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Date: Tue, 1 May 2007 23:55:15 -0700 (PDT)
From: "John H. Embretsen (JIRA)" <jira@apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Commented: (DERBY-2501) Batch scripts in bin\ report
 extraneous errors when DERBY_HOME is invalid
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    [ https://issues.apache.org/jira/browse/DERBY-2501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12493019 ] 

John H. Embretsen commented on DERBY-2501:
------------------------------------------

I have verified that the latest patch, derby-2501-check-javacmd.diff, will remove all unnecessary error messages mentioned in this Jira issue. I also verified that the default Java path can be overridden by setting JAVA_HOME. Tested on Win XP Pro, using JDK 1.4.2_12 and Java SE 6 (1.6.0) (default).

I think this patch is ready for commit.


> Batch scripts in bin\ report extraneous errors when DERBY_HOME is invalid
> -------------------------------------------------------------------------
>
>                 Key: DERBY-2501
>                 URL: https://issues.apache.org/jira/browse/DERBY-2501
>             Project: Derby
>          Issue Type: Bug
>          Components: Demos/Scripts
>    Affects Versions: 10.2.1.6, 10.2.2.0
>         Environment: Windows
>            Reporter: John H. Embretsen
>         Assigned To: John H. Embretsen
>            Priority: Trivial
>             Fix For: 10.3.0.0
>
>         Attachments: d2501_v1.diff, d2501_v2.diff, derby-2501-check-javacmd.diff
>
>
> If DERBY_HOME is set to an invalid location (for example a directory that does not contain lib\derby.jar), most .bat scripts in the bin directory (the ones that call derby_common.bat) report three distinct error messages, of which only one is of value to the user. 
> Reproduction:
> C:\Derby_10\db-derby-10.2.2.0-bin>set DERBY_HOME=c:\temp
> C:\Derby_10\db-derby-10.2.2.0-bin>echo %DERBY_HOME%
> c:\temp
> C:\Derby_10\db-derby-10.2.2.0-bin>bin\sysinfo
> DERBY_HOME is set incorrectly or derby.jar could not be located. Please set DERBY_HOME.
> The system cannot find the batch label specified - end
> '""' is not recognized as an internal or external command,
> operable program or batch file.
> The distinct error messages are:
> 1) DERBY_HOME is set incorrectly or derby.jar could not be located. Please set DERBY_HOME.
> 2) The system cannot find the batch label specified - end
> 3) '""' is not recognized as an internal or external command, operable program or batch file.
> Only 1) is relevant for the user, and should ideally be the only one displayed.

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