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Restart after Server Error#26

JMarstrell started this conversation inGeneral
Jan 29, 2023· 1 comments· 2 replies
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Is there a way to restart the server after an error without closing and restarting my c# application? If not, is there any other way to recover from a ZWaveJS.NET server error?

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Replies: 1 comment 2 replies

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Hi@JMarstrell

I do believe I implemented aDestroy() method on the Driver class.

Using this will bring it down, and you will need to fire up a new instance of this class to start over.
Its advisable to check any zombie processes after this - but i'm pretty sure they are terminated.

I need to bring this package up to the latest API level, so any input is welcome

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@JMarstrell
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The driver does go through the destroy process. Any attempt to destroy it again after fatal error gives an error.

If I try to create another instance of the driver after a fatal error the server doesn’t fully complete its startup. Not sure if the port 50001 is being released or not. I have been trying to find a way to check.

Thinking about it, the server my be running from a previous crash and an attempt to start the driver again works momentarily and then causes the fatal error. Is there a way to check and stop it or reconnect?

@marcus-j-davies
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Could you provide me a stack trace of a fatal error?

A fatal error should only occur during driver start up.

process.stderr.write("1\n");

These are handled later here, where a fatal error event is emitted for the frontend app to restart everything (but not before callingDestroy)

TheTerminate method (in theDestroy block) actually sends a message to the runtime, to destroy its own self

if(Data.toString().trim()==="KILL"){

You could go for broke and kill the image

Process.GetProcessesByName("Server.psi").kill()

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