doom emacs

Thanks!

i think by default it uses a random open port. Have you configured it to use a definite port somehow?

I deleted the .nrepl-port file just in case.

that doesn’t affect anything. That file is created when the port is chosen. It doesn’t direct which port to choose

the standard workflow is “grab an empty port and start the nrepl server there. Then write that port to .nrepl-port so tooling knows which to use”

if you are getting an error that the port is already taken, I think it means somewhere you are specifying which port to use.

I just made a new folder where deps.edn says {:paths ["src"] :deps {}} and src/core.clj says (ns core) (defn hello [] (println "hello world")) and I get:

[nREPL] Starting server via c\:/Windows/System32/WindowsPowerShell/v1.0/powershell.exe -encodedCommand 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
error in process sentinel: nrepl-server-sentinel: Could not start nREPL server: #< CLIXML

ERROR: transport error 202: bind failed: Address already in use
ERROR: JDWP Transport dt_socket failed to initialize, TRANSPORT_INIT(510)
JDWP exit error AGENT_ERROR_TRANSPORT_INIT(197): No transports initialized [s\src\jdk.jdwp.agent\share\native\libjdwp\debugInit.c:734]
<Objs Version="1.1.0.1" xmlns=""><Obj S="progress" RefId="0"><TN RefId="0"><T>System.Management.Automation.PSCustomObject</T><T>System.Object</T></TN><MS><I64 N="SourceId">1</I64><PR N="Record"><AV>Preparing modules for first use.</AV><AI>0</AI><Nil /><PI>-1</PI><PC>-1</PC><T>Completed</T><SR>-1</SR><SD> </SD></PR></MS></Obj><Obj S="progress" RefId="1"><TNRef RefId="0" /><MS><I64 N="SourceId">2</I64><PR N="Record"><AV>Preparing modules for first use.</AV><AI>0</AI><Nil /><PI>-1</PI><PC>-1</PC><T>Completed</T><SR>-1</SR><SD> </SD></PR></MS></Obj><Obj S="progress" RefId="2"><TNRef RefId="0" /><MS><I64 N="SourceId">1</I64><PR N="Record"><AV>Preparing modules for first use.</AV><AI>0</AI><Nil /><PI>-1</PI><PC>-1</PC><T>Completed</T><SR>-1</SR><SD> </SD></PR></MS></Obj><Obj S="progress" RefId="3"><TNRef RefId="0" /><MS><I64 N="SourceId">3</I64><PR N="Record"><AV>Preparing modules for first use.</AV><AI>0</AI><Nil /><PI>-1</PI><PC>-1</PC><T>Completed</T><SR>-1</SR><SD> </SD></PR></MS></Obj></Objs> ("finished")
error in process sentinel: Could not start nREPL server: #< CLIXML

ERROR: transport error 202: bind failed: Address already in use
ERROR: JDWP Transport dt_socket failed to initialize, TRANSPORT_INIT(510)
JDWP exit error AGENT_ERROR_TRANSPORT_INIT(197): No transports initialized [s\src\jdk.jdwp.agent\share\native\libjdwp\debugInit.c:734]
<Objs Version="1.1.0.1" xmlns=""><Obj S="progress" RefId="0"><TN RefId="0"><T>System.Management.Automation.PSCustomObject</T><T>System.Object</T></TN><MS><I64 N="SourceId">1</I64><PR N="Record"><AV>Preparing modules for first use.</AV><AI>0</AI><Nil /><PI>-1</PI><PC>-1</PC><T>Completed</T><SR>-1</SR><SD> </SD></PR></MS></Obj><Obj S="progress" RefId="1"><TNRef RefId="0" /><MS><I64 N="SourceId">2</I64><PR N="Record"><AV>Preparing modules for first use.</AV><AI>0</AI><Nil /><PI>-1</PI><PC>-1</PC><T>Completed</T><SR>-1</SR><SD> </SD></PR></MS></Obj><Obj S="progress" RefId="2"><TNRef RefId="0" /><MS><I64 N="SourceId">1</I64><PR N="Record"><AV>Preparing modules for first use.</AV><AI>0</AI><Nil /><PI>-1</PI><PC>-1</PC><T>Completed</T><SR>-1</SR><SD> </SD></PR></MS></Obj><Obj S="progress" RefId="3"><TNRef RefId="0" /><MS><I64 N="SourceId">3</I64><PR N="Record"><AV>Preparing modules for first use.</AV><AI>0</AI><Nil /><PI>-1</PI><PC>-1</PC><T>Completed</T><SR>-1</SR><SD> </SD></PR></MS></Obj></Objs> ("finished")

I’m going to just reboot to make the error go away. It does happen somewhat regularly though so I'm interested in next steps for debugging it. I guess I can try debugging cider's elisp...

Have you setup the configuration files by any chance?

https://nrepl.org/nrepl/usage/server.html#server-configuration

there are two files: • in your local directory .nrepl.edn` • and globally at .nrepl/nrepl.edn``

I don't have .nrepl.edn in my project dir nor .nrepl/ in my home dir.

then i do not understand why it cannot find a port. sorry

Ok, thanks.

It's good to know that I haven't messed up the configuration.

When cider tries to find an open port, how does that work? It's like a try/catch?

cider does not

Oh, clojure?

nrepl itself tries. If you pass port 0 it will use a random port and tell you which

i doubt it is a try catch. But not sure what parts are provided by OS and which in the application

What's the difference between passing in 0 and not configuring it?

i don’t believe there is a difference. By not configuring it you get the default which will pass a 0

Ok, thanks.

Oh, so, as a debugging step, I should try configuring a port to see if it will work?

It’s a little difficult because you are on powershell and things have to be base64 encoded. But I would try to get everything running without CIDER and then add it in when you know everything works