[ 
https://jira.codehaus.org/browse/SUREFIRE-1068?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Eric Pederson updated SUREFIRE-1068:
------------------------------------

    Description: 
The {surefire.forkNumber} placeholder cannot be used alone in a 
{{systemPropertyVariable}}.  The workaround is to prefix the value.

For example, this doesn't work (the {{surefire.forkNumber}} system property 
does not exist when running the test).

{code:xml}
  <systemPropertyVariables>
    <surefire.forkNumber>${surefire.forkNumber}</surefire.forkNumber>
  </systemPropertyVariables>
{code}

But this does:

{code:xml}
  <systemPropertyVariables>
    <surefire.forkNumber>0${surefire.forkNumber}</surefire.forkNumber>
  </systemPropertyVariables>
{code}

(note the leading *0*)

  was:
If {{${surefire.forkNumber} }} is used alone in a {{systemPropertyVariable}} it 
resolves as null.  Workaround is to prefix the value.

For example, this doesn't work (the {{surefire.forkNumber}} system property 
does not exist).
{code:xml}
  <systemPropertyVariables>
    <surefire.forkNumber>${surefire.forkNumber}</surefire.forkNumber>
  </systemPropertyVariables>
{code}

But this does:
{code:xml}
  <systemPropertyVariables>
    <surefire.forkNumber>0${surefire.forkNumber}</surefire.forkNumber>
  </systemPropertyVariables>
{code}

(note the leading *0*)


> forkNumber in systemPropertyVariables requires prefix
> -----------------------------------------------------
>
>                 Key: SUREFIRE-1068
>                 URL: https://jira.codehaus.org/browse/SUREFIRE-1068
>             Project: Maven Surefire
>          Issue Type: Bug
>          Components: Maven Surefire Plugin
>    Affects Versions: 2.16
>            Reporter: Eric Pederson
>            Priority: Minor
>
> The {surefire.forkNumber} placeholder cannot be used alone in a 
> {{systemPropertyVariable}}.  The workaround is to prefix the value.
> For example, this doesn't work (the {{surefire.forkNumber}} system property 
> does not exist when running the test).
> {code:xml}
>   <systemPropertyVariables>
>     <surefire.forkNumber>${surefire.forkNumber}</surefire.forkNumber>
>   </systemPropertyVariables>
> {code}
> But this does:
> {code:xml}
>   <systemPropertyVariables>
>     <surefire.forkNumber>0${surefire.forkNumber}</surefire.forkNumber>
>   </systemPropertyVariables>
> {code}
> (note the leading *0*)



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