On analysing further it seems the field id indicated as “marker” below is actually a member of one of the class instances used inside the service classes. Is there anything restriction as such about using custom classes in a service implementation ?
Sent from my iPhone > On 4 Apr 2018, at 15:06, Neeraj Vaidya <[email protected]> wrote: > > Hi, > > I am trying to deploy a service during ignite node startup. But I noticed 2 > peculiar behaviours. I am loading the class using > Note that I am using a single-node cluster. Thus, the service class is > present on the classpath of the node where I am trying to deploy this > service. > > Observation-1 > --------------------- > When the service class is part of the same (scala) package as the class which > contains the main method and also starts the ignite cluster, the service gets > deployed successfully. > > Observation-2 > ------------------- > However, when the service class is NOT part of the same (scala) package as > the class which contains the main method and also starts the ignite cluster, > the service DOES NOT deployed successfully. > > I am providing the user the ability to configure the Service class via a > configuration file i.e. the configuration file will contain an entry which > will contain a key : > serviceClass = "org.hypercomp.axlrate.charging.loader.AxlRateChargingService" > serviceName = "AXLRATE_CHARGING_MODULE" > ... > ... > > Then in the scala code, I am instantiating the service class above using > Class.forName(serviceClass).newInstance.asInstanceOf[....] Not sure if this > is a great idea, but it works when the class is part of the same package as > the class containing the main(args: Array[String]) method. > > The stack trace I see is as follows [Note all classes prefixed with > org.hypercomp are my custom classes]. : > > [14:12:54,906][SEVERE][main][GridServiceProcessor] Failed to marshal service > with configured marshaller [name=AXLRATE_CHARGING_MODULE, > srvc=org.hypercomp.axlrate.charging.loader.AxlRateChargingService@b91d8c4, > marsh=o.a.i.i.binary.BinaryMarshaller@6ea1bcdc] > class org.apache.ignite.IgniteCheckedException: Duplicate field ID: marker > at > org.apache.ignite.internal.util.IgniteUtils.marshal(IgniteUtils.java:9883) > at > org.apache.ignite.internal.processors.service.GridServiceProcessor.prepareServiceConfigurations(GridServiceProcessor.java:534) > at > org.apache.ignite.internal.processors.service.GridServiceProcessor.deployAll(GridServiceProcessor.java:568) > at > org.apache.ignite.internal.IgniteServicesImpl.deployAll(IgniteServicesImpl.java:238) > at > org.apache.ignite.internal.IgniteServicesImpl.deploy(IgniteServicesImpl.java:221) > at > org.hypercomp.axlrate.utils.imdg.AxlRateImdgManager$AxlRateIgniteImdgManager$.$anonfun$startNode$1(AxlRateImdgManager.scala:80) > at > org.hypercomp.axlrate.utils.imdg.AxlRateImdgManager$AxlRateIgniteImdgManager$.$anonfun$startNode$1$adapted(AxlRateImdgManager.scala:80) > at scala.collection.immutable.List.foreach(List.scala:389) > at > org.hypercomp.axlrate.utils.imdg.AxlRateImdgManager$AxlRateIgniteImdgManager$.startNode(AxlRateImdgManager.scala:80) > at > org.hypercomp.axlrate.utils.imdg.AxlRateImdgManager$.startNode(AxlRateImdgManager.scala:115) > at > org.hypercomp.axlrate.core.loader.AxlRateBoot$.main(AxlRateBoot.scala:92) > at > org.hypercomp.axlrate.core.loader.AxlRateBoot.main(AxlRateBoot.scala) > Caused by: class org.apache.ignite.binary.BinaryObjectException: Duplicate > field ID: marker > at > org.apache.ignite.internal.binary.BinaryClassDescriptor.<init>(BinaryClassDescriptor.java:312) > at > org.apache.ignite.internal.binary.BinaryContext.registerUserClassDescriptor(BinaryContext.java:780) > at > org.apache.ignite.internal.binary.BinaryContext.registerClassDescriptor(BinaryContext.java:752) > at > org.apache.ignite.internal.binary.BinaryContext.descriptorForClass(BinaryContext.java:623) > at > org.apache.ignite.internal.binary.BinaryWriterExImpl.marshal0(BinaryWriterExImpl.java:164) > at > org.apache.ignite.internal.binary.BinaryWriterExImpl.marshal(BinaryWriterExImpl.java:147) > at > org.apache.ignite.internal.binary.BinaryWriterExImpl.marshal(BinaryWriterExImpl.java:134) > at > org.apache.ignite.internal.binary.BinaryWriterExImpl.doWriteObject(BinaryWriterExImpl.java:496) > at > org.apache.ignite.internal.binary.BinaryWriterExImpl.writeObjectField(BinaryWriterExImpl.java:1160) > at > org.apache.ignite.internal.binary.BinaryFieldAccessor$DefaultFinalClassAccessor.write(BinaryFieldAccessor.java:663) > at > org.apache.ignite.internal.binary.BinaryClassDescriptor.write(BinaryClassDescriptor.java:793)
