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Investigate about some Exception in logs of sandbox demos #1502

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sbernard31 opened this issue Aug 31, 2023 · 3 comments
Closed

Investigate about some Exception in logs of sandbox demos #1502

sbernard31 opened this issue Aug 31, 2023 · 3 comments
Labels
housekeeping Refactoring, cleaning code or API sandbox relative to leshan sandbox : https://leshan.eclipseprojects.io

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@sbernard31
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Following :

I take a look at logs and find those exceptions which happen regularly :

java.lang.NullPointerException: null
	at org.eclipse.leshan.core.node.LwM2mPath.hashCode(LwM2mPath.java:336)
	at java.util.HashMap.hash(HashMap.java:339)
	at java.util.HashMap.put(HashMap.java:612)
	at org.eclipse.leshan.core.node.codec.senml.LwM2mNodeSenMLDecoder.groupByPath(LwM2mNodeSenMLDecoder.java:322)
	at org.eclipse.leshan.core.node.codec.senml.LwM2mNodeSenMLDecoder.decodeNodes(LwM2mNodeSenMLDecoder.java:130)
	at org.eclipse.leshan.core.node.codec.DefaultLwM2mDecoder.decodeNodes(DefaultLwM2mDecoder.java:178)
	at org.eclipse.leshan.server.californium.request.LwM2mResponseBuilder.decodeCompositeCoapResponse(LwM2mResponseBuilder.java:506)
	at org.eclipse.leshan.server.californium.request.LwM2mResponseBuilder.visit(LwM2mResponseBuilder.java:307)
	at org.eclipse.leshan.core.request.ReadCompositeRequest.accept(ReadCompositeRequest.java:105)
	at org.eclipse.leshan.server.californium.endpoint.ServerCoapMessageTranslator.createLwM2mResponse(ServerCoapMessageTranslator.java:75)
	at org.eclipse.leshan.server.californium.endpoint.CaliforniumServerEndpoint$1.buildResponse(CaliforniumServerEndpoint.java:111)
	at org.eclipse.leshan.core.californium.SyncRequestObserver.waitForResponse(SyncRequestObserver.java:55)
	at org.eclipse.leshan.server.californium.endpoint.CaliforniumServerEndpoint.send(CaliforniumServerEndpoint.java:137)
	at org.eclipse.leshan.server.request.DefaultDownlinkRequestSender.send(DefaultDownlinkRequestSender.java:93)
	at org.eclipse.leshan.server.queue.QueueModeLwM2mRequestSender.send(QueueModeLwM2mRequestSender.java:60)
	at org.eclipse.leshan.server.LeshanServer.send(LeshanServer.java:467)
	at org.eclipse.leshan.server.LeshanServer.send(LeshanServer.java:440)

2023-08-29 07:47:59,027 WARN ClientServlet - Unexpected exception
org.eclipse.leshan.core.link.attributes.InvalidAttributeException: Cannot parse query param 'pmin=10&pmax=20'
	at org.eclipse.leshan.core.link.lwm2m.attributes.DefaultLwM2mAttributeParser.parseQueryParams(DefaultLwM2mAttributeParser.java:67)
	at org.eclipse.leshan.core.link.lwm2m.attributes.DefaultLwM2mAttributeParser.parseQueryParams(DefaultLwM2mAttributeParser.java:51)
	at org.eclipse.leshan.server.demo.servlet.ClientServlet.doPut(ClientServlet.java:333)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)

