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https://issues.apache.org/jira/browse/GSHELL-81?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12543518
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Jason Dillon commented on GSHELL-81:
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I think that the pure java stuff should probably work, we can give that a try.  
If it does work, we might actually be able to put XTream on a diet and remove 
some its fat... 

> Depdendency on sun.* packages
> -----------------------------
>
>                 Key: GSHELL-81
>                 URL: https://issues.apache.org/jira/browse/GSHELL-81
>             Project: GShell
>          Issue Type: Bug
>      Security Level: public(Regular issues) 
>          Components: Core
>            Reporter: Guillaume Nodet
>            Assignee: Jason Dillon
>             Fix For: 1.0-alpha-2
>
>
> It seems that GShell is currently unable to run without the sun.* packages in 
> the classloader.
> The reason is that it uses xstream advanced mode which make use of these 
> packages.
> If these packages are not on the classpath, xstream will default to the pure 
> java reflection provider which will cause exceptions like the following:
> {noformat}
> Caused by: com.thoughtworks.xstream.converters.ConversionException: Cannot 
> construct org.apache.geronimo.gshell.layout.model.CommandNode as it does not 
> have a no-args constructor
> ---- Debugging information ----
> message             : Cannot construct 
> org.apache.geronimo.gshell.layout.model.CommandNode as it does not have a 
> no-args constructor
> cause-exception     : 
> com.thoughtworks.xstream.converters.reflection.ObjectAccessException
> cause-message       : Cannot construct 
> org.apache.geronimo.gshell.layout.model.CommandNode as it does not have a 
> no-args constructor
> class               : org.apache.geronimo.gshell.layout.model.Layout
> required-type       : org.apache.geronimo.gshell.layout.model.CommandNode
> path                : /layout/nodes/command
> -------------------------------
> {noformat}
> I'm not sure if this is a good idea or if we should support that pure java 
> mode...

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