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https://issues.apache.org/jira/browse/CAMEL-17579?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Nicolas Filotto updated CAMEL-17579:
------------------------------------
Priority: Minor (was: Major)
> Message DataType lost on copy
> -----------------------------
>
> Key: CAMEL-17579
> URL: https://issues.apache.org/jira/browse/CAMEL-17579
> Project: Camel
> Issue Type: Bug
> Components: camel-core
> Affects Versions: 3.15.0
> Reporter: Nicolas Filotto
> Assignee: Nicolas Filotto
> Priority: Minor
>
> While working on the example
> [`transformer-demo`|[https://github.com/apache/camel-examples/tree/main/examples/transformer-demo],]
> I realized that it fails with the next error:
>
>
> {code:java}
> 2022-01-31 10:46:43,910 [elClient.main()] ERROR DefaultErrorHandler
> - Failed delivery for (MessageId: 2BE86653B2ADF34-0000000000000002 on
> ExchangeId: 2BE86653B2ADF34-0000000000000002). Exhausted after delivery
> attempt: 1 caught: org.apache.camel.InvalidPayloadException: No body
> available of type: org.apache.camel.example.transformer.demo.Order but has
> value: {"orderId":"Order-JSON-0001", "itemId":"MIZUYO-KAN",
> "quantity":"16350"} of type: java.lang.String on: Message. Caused by: Error
> during type conversion from type: java.lang.String to the required type:
> org.apache.camel.example.transformer.demo.Order with value
> {"orderId":"Order-JSON-0001", "itemId":"MIZUYO-KAN", "quantity":"16350"} due
> to javax.xml.bind.UnmarshalException: null.
> Exchange[2BE86653B2ADF34-0000000000000002]. Caused by:
> [org.apache.camel.TypeConversionException - Error during type conversion from
> type: java.lang.String to the required type:
> org.apache.camel.example.transformer.demo.Order with value
> {"orderId":"Order-JSON-0001", "itemId":"MIZUYO-KAN", "quantity":"16350"} due
> to javax.xml.bind.UnmarshalException: null]
>
> Message History (source location and message history is disabled)
> ---------------------------------------------------------------------------------------------------------------------------------------
> Source ID
> Processor Elapsed (ms)
> json/json
> from[direct://json] 29
> ...
> java/wireTap1
> wireTap[direct:csv] 0
>
> Stacktrace
> ---------------------------------------------------------------------------------------------------------------------------------------
> org.apache.camel.InvalidPayloadException: No body available of type:
> org.apache.camel.example.transformer.demo.Order but has value:
> {"orderId":"Order-JSON-0001", "itemId":"MIZUYO-KAN", "quantity":"16350"} of
> type: java.lang.String on: Message. Caused by: Error during type conversion
> from type: java.lang.String to the required type:
> org.apache.camel.example.transformer.demo.Order with value
> {"orderId":"Order-JSON-0001", "itemId":"MIZUYO-KAN", "quantity":"16350"} due
> to javax.xml.bind.UnmarshalException: null.
> Exchange[2BE86653B2ADF34-0000000000000002]. Caused by:
> [org.apache.camel.TypeConversionException - Error during type conversion from
> type: java.lang.String to the required type:
> org.apache.camel.example.transformer.demo.Order with value
> {"orderId":"Order-JSON-0001", "itemId":"MIZUYO-KAN", "quantity":"16350"} due
> to javax.xml.bind.UnmarshalException: null]
> at
> org.apache.camel.support.MessageSupport.getMandatoryBody(MessageSupport.java:125)
> ~[camel-support-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.processor.ContractAdvice.convertIfRequired(ContractAdvice.java:154)
> ~[camel-core-processor-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.processor.ContractAdvice.doTransform(ContractAdvice.java:134)
> ~[camel-core-processor-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at org.apache.camel.processor.ContractAdvice.before(ContractAdvice.java:69)
> ~[camel-core-processor-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.engine.CamelInternalProcessor.process(CamelInternalProcessor.java:342)
> ~[camel-base-engine-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:96)
> ~[camel-direct-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:172)
> ~[camel-core-processor-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.processor.errorhandler.RedeliveryErrorHandler$SimpleTask.run(RedeliveryErrorHandler.java:471)
> [camel-core-processor-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.engine.DefaultReactiveExecutor$Worker.schedule(DefaultReactiveExecutor.java:187)
> [camel-base-engine-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.engine.DefaultReactiveExecutor.scheduleMain(DefaultReactiveExecutor.java:64)
> [camel-base-engine-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at org.apache.camel.processor.Pipeline.process(Pipeline.java:184)
> [camel-core-processor-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.engine.CamelInternalProcessor.process(CamelInternalProcessor.java:399)
> [camel-base-engine-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:96)
> [camel-direct-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.engine.SharedCamelInternalProcessor.process(SharedCamelInternalProcessor.java:214)
> [camel-base-engine-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.engine.SharedCamelInternalProcessor$1.process(SharedCamelInternalProcessor.java:111)
> [camel-base-engine-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.engine.DefaultAsyncProcessorAwaitManager.process(DefaultAsyncProcessorAwaitManager.java:83)
> [camel-base-engine-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.engine.SharedCamelInternalProcessor.process(SharedCamelInternalProcessor.java:108)
> [camel-base-engine-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.support.cache.DefaultProducerCache.send(DefaultProducerCache.java:199)
> [camel-support-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.engine.DefaultProducerTemplate.send(DefaultProducerTemplate.java:176)
> [camel-base-engine-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.engine.DefaultProducerTemplate.send(DefaultProducerTemplate.java:172)
> [camel-base-engine-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.engine.DefaultProducerTemplate.send(DefaultProducerTemplate.java:137)
> [camel-base-engine-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.example.transformer.demo.client.CamelClient.main(CamelClient.java:84)
> [classes/:?]
