On Tue, May 8, 2012 at 4:00 PM, Francesco Pizzitutti <
[log in to unmask]> wrote:

> Hi,
>
> Just a beginner question about GeoMason: when I want to use check points, I
> got the following:
>
> java.io.NotSerializableException:
> com.vividsolutions.jts.index.quadtree.Quadtree
>        - field (class "sim.field.geo.GeomVectorField", name:
> "spatialIndex",
> type: "class com.vividsolutions.jts.index.quadtree.Quadtree")
>        - object (class "sim.field.geo.GeomVectorField",
> sim.field.geo.GeomVectorField@122a7b5)
>        - field (class "sim.app.WebGalaSim.WebGalaSim", name: "junctions",
> type: "class sim.field.geo.GeomVectorField")
>        - root object (class "sim.app.WebGalaSim.WebGalaSim",
> sim.app.WebGalaSim.WebGalaSim@1188793)
>        at
> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177)
>        at
> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1528)
>        at
> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1493)
>        at
> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:141
> 6)
>        at
> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174)
>        at
> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1528)
>        at
> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1493)
>        at
> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:141
> 6)
>        at
> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174)
>        at
> java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:346)
>        at sim.engine.SimState.writeToCheckpoint(SimState.java:248)
>        at sim.engine.SimState.writeToCheckpoint(SimState.java:261)
>        at sim.app.WebGalaSim.WebGalaSim.main(WebGalaSim.java:199)
>
>
> Is there a way to solve the problem?
>
> Thanks
>
> Francesco
>



The version of JTS you're using is not serializable.  I understand a later
version should be?

Cheers,

Mark