2023-08-29 07:44:20,836 ERROR SendableResponse - Exception while calling the reponse sent callback
java.lang.RuntimeException: com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class org.eclipse.leshan.core.LwM2m$Version and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) (through reference chain: org.eclipse.leshan.server.demo.servlet.EventServlet$RegUpdate["update"]->org.eclipse.leshan.server.registration.RegistrationUpdate["supportedObjects"]->java.util.HashMap["1"])
	at org.eclipse.leshan.server.demo.servlet.EventServlet$1.updated(EventServlet.java:123)
	at org.eclipse.leshan.server.registration.RegistrationServiceImpl.fireUpdated(RegistrationServiceImpl.java:87)
	at org.eclipse.leshan.server.registration.RegistrationHandler$2.run(RegistrationHandler.java:165)
	at org.eclipse.leshan.core.response.SendableResponse.sent(SendableResponse.java:47)
	at org.eclipse.leshan.server.californium.registration.RegisterResource.handleUpdate(RegisterResource.java:247)
	at org.eclipse.leshan.server.californium.registration.RegisterResource.handlePOST(RegisterResource.java:108)
	at org.eclipse.californium.core.CoapResource.handleRequest(CoapResource.java:261)
	at org.eclipse.leshan.core.californium.LwM2mCoapResource.handleRequest(LwM2mCoapResource.java:58)
	at org.eclipse.californium.core.server.ServerMessageDeliverer.deliverRequest(ServerMessageDeliverer.java:133)
	at org.eclipse.californium.core.network.stack.BaseCoapStack$StackTopAdapter.receiveRequest(BaseCoapStack.java:204)
	at org.eclipse.californium.core.network.stack.AbstractLayer.receiveRequest(AbstractLayer.java:84)
	at org.eclipse.californium.core.network.stack.AbstractLayer.receiveRequest(AbstractLayer.java:84)
	at org.eclipse.californium.core.network.stack.BlockwiseLayer.receiveRequest(BlockwiseLayer.java:578)
	at org.eclipse.californium.core.network.stack.ReliabilityLayer.receiveRequest(ReliabilityLayer.java:296)
	at org.eclipse.californium.core.network.stack.AbstractLayer.receiveRequest(AbstractLayer.java:84)
	at org.eclipse.californium.core.network.stack.BaseCoapStack.receiveRequest(BaseCoapStack.java:126)
	at org.eclipse.californium.core.network.CoapEndpoint$1.receiveRequest(CoapEndpoint.java:310)
	at org.eclipse.californium.core.network.UdpMatcher$2.run(UdpMatcher.java:289)
	at org.eclipse.californium.elements.util.SerialExecutor$1.run(SerialExecutor.java:292)
	at org.eclipse.californium.core.network.CoapEndpoint$6.run(CoapEndpoint.java:1367)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class org.eclipse.leshan.core.LwM2m$Version and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) (through reference chain: org.eclipse.leshan.server.demo.servlet.EventServlet$RegUpdate["update"]->org.eclipse.leshan.server.registration.RegistrationUpdate["supportedObjects"]->java.util.HashMap["1"])
	at com.fasterxml.jackson.databind.exc.InvalidDefinitionException.from(InvalidDefinitionException.java:77)
	at com.fasterxml.jackson.databind.SerializerProvider.reportBadDefinition(SerializerProvider.java:1308)
	at com.fasterxml.jackson.databind.DatabindContext.reportBadDefinition(DatabindContext.java:414)
	at com.fasterxml.jackson.databind.ser.impl.UnknownSerializer.failForEmpty(UnknownSerializer.java:53)
	at com.fasterxml.jackson.databind.ser.impl.UnknownSerializer.serialize(UnknownSerializer.java:30)
	at com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeOptionalFields(MapSerializer.java:869)
	at com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeWithoutTypeInfo(MapSerializer.java:760)
	at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:720)
	at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:35)
	at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:732)
	at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:772)
	at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:178)
	at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:732)
	at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:772)
	at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:178)
	at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider._serialize(DefaultSerializerProvider.java:479)
	at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:318)
	at com.fasterxml.jackson.databind.ObjectMapper._writeValueAndClose(ObjectMapper.java:4719)
	at com.fasterxml.jackson.databind.ObjectMapper.writeValueAsString(ObjectMapper.java:3964)
	at org.eclipse.leshan.server.demo.servlet.EventServlet$1.updated(EventServlet.java:121)
	... 26 common frames omitted

We need to investigate.
@sbernard31 sbernard31 added housekeeping Refactoring, cleaning code or API sandbox relative to leshan sandbox : https://leshan.eclipseprojects.io labels Aug 31, 2023
This was referenced Sep 1, 2023
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@sbernard31
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sbernard31 commented Sep 1, 2023 •
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NPE in hashcode should be fixed by : #1505

~This should probably be backport in 1.x too. ~

The fix for 1.x is at : 74caa9d

@sbernard31
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InvalidAttributeException must be fixed by : 9e14443
InvalidDefinitionException must be fixed by : 749d698

Not need to backport to 1.x

@sbernard31
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All exceptions are now fixed.

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