52102734 rejected from java.util.concurrent.ThreadPoolExecutor@3541cb24[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 1]

Expected results:
":shutdown" command will be executed