problem with reverse shell

[eyes-of-ice]

Make sure an listener is started: ncat -lvnp 442
[] Reverse shell payload executing now.
[] Starting malicous JNDI Server
[*] Firing payload!

[*] Check for a callback
what am i doing wrong?

[puzzlepeaches]

Not enough information to troubleshoot. Please verify the host is vulnerable using the blog article prior to attempting exploitation.

[eyes-of-ice]

Not enough information to troubleshoot. Please verify the host is vulnerable using the blog article prior to attempting exploitation.

host is vulnrable but reverse shell doesnt work poc says its done and should look for a callback but there is none
also tried backdoor it gives "Missing route token in request"