God, this is strange -- ANY IDEA???\

As a side note, I attempted to debug the issue using strace by tracing the connect system call with the command:
$ strace -e connect python ./t1.py
connect(3, {sa_family=AF_INET, sin_port=htons(8008), sin_addr=inet_addr("XXX.XXX.XXX.XXX")}, 16) = -1 EINPROGRESS (Operation now in progress)
connect(3, {sa_family=AF_INET, sin_port=htons(8015), sin_addr=inet_addr("XXX.XXX.XXX.XXX")}, 16) = -1 EINPROGRESS (Operation now in progress)

The output showed that the program first tried to connect to po...

@<1523701070390366208:profile|CostlyOstrich36>

After digging deeper into the starce log, I found the following:
Due to some unknown reason, the clearml server has directed me to port 8015 (and this is only happening on one network, I have tested two different computers on this network, both behave the same). Outside the network, everything works correctly.

connect(3, {sa_family=AF_INET, sin_port=htons(8008), sin_addr=inet_addr(…..
poll([{fd=3, events=POLLOUT|POLLERR}], 1, 3000) = 1 ([{fd=3, revents=POLLOUT}])
getsockopt(3, SOL_SO...

copy and paste from the APP CREADENTIAL

Hi, thanks of the reply

when I remove pipe.set_default_execution_queue('default') i get

ValueError: Node 'step_one_sp' missing execution queue, no default queue defined and no specific node queue defined

@<1537605940121964544:profile|EnthusiasticShrimp49> I don't have start_locally

AttributeError: 'PipelineController' object has no attribute 'run_locally'

Yes there is a firewall , but it open on this port (8008). the clearml suddenly attempted to connect to port 8015...