> On 29 Aug 2016, at 20:23, Alexander Farber <alexander.far...@gmail.com> wrote:
> On Mon, Aug 29, 2016 at 7:50 PM, Merlin Moncure <mmonc...@gmail.com> wrote:
> On Sat, Aug 27, 2016 at 5:39 AM, Alexander Farber
> <alexander.far...@gmail.com> wrote:
> >
> > List last_tiles = (List) JSON.parse(rs.getString("last_tiles"));
> >
> > has not work for me even though the string is:
> >
> > [{"col": 7, "row": 8, "value": 1, "letter": "A"}, {"col": 7, "row": 7,
> > "value": 2, "letter": "B"}, {"col": 7, "row": 9, "value": 2, "letter": "C"}]
> >
> > but it is probably the problem of the Jetty class I am using and not of
> > JDBC...
>
> huh. what exactly is failing? are you getting a parse exception?
>
> http://download.eclipse.org/jetty/9.3.11.v20160721/apidocs/org/eclipse/jetty/util/ajax/JSON.html#parse-java.lang.String-
>
> fails with:
>
> java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to
> java.util.List
I'm not 100% sure it's the root of the ClassCastException here, but I'm pretty
sure that Java will want to know what class of items that List consists of.
If that doesn't ring a bell for you, spend some time reading about "Java
generic classes" (not to be confused with "general Java classes").
Alban Hertroys
--
If you can't see the forest for the trees,
cut the trees and you'll find there is no forest.
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