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From "John Storta Jr. (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-4500) CLASSPATH scripts should not exit on error
Date Fri, 01 Jan 2010 14:47:54 GMT

     [ https://issues.apache.org/jira/browse/DERBY-4500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

John Storta Jr. updated DERBY-4500:
-----------------------------------

    Issue & fix info: [Known fix]

The simple fix for this would be to change the exit command to a return command.  This will
return the script to the user's shell with the indicated return code, but will not exit the
shell itself. 

Here is the relevant code.
if [ -z "$DERBY_HOME" ] ; then
  echo "Error: DERBY_HOME is not set. Please set the DERBY_HOME environment variable"
  echo "to the location of your Derby installation."
  return 1   #This will return a code of '1' to the users shell without exiting the shell
fi


> CLASSPATH scripts should not exit on error
> ------------------------------------------
>
>                 Key: DERBY-4500
>                 URL: https://issues.apache.org/jira/browse/DERBY-4500
>             Project: Derby
>          Issue Type: Bug
>          Components: Demos/Scripts
>    Affects Versions: 10.5.3.0
>         Environment: Unix platforms.
>            Reporter: John Storta Jr.
>            Priority: Minor
>
> This applies to the following
> setEmbeddedCP
> setNetworkServerCP
> setNetworkClientCP
> Bug DERBY-4283 references this issue, but only with regard to the setEmbeddedCP script.
 That bug also indicates the issue was resolved in 10.5.2, but I am looking at 10.5.3 and
I still see the exit command in the script.
> The proper way to use these CLASSPATH scripts is to source them rather than run them.
> . $DERBY_HOME/bin/setNetworkServerCP
> Doing so will run the script in the current shell.  If the scripts issue an exit upon
encountering an error, then the users shell will exit as well.
> This is the relevant section of the scripts
> if [ -z "$DERBY_HOME" ] ; then
>   echo "Error: DERBY_HOME is not set. Please set the DERBY_HOME environment variable"
>   echo "to the location of your Derby installation."
>   exit 1   #<<<<This will exit the users shell if the script is sourced
> fi
> The scripts should generate a message if DERBY_HOME is not set, but should not issue
an exit command.

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