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https://issues.apache.org/jira/browse/DIRKRB-645?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lin Zeng updated DIRKRB-645:
----------------------------
    Description: 
Now user can start KerbyKdcServer successfully if kdc_port already in use, and 
without any error information printed in the console. Then when user run kadmin 
tool, it will hang there and get the following error after time out:

{quote}
Debug is  true storeKey true useTicketCache false useKeyTab true doNotPrompt 
true ticketCache is null isInitiator true KeyTab is 
/home/lonnie/文档/IdeaProjects/directory-kerby/kerby-dist/kdc-dist/conf/admin.keytab
 refreKrb5Config is true principal is kadmin/example....@example.com 
tryFirstPass is false useFirstPass is false storePass is false clearPass is 
false
Refreshing Kerberos configuration
                [Krb5LoginModule] authentication failed 
Receive timed out
Could not login with: kadmin/EXAMPLE.COM@EXAMPLE.COMReceive timed out
{quote}

I think start KerbyKdcServer should be failed if kdc_port already in use.


  was:
Now user can start KerbyKdcServer successfully if kdc_port already in use, and 
without any error information printed in the console. Then when user run kadmin 
tool, it will hang there and get the following error after time out:

bq. Debug is  true storeKey true useTicketCache false useKeyTab true 
doNotPrompt true ticketCache is null isInitiator true KeyTab is 
/home/lonnie/文档/IdeaProjects/directory-kerby/kerby-dist/kdc-dist/conf/admin.keytab
 refreKrb5Config is true principal is kadmin/example....@example.com 
tryFirstPass is false useFirstPass is false storePass is false clearPass is 
false
Refreshing Kerberos configuration
                [Krb5LoginModule] authentication failed 
Receive timed out
Could not login with: kadmin/EXAMPLE.COM@EXAMPLE.COMReceive timed out

I think start KerbyKdcServer should be failed if kdc_port already in use.



> Start KerbyKdcServer should be failed if kdc_port already in use
> ----------------------------------------------------------------
>
>                 Key: DIRKRB-645
>                 URL: https://issues.apache.org/jira/browse/DIRKRB-645
>             Project: Directory Kerberos
>          Issue Type: Bug
>            Reporter: Lin Zeng
>            Assignee: Lin Zeng
>
> Now user can start KerbyKdcServer successfully if kdc_port already in use, 
> and without any error information printed in the console. Then when user run 
> kadmin tool, it will hang there and get the following error after time out:
> {quote}
> Debug is  true storeKey true useTicketCache false useKeyTab true doNotPrompt 
> true ticketCache is null isInitiator true KeyTab is 
> /home/lonnie/文档/IdeaProjects/directory-kerby/kerby-dist/kdc-dist/conf/admin.keytab
>  refreKrb5Config is true principal is kadmin/example....@example.com 
> tryFirstPass is false useFirstPass is false storePass is false clearPass is 
> false
> Refreshing Kerberos configuration
>                 [Krb5LoginModule] authentication failed 
> Receive timed out
> Could not login with: kadmin/EXAMPLE.COM@EXAMPLE.COMReceive timed out
> {quote}
> I think start KerbyKdcServer should be failed if kdc_port already in use.



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