[jira] Resolved: (IVY-1015) Flag to disable System property lookups by Ivy

["Xavier Hanin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IVY-1015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xavier Hanin resolved IVY-1015.
-------------------------------

       Resolution: Fixed
    Fix Version/s:     (was: 2.0.x)
                   trunk
         Assignee: Xavier Hanin

I've solved the problem without introducing a flag, by simply catching the exception and outputting a verbose message when you don't have access to all system properties. Please reopen if you think a flag would really be a better solution.

> Flag to disable System property lookups by Ivy
> ----------------------------------------------
>
>                 Key: IVY-1015
>                 URL: https://issues.apache.org/jira/browse/IVY-1015
>             Project: Ivy
>          Issue Type: New Feature
>    Affects Versions: 1.0, 1.1, 1.2, 1.3, 1.3.1, 1.4, 1.4.1, 2.0.0-alpha-1, 2.0.0-alpha-2, 2.0.0-beta-1, 2.0.0-beta-2, 2.0-RC1, 2.0-RC2, 2.0
>            Reporter: Jeffrey Sinclair
>            Assignee: Xavier Hanin
>             Fix For: trunk
>
>
> When configuring Ivy through IvySettings, a call to System.getProperties() is made. 
> System property calls are typically disabled through the security manager in shared web containers which results in the following stack trace:
> java.security.AccessControlException: access denied
> (java.util.PropertyPermission * read,write)
>         java.security.AccessControlContext.checkPermission(AccessControlContext.java:323)
>         java.security.AccessController.checkPermission(AccessController.java:546)
>         java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
>         java.lang.SecurityManager.checkPropertiesAccess(SecurityManager.java:1252)
>         java.lang.System.getProperties(System.java:582)
>         org.apache.ivy.core.settings.IvySettings.addSystemProperties(IvySettings.java:294)
>         org.apache.ivy.core.settings.IvySettings.<init>(IvySettings.java:290)
>         org.apache.ivy.core.settings.IvySettings.<init>(IvySettings.java:212)
> Since there is no out-of-the-box workaround, Ivy cannot be used in such an environment.
> Ivy could be made more web app friendly by providing a flag to disable System property lookups. 
> It would be useful to configure this flag through API on the IvySettings class.
> Any other usage of system properties outside of the IvySettings file should also be controllable.

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