drools - How to use custom jackson de-/serializer in kie execution server? -


i using kie execution server 6.5 (docker image). deploy kie container (kjar) contains rules , custom java classes. working far.

now, added 3rd party classes java classes (geojson-jackson ), use custom jackson serializer , deserializer declared @jsondeserialize(using = lnglataltdeserializer.class), see lnglatalt.

first had class loading issues, apparently because of different jackson versions, solved using geojson-jackson 1.3 , excluding jackson dependency in pom.xml.

the container started successfully, objects cannot deserialized, because custom deserializer not used. marshallingexception caused by

caused by: org.codehaus.jackson.map.jsonmappingexception: can not deserialize instance of   org.geojson.lnglatalt out of start_array token @ [source: java.io.stringreader@33714932; line: 1, column: 385] (through reference chain:  org.drools.core.command.runtime.batchexecutioncommandimpl["commands"]->  org.drools.core.command.runtime.rule.insertobjectcommand["object"]->  mypackage.myclass["polygon"]->org.geojson.polygon["coordinates"]) @ org.codehaus.jackson.map.jsonmappingexception.from(jsonmappingexception.java:163)

this part custom deserializer should take care of.

update: karel suta's answer helped me investigate further.

the issue 5776 pr indicates annotating dto should possible extend json marshaller. new jsonmarshallerextension should needed if object model not annotated.

https://issues.jboss.org/browse/jbpm-5776

https://github.com/kiegroup/droolsjbpm-integration/pull/851

enabling debug log level org.kie.server, got:

debug [org.kie.server.services.drools.droolskieserverextension] (default task-1) adding org.geojson.polygon type jaxb classes set debug [org.kie.server.services.drools.droolskieserverextension] (default task-1) added org.geojson.polygon type jaxb classes set debug [org.kie.server.services.drools.droolskieserverextension] (default task-1) adding org.geojson.lnglatalt type jaxb classes set debug [org.kie.server.services.drools.droolskieserverextension] (default task-1) added org.geojson.lnglatalt type jaxb classes set ...

and

debug [org.kie.server.api.marshalling.basemarshallerbuilder] (default task-2) build default instance of json marshaller classes [ ..., class org.geojson.polygon, org.geojson.lnglatalt, ...

together on hundred other classes (all dependencies seems). classes recognized , maybe supplying jsonmarshallerextension them work (i have not figured out, how that), should possible annotations well.

any other suggestions annotations working?

in latest snapshot possible define custom marshaller classes using jsonmarshallerextension, see this pr.


Comments

Post a Comment

Popular posts from this blog

inversion of control - Autofac named registration constructor injection -

does autofac support specifying registration name in components' constructors? example: ninject's namedattribute . you need use autofac.extras.attributed package on top achieve this so let's have 1 interface , 2 classes: public interface ihello { string sayhello(); } public class englishhello : ihello { public string sayhello() { return "hello"; } } public class frenchhello : ihello { public string sayhello() { return "bonjour"; } } then have consumer class, in want select instance injected: public class helloconsumer { private readonly ihello helloservice; public helloconsumer([withkey("en")] ihello helloservice) { if (helloservice == null) { throw new argumentnullexception("helloservice"); } this.helloservice = helloservice; } public string sayhello() { return this.helloservice.sayhello()...
Read more

verilog - Systemverilog dynamic casting issues -

i've code snippet following in testbench function void write_to_port( my_data_type_base data ); my_data_type_extended data_ext; if(!$cast(data_ext, data)); `uvm_error(get_type_name(), "failed cast"); `uvm_info(get_name(), $psprintf("data_ext :\n%s", data_ext.sprint()), uvm_medium) // write data_ext out port.... endfunction when run it, i'm getting uvm_error "failed cast." i'm not quire sure why $cast not returning 1. can see, i'm printing out extended class data item after casting uvm_info. can see it's being cast properly. if don't use $cast if condition, don't runtime error. isn't coding practice use if dynamic cast check if $cast returning 1 ? what might reason behind cast not returning 1 in above case? i think semicolon on line 'if' not belong? i think consumes if statement, , uvm_error executes regardless of how if evaluates: if(!$cast(data_ext, data)); <- no semico...
Read more

ios - Change Storyboard View using Seague -

i have following code checks connection server, , depending on want change views if no connection found. nsstring *connect = [nsstring stringwithcontentsofurl:[nsurl urlwithstring:@"http://myserver.com"] encoding:nsutf8stringencoding error:nil]; if (connect == null) { [self performseguewithidentifier:@"network_failure" sender:self]; } else { // other code here } my problem not change views. have added storyboard segue between 2 views identifier of network_failure . not have navigation controller or that, problem? thanks help! no not problem. first of all, in objectivec exists nil object oriented null . must use that. so: if(connect == nil) or better: if(!connect) so due fact nil not same of null , probably code does't enter in if scope . you have been able discover breakpoint. anyway: be sure set trigger segue (line) 2 view controller , , name network_failure (that not best name. should instead view1toview2 ) as, m...
Read more