Hi,
I am experiencing a very strange issue with reading value from an object
retrieved through RPC (the object has default constructor, implements
Serializable, and has only Double, Boolean, List<Double> and some
enum-types fields inside - so all serializable).
I read the object on the client side and keep getting null or undefined
value when I use getter on one of its fields - a Double, however, when I
try to log the whole object, the field is displayed as a correct double
value.
This is a fragment of my code:
this.sshParams = (BasicSSHParameters) retrievedObjectData;
log.info("Params {}, lamb: {}, b: {}, mmin: {}", sshParams, sshParams.
getLamb(), sshParams.getB(), sshParams.getMmin());
(we have a wrapper to add slf4j logging style to
java.util.logging.Logger.getLogger(MyClass.class))
And what I get in the browser console is:
INFO: Params BasicSSHParameters([..], lamb=4.6872906724508825, [...], b=
0.8669989980064977, mmin=0.6, [...]), lamb: undefined, b: undefined, mmin:
0.6
So it seems the same variable is correctly read within the toString()
method, and incorrectly read using the getter. And, magically, another
variable (mmin) is correctly read using both. I thought it might be issues
of double precision, but when I changed lamb to be 4.687, it didn't change
the behaviour. The name 'lamb' also shouldn't be any problem as the same
happens with 'b'.
All the fields in BasicSSHParameters are final but we use the <set-property
name="rpc.XserializeFinalFields" value="true" /> in our gwt.xml
To make the debugging worse, the problem doesn't happen always. On my local
server instance it happens sometimes, and sometimes not (getLamb() then
returns a proper double value), but for our team's development server it
happens all the time.
We use GWT 2.8.0 (beta).
Has any of you ever experienced a similar problem? Or have any idea what
might be happening?
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