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https://issues.apache.org/jira/browse/WW-4928?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksandr Mashchenko reassigned WW-4928:
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Assignee: Aleksandr Mashchenko
> Setting struts.devMode from system property not working as described
> --------------------------------------------------------------------
>
> Key: WW-4928
> URL: https://issues.apache.org/jira/browse/WW-4928
> Project: Struts 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.5.14.1
> Environment: **Windows, Linux, Solaris
> Reporter: Peter J Ford
> Assignee: Aleksandr Mashchenko
> Priority: Minor
> Labels: documentation, easyfix
> Fix For: 2.6
>
>
> According to
> [http://struts.apache.org/core-developers/constant-configuration.html] the
> struts.devMode setting can be read from environment strings or system
> properties. This works correctly when setting from an environment string -
> for example:
> {{<constant name="struts.devMode" value="${env.STRUTS_DEV_MODE:false}"/>}}
> However it does not work for system properties, such as setting
> "-DstrutsDevMode=true" as a system property and this in struts.xml:
> {{<constant name="struts.devMode" value="${strutsDevMode:false}"/>}}
> Having dug through the source I found that this is to do with the way the
> value substitutor is configured, and that using ":-" instead of ":" as the
> separator string when using system properties will work:
> {{<constant name="struts.devMode" value="${strutsDevMode:-false}"/>}}
>
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