Debugging Spark Submit PySpark Follow
This is a copy of request #3248013 that hasn't received any reply from support since April 15, so I decided to look for help here.
I'd like to locally debug PySpark application that I execute using spark submit.
I followed the following documentation:
to successfully launch the application on a remote server.
However, if I set break points and try to debug application, it doesn't stop at break points.
Is it normal? In a sense document says pycharm allows to run spark submit not debug spark submit?
Assuming it was normal (i.e. that one can't use pycharm to debug spark submit job), I followed the following write up:
which suggests to:
1. setup pycharm in debug server mode (IDE host name localhost portX)
2. run it
3. forward localhost:portX to remotehost:portX (as I have only ssh port 22 open on remote and local hosts)
4. remotely spark submit a job (inserting in advance into code pydevd_pycharm.settrace(localhost, portX))
5. debug application.
However, I encounter the following problem once I do 1, 2, 3, 4:
Pycharm running on local host shows:
Starting debug server at port portX
Use the following code to connect to the debugger:
pydevd_pycharm.settrace('localhost', port=8887, stdoutToServer=True, stderrToServer=True)
Waiting for process connection...```
Remote host shows:
```Listening for transport dt_socket at address: 8887```
And there are no active controls to start debugging of the code.
Please help me with learning how to set up pycharm to debug an application being run using spark-submit on a remote host.
I used telnet to make sure that port forwarding is working alright. Also /etc/hosts has mapping localhost to 127.0.0.1
When I was doing step 3 before step 2, I was getting an error: Failed to find free socket port.
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