Hi guys,
I have a pretty strange problem. I have a rather simply GAE-App,
located here: http://3.latest.honstatslogger.appspot.com/ (I'll try to
keep that version so the bug can be inspected in the future)
There are two methods on the RPC-Class and one is performing
normally:
#############
void addPlayer(final String pPlayerName, final AsyncCallback<Boolean>
pCallback);
#############
The signature of the RPC that causes the _problem_ is this one:
#############
void getPlayerStats(final String pPlayerName, final
AsyncCallback<Collection<PlayerStatsEntry>> pCallback);
#############
[PlayerStatsEntry is persisted using JDO what worked perfectly fine
and still is working perfectly fine (see bottom).]
The exception I get on the _client_ side is (due to the GAE-Logs,
nothing is crashing on the _server_ side):
#############
com.google.gwt.user.client.rpc.IncompatibleRemoteServiceException:
"The response could not be deserialized"
#############
I can verify that the problem occuring is not related to a change of
the code. (I was asleep when it occurred first)
The implementation of the above RPC ends with (Its Scala code but as
it worked before it's not a Scala issue):
#############
LOG.warning("Result: " + result.toString)
return result
#############
To narrow the problem-scope I added a new single dataset to the
server, (usually more than one gets returned) with very simple data,
so I could easily see a failure in the data-strucutre, but there was
none.
This is what gets logged to the server (simple generated toString of
the class):
#############
Result: [PlayerStatsEntry [AP=1, APEM=1, AR=1, AREM=1, acc_actions=1,
acc_amm_solo_count=1, acc_amm_solo_rating=1, acc_amm_team_count=1,
acc_amm_team_rating=1, acc_avg_score=1.0, acc_bdmg=1, acc_bdmgexp=1,
acc_bgold=1, acc_buybacks=1, acc_concedes=1, acc_concedevotes=1,
acc_consumables=1, acc_deaths=1, acc_denies=1, acc_discos=1,
acc_em_played=1, acc_exp=1, acc_exp_denied=1, acc_games_played=1,
acc_gold=1, acc_gold_spent=1, acc_goldlost2death=1, acc_heroassists=1,
acc_herodmg=1, acc_heroexp=1, acc_herokills=1, acc_herokillsgold=1,
acc_kicked=1, acc_losses=1, acc_neutralcreepdmg=1,
acc_neutralcreepexp=1, acc_neutralcreepgold=1,
acc_neutralcreepkills=1, acc_pub_count=1, acc_pub_skill=1,
acc_razed=1, acc_secs=1, acc_secs_dead=1, acc_teamcreepdmg=1,
acc_teamcreepexp=1, acc_teamcreepgold=1, acc_teamcreepkills=1,
acc_wards=1, acc_wins=1, aid=0, key=PlayerStatsEntry(11001), level=1,
nickname=xxxyyyxxx, timestamp=1265314522272]]
#############
Perfectly valid data as I can tell you.
So I have absolutely no idea what is going wrong here and it would be
great if someone could help me on this as there are currently a couple
of hundred people waiting on this to be fixed =(
Big Thanks in advance!
Best Regards,
Nicolas
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