Hi, we are making a plug in that creates layers programmatically from a 
postgres database. All layers are buit from the same database table. The 
difference is the filter applied to each one. We filter with 
layer.getStyleBlackboard().put(ProjectBlackboardConstants.LAYER__DATA_QUERY, 
filter);

and everything works fine. We close uDig and when we reopen it, the layers 
can“t be rendered cause there is a problem with the filter. What coud be 
happening? Any idea?

Thanks in advance.

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