> at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ~[?:?]
> at
> jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> ~[?:?]
> at
> jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> ~[?:?]
> at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
> at org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:282)
> [exec-maven-plugin-1.6.0.jar:?]
> at java.lang.Thread.run(Thread.java:829) [?:?]
> Caused by: org.apache.camel.TypeConversionException: Error during type
> conversion from type: java.lang.String to the required type:
> org.apache.camel.example.transformer.demo.Order with value
> {"orderId":"Order-JSON-0001", "itemId":"MIZUYO-KAN", "quantity":"16350"} due
> to javax.xml.bind.UnmarshalException: null
> at
> org.apache.camel.converter.jaxb.FallbackTypeConverter.convertTo(FallbackTypeConverter.java:144)
> ~[camel-jaxb-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.converter.jaxb.FallbackTypeConverterLoader.lambda$registerFallbackConverters$0(FallbackTypeConverterLoader.java:44)
> ~[camel-jaxb-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.support.SimpleTypeConverter.convertTo(SimpleTypeConverter.java:101)
> ~[camel-support-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.converter.CoreTypeConverterRegistry.doConvertTo(CoreTypeConverterRegistry.java:516)
> ~[camel-base-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.converter.CoreTypeConverterRegistry.doConvertTo(CoreTypeConverterRegistry.java:356)
> ~[camel-base-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.converter.CoreTypeConverterRegistry.mandatoryConvertTo(CoreTypeConverterRegistry.java:272)
> ~[camel-base-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.support.MessageSupport.getMandatoryBody(MessageSupport.java:123)
> ~[camel-support-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> ... 27 more
> Caused by: javax.xml.bind.UnmarshalException
> at
> com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.handleStreamException(UnmarshallerImpl.java:455)
> ~[jaxb-impl-2.3.3.jar:2.3.3]
> at
> com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:387)
> ~[jaxb-impl-2.3.3.jar:2.3.3]
> at
> com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:356)
> ~[jaxb-impl-2.3.3.jar:2.3.3]
> at
> org.apache.camel.converter.jaxb.FallbackTypeConverter.unmarshal(FallbackTypeConverter.java:298)
> ~[camel-jaxb-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.converter.jaxb.FallbackTypeConverter.unmarshall(FallbackTypeConverter.java:199)
> ~[camel-jaxb-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.converter.jaxb.FallbackTypeConverter.convertTo(FallbackTypeConverter.java:129)
> ~[camel-jaxb-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.converter.jaxb.FallbackTypeConverterLoader.lambda$registerFallbackConverters$0(FallbackTypeConverterLoader.java:44)
> ~[camel-jaxb-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.support.SimpleTypeConverter.convertTo(SimpleTypeConverter.java:101)
> ~[camel-support-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.converter.CoreTypeConverterRegistry.doConvertTo(CoreTypeConverterRegistry.java:516)
> ~[camel-base-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.converter.CoreTypeConverterRegistry.doConvertTo(CoreTypeConverterRegistry.java:356)
> ~[camel-base-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.converter.CoreTypeConverterRegistry.mandatoryConvertTo(CoreTypeConverterRegistry.java:272)
> ~[camel-base-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.support.MessageSupport.getMandatoryBody(MessageSupport.java:123)
> ~[camel-support-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> ... 27 more
> Caused by: javax.xml.stream.XMLStreamException: ParseError at [row,col]:[1,1]
> Message: Content is not allowed in prolog.
> at
> com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.next(XMLStreamReaderImpl.java:652)
> ~[?:?]
> at
> com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(StAXStreamConnector.java:134)
> ~[jaxb-impl-2.3.3.jar:2.3.3]
> at
> com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:385)
> ~[jaxb-impl-2.3.3.jar:2.3.3]
> at
> com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:356)
> ~[jaxb-impl-2.3.3.jar:2.3.3]
> at
> org.apache.camel.converter.jaxb.