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From "Klitos (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (GROOVY-8869) Warning when JAVA_HOME points to NTFS symlink
Date Tue, 06 Nov 2018 14:56:00 GMT

     [ https://issues.apache.org/jira/browse/GROOVY-8869?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Klitos updated GROOVY-8869:
---------------------------
    Component/s: Groovy Console

> Warning when JAVA_HOME points to NTFS symlink
> ---------------------------------------------
>
>                 Key: GROOVY-8869
>                 URL: https://issues.apache.org/jira/browse/GROOVY-8869
>             Project: Groovy
>          Issue Type: Bug
>          Components: Groovy Console, Groovysh
>    Affects Versions: 2.5.3
>         Environment: Windows 7 Professional 64-bit (but probably applies to all versions
of Windows)
>            Reporter: Klitos
>            Priority: Minor
>
> It is typical (especially on Linux) to have a symlink to a minor version of the JDK.
On Windows, I've got jdk1.8 as a symlink to the latest bug-fix release:
> {noformat}
> C:\Program Files\Java>dir
>  Volume in drive C is OSDisk
>  Volume Serial Number is 3A80-142D
>  Directory of C:\Program Files\Java
> 06/11/2018 09:36 <DIR> .
> 06/11/2018 09:36 <DIR> ..
> 06/11/2018 09:36 <SYMLINKD> jdk1.8 [jdk1.8.0_192]
> 17/10/2018 16:41 <DIR> jdk1.8.0_192
> {noformat}
>  
> When I start groovysh.bat (or groovysh.exe) I get this startup message:
> {noformat}
> C:\Program Files\Java>groovysh
> warning: JAVA_HOME points to a nonexistent location
> Groovy Shell (2.5.3, JVM: 1.8.0_192)
> Type ':help' or ':h' for help.{noformat}
> Even worse, groovyconsole does not start at all.
> On the other hand, although it fails with symlinks, it works with NTFS junctions.
> Looking at the source, it appears to be a problem with the stat function, called from
jst_fileExists, which is called from getJavaHomeFromEnvVar() in [https://github.com/codehaus/groovy-native-launcher/blob/master/source/jvmstarter.c]
> There are other ways to find if a file exists on windows that don't use stat.



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