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https://issues.apache.org/jira/browse/IOTDB-2634?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Pai reassigned IOTDB-2634:
-------------------------------

    Assignee: Eric Pai

> Cli exit current cmd.exe instead of the start-cli.bat script file
> -----------------------------------------------------------------
>
>                 Key: IOTDB-2634
>                 URL: https://issues.apache.org/jira/browse/IOTDB-2634
>             Project: Apache IoTDB
>          Issue Type: Bug
>          Components: Client/CLI
>         Environment: Windows OS
>            Reporter: Dongming Zhao
>            Assignee: Eric Pai
>            Priority: Minor
>
> The EXIT command was added to start-cli.bat in IOTDB-2523 to make sure the 
> script exit/return with the correct Exit Code. However, the EXIT *terminates 
> current cmd.exe* instead of just exiting the .bat script file. They are the 
> same while using CLI by double-click on the .bat file, as the activated 
> cmd.exe is temporal and will always be terminated by OS when the script 
> exits. But when we pre-activate a cmd.exe window and call the start-cli.bat 
> by file name/path, the EXIT will close the window and {*}prevent subsequent 
> user commands{*}. (By the way, Windows PowerShell is not affected.) Things 
> are similar when we call the start-cli.bat with CALL clause from another .bat 
> script and no commands after CALL will be executed.
> One of the most affected thing is the register-UDF.bat for UDF-Library, which 
> is using multiple CALL start-cli.bat commands to register all UDF functions. 
> Now the script will exit once after the first CALL is executed, and the 
> following functions will not be registered at all.
> The way to fix this is adding the parameter /B for EXIT command(EXIT /B 
> %ret_code%), which makes the EXIT only affect the current .bat script and 
> return to the caller script or cmd.exe window.



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