[jira] Commented: (DERBY-2908) 10.3.1.0 / 1.1.0 Derby eclipse plugin gives security error referring to user.dir read permission because derby.system.home is set to '.'

["Daniel John Debrunner (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DERBY-2908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12510706 ] 

Daniel John Debrunner commented on DERBY-2908:
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I'd always assumed that derby.system.home had to be an absolute path, but I see there's nothing in the documentation that states that.

Note that '.' (dot) has no meaning in Java, thus the eclipse plugin should not be using

   -Dderby.system.home=. 

as it's technically non-portable, though likely to work on most operating systems that Derby will run on.

> 10.3.1.0 / 1.1.0 Derby eclipse plugin gives security error referring to user.dir read permission because derby.system.home is set to '.'
> ----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2908
>                 URL: https://issues.apache.org/jira/browse/DERBY-2908
>             Project: Derby
>          Issue Type: Bug
>          Components: Eclipse Plug-in
>    Affects Versions: 10.3.0.0, 10.3.1.0, 10.3.1.1, 10.4.0.0
>         Environment: eclipse 3.2.1 with derby 10.3.1.0 core plugin, ui and doc plugin 1.1.0.
>            Reporter: Myrna van Lunteren
>         Attachments: derby-2908-patchDefaultPolicy-01.diff
>
>
> The Derby nature sets by default -Dderby.system.home=. (set in plugins/eclipse/org.apache.derby.ui/src/org/apache/derby/ui/properties/DerbyProperties.java and checked in plugins/eclipse/org.apache.derby.ui/src/org/apache/derby/uitl/DerbyServerUtils.java)
> With the default security policy, however, such a setting for ij & NetworkServerControl results in a security error in ij.
> (See stack in thread: http://www.nabble.com/10.3.1.0b-eclipse-plugin---default-security-tf4030218.html)
> It's possible this is a bug in itself...
> One work around is to add the following permission to the default policy file:
> permission java.util.PropertyPermission "user.dir", "read";
> Another solution is to not set the derby.system.home to anything by default, and if it's not set to anything, not pass on -Dderby.system.home= to the networkserver process (specifying -Dderby.system.home= without a value fails to start networkserver).
> This would mean increasing the version of the plugins. To 1.1.1?
> Yet another thing would be to adjust the plugin to handle adjusting the security policy...

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