Markus KARG created MNG-5598:
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Summary: Environment variables must be written in UPPER CASE
Key: MNG-5598
URL: https://jira.codehaus.org/browse/MNG-5598
Project: Maven 2 & 3
Issue Type: Bug
Affects Versions: 3.0.4
Environment: Windows
Reporter: Markus KARG
On Windows, it is valid and common practice to defined environment variables
with mixed case names, e. g. SystemDrive, SystemRoot, ProgramData, etc.
When writing this mixed case names in the POM.exe, these cannot be resolved but
will be used as string literals. For example, the popular exec plugin from
codehaus mojo project complains it cannot find the executable at LITERALLY
${env.MSDevDir}/Bin/MSDEV.exe, while actually that variable is defined in
exactly that mixed case name, and points to the existing executable. Once
MSDevDir is replaced in the (wrong!) UPPER CASE form of ${env.MSDEVDIR}, then
the executable is found, which is weird!
While the MavenPropertiesGuide
(http://docs.codehaus.org/display/MAVENUSER/MavenPropertiesGuide) actually only
shows examples using UPPER CASE environment variables, it does not clearly say
that this is an enforced restriction. Hence, either this is a bug in the Maven
software (i. e. it unintentionally expects UPPER CASE), or it is to be clearly
said in the properties guide that UPPER CASE is a wanted constrained of Maven.
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