Connection refused for one of the tunnels

[JannisNe]

Describe the bug
When trying to open the tunnels to AMPEL one of them refuses connection

(base) jannisnecker@s93dyn148:~$ ssh -L27018:localhost:27018 ztf-wgs.zeuthen.desy.de
Warning: No xauth data; using fake authentication data for X11 forwarding.
Last login: Wed May 12 11:42:01 2021 from pub2.zeuthen.desy.de
Scientific Linux release 7.8 (Nitrogen)

Info: https://dvinfo.zeuthen.desy.de/SL7_User_Information

Please report any bugs or problems to [email protected]

[wgs33] ~ % channel 3: open failed: connect failed: Connection refused

Expected behavior
All works.

Additional context
This leads i believe to the error i get when trying to run Neutrino_GCN_parser.ipynb:

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-4-02deb5acdaa8> in <module>
----> 1 nu = NeutrinoScanner("IC200916A", logger=logger)

~/Software/ampel_followup/ampel_followup_pipeline/neutrino_scanner.py in __init__(self, nu_name, manual_args, gcn_no, logger, cone_nside, t_precursor)
     93 
     94         self.output_path = f"{nu_candidate_output_dir}/{nu_name}.pdf"
---> 95         AmpelWizard.__init__(self, t_min=nu_time, run_config=nu_run_config, logger=logger, cone_nside=cone_nside)
     96         self.default_t_max = Time.now()
     97         self.prob_threshold = 0.9

~/Software/ampel_followup/ampel_followup_pipeline/ampel_magic.py in __init__(self, run_config, t_min, logger, resource, filter_class, cone_nside, fast_query, cones_to_scan)
    110             self.ampel_filter_class = filter_class(logger=logger, resource=resource, **run_config)
    111 
--> 112             self.catshtm = catshtm_server.get_client(resource['catsHTM'])
    113 
    114             self.dap = DevAlertProcessor(self.ampel_filter_class)

~/opt/envs/ampel_followup/lib/python3.8/site-packages/ampel/contrib/hu/catshtm_server.py in get_client(address)
     32         return catsHTMFacade(catalogs=address)
     33     else:
---> 34         raise ValueError(f"{address} is not a directory")
     35 

ValueError: tcp://127.0.0.1:27020 is not a directory

[JannisNe]

That did it, thanks!

[robertdstein]

Needs to be properly fixed

[robertdstein]

Linked to #1 for ultimate solution