Investigate pact generation exception when generic class has non empty constructor

[akolod]

com.hltech.pact.gen.PactGenerationException: Unable to serialize bodycom.hltech.pact.gen.PactGenerationException: Unable to serialize body at com.hltech.pact.gen.domain.pact.BodySerializer.serializeBody(BodySerializer.java:32) at com.hltech.pact.gen.domain.pact.PactFactory.buildBody(PactFactory.java:217) at com.hltech.pact.gen.domain.pact.PactFactory.createInteractionResponse(PactFactory.java:205) at com.hltech.pact.gen.domain.pact.PactFactory.lambda$createInteractionsFromMethod$4(PactFactory.java:106) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) at com.hltech.pact.gen.domain.pact.PactFactory.createInteractionsFromMethod(PactFactory.java:108) at com.hltech.pact.gen.domain.pact.PactFactory.lambda$createInteractionsFromMethods$3(PactFactory.java:87) at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:267) at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) at com.hltech.pact.gen.domain.pact.PactFactory.createInteractionsFromMethods(PactFactory.java:88) at com.hltech.pact.gen.domain.pact.PactFactory.createFromFeignClient(PactFactory.java:62) at com.hltech.pact.gen.PactGenerator.lambda$generatePacts$0(PactGenerator.java:67) at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) at java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1553) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) at com.hltech.pact.gen.PactGenerator.generatePacts(PactGenerator.java:68) at com.hltech.pact.gen.PactGenerator.write(PactGenerator.java:53) at com.hltech.pact.gen.PactGenerator.writePactFiles(PactGenerator.java:49) at com.hltech.pact.gen.PactGeneratorFT.should create pact file with proper json schema and valid values(PactGeneratorFT.groovy:48)Caused by: com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class java.lang.Object and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) (through reference chain: com.hltech.pact.gen.testfeignclient.GenericDto["data"]->java.util.ArrayList[0]) at com.fasterxml.jackson.databind.exc.InvalidDefinitionException.from(InvalidDefinitionException.java:77) at com.fasterxml.jackson.databind.SerializerProvider.reportBadDefinition(SerializerProvider.java:1191) at com.fasterxml.jackson.databind.DatabindContext.reportBadDefinition(DatabindContext.java:312) at com.fasterxml.jackson.databind.ser.impl.UnknownSerializer.failForEmpty(UnknownSerializer.java:71) at com.fasterxml.jackson.databind.ser.impl.UnknownSerializer.serialize(UnknownSerializer.java:33) at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serializeContents(IndexedListSerializer.java:119) at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serialize(IndexedListSerializer.java:79) at com.fasterxml.jackson.databind.ser.impl.IndexedListSerializer.serialize(IndexedListSerializer.java:18) at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:727) at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:719) at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155) at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider._serialize(DefaultSerializerProvider.java:480) at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:319) at com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(ObjectMapper.java:3905) at com.fasterxml.jackson.databind.ObjectMapper.writeValueAsString(ObjectMapper.java:3219) at com.hltech.pact.gen.domain.pact.BodySerializer.serializeBody(BodySerializer.java:26) ... 35 more