Adding a user with add-user.sh with no console output

[lostvicking]

HI all,

I have an issue where I want to add an application user as part of a RPM install (preinstall/postinstall script), I've tried:

./add-user -a queueUser1 password

./add-user -a queueUser1 password --silent

The first gives me the following Java exception:

No java.io.Console available to interact with user

The second does not return at all. It is my understanding that there is no console for add-user.sh to output to as this is run as part of an RPM install. The RPM is the way we decided to deploy a .war file to Wildfly. Any help would be much appreciated.

Thanks

Victor

[lostvicking]

The way I'm solving this in the interim is by way of a bash script that calls add-user.sh, however, this is less than ideal as I would like to have the RPM post-install script take care of that for me. Whereas now someone has to physically run the script after the RPM installs.

[dlofthouse]

What do you mean by does not return at all?  Are you saying it hangs?

[lostvicking]

Yes, it hangs.

[dlofthouse]

The simple workaround could be for you to just manually add the String for the user directly to the properties file, having a previously defined user and password is generally but but it sounds like you are doing that anyway.

Alternatively it would require some further analysis of the hang, this is not something I have seen before.  I would suggest providing as much information as you can, you need to check where the hang is happening - if add-user is hanging is it's Java process running, if it is will it be possible to capture a thread dump if you execute 'kill -3 ' for that process.  Alternatively how does you post install script determine the status of the command, could that be waiting for some output that will not happen due to it being executed in silent mode?