Hi,

The exception noticed by Jukka was not from LayerView but from LayerManagerExtension

Both are about styling layers, but with different goals :
- LayerView is a Layer which uses the data of another layer as its datasource. It makes it possible to apply a second style to a dataset without duplicating the data. There was a bug reported by Peppe a few days ago about this plugin : a project containing LayerViews could not be save / restore. The bug is partly resolved.

-LayerManager is an extension to save styles associated  to different layers without saving the data, in order to re-use the the styles with another dataset having the same structure but different data. It uses jaxb as its persistence mechanism, and this is the one that is incompatible with JDK 12ea recently tested by Jukka (because jaxb has been removed from the jdk).

Ede, there is a small introduction on this extension here :
https://sourceforge.net/projects/jump-pilot/files/OpenJUMP_plugins/More%20Plugins/ViewManager%20PlugIn/

Michaël


Le 28/08/2018 à 11:15, Giuseppe Aruta a écrit :
Hi Ede
Layer views are basically different views of the layer with (optionally) different styles applied In order to simplify you can consider layer views as sinonimous of styles of layer (Layer>Style>Change styles)
See also the new plugin in the layer toc "Add layer view"
Best regards



2018-08-28 10:02 GMT+02:00 <edgar.sol...@web.de <mailto:edgar.sol...@web.de>>:

    On 28.08.2018 07:38, Michaël Michaud wrote:
    > Also it it is difficult to make it lighter, we can also remove
    it from the PLUS distro.

    right. what does it do by the way. i saw it lacks german
    translation which i could do if i know what it does. it seems to
    be hidden in the Plugin menu as well and should be placed properly
    via def-plugins.xml if we decide to keep it.

    how about we remove it and if users complain we at least know it
    is in actual use and think of a solution?

    ..ede

    
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