How to migrate persistent plugin data (ToolInstallation)

[Martin Weber]

Hi,

I had to rename my sub-class of ToolInstallation.
Could someone tell/help me how to migrate existing persistent data?
I already tried

@Initializer(before=InitMilestone.PLUGINS_STARTED)
public static void addAliases() {
Items.XSTREAM2.addCompatibilityAlias("hudson.plugins.cmake.CmakeTool",
CmakeInstallation.class);


but with no effect.

TIA,
Martin

--
Cd wrttn wtht vwls s mch trsr.

[Robert Sandell]

It might be that it is not Items.XSTREAM2 that is used when deserializing ToolInstallations

There is for example Jenkins.XSTREAM2 as well and maybe some others that I don't remember.

/B

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Robert Sandell

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[Martin Weber]

Am Freitag, 5. Februar 2016, 12:18:48 schrieb Robert Sandell:
> It might be that it is not Items.XSTREAM2 that is used when deserializing
> ToolInstallations
> There is for example Jenkins.XSTREAM2 as well and maybe some others that I
> don't remember.

Next time I'll look at this. For now, I decided to not rename the class and
avoid lots of download traffic from cmake.org.

[Jesse Glick]

On Fri, Feb 5, 2016 at 6:18 AM, Robert Sandell <rsan...@cloudbees.com> wrote:
> It might be that it is not Items.XSTREAM2 that is used when deserializing ToolInstallations

According to

https://github.com/jenkinsci/cmakebuilder-plugin/blob/83220e7a2c9be23749b13f06b81644e00ac3524b/src/main/java/hudson/plugins/cmake/CmakeTool.java#L149
https://github.com/jenkinsci/jenkins/blob/b7fc9b7ef9b0dc106aa6253784c0e28f91bbc9c2/core/src/main/java/hudson/model/Descriptor.java#L883
https://github.com/jenkinsci/jenkins/blob/b7fc9b7ef9b0dc106aa6253784c0e28f91bbc9c2/core/src/main/java/hudson/XmlFile.java#L117

you are using `DEFAULT_XSTREAM` so I think you would need to do (ick):

new XmlFile(null).getXStream().addCompatibilityAlias("hudson.plugins.cmake.CmakeTool",
CmakeInstallation.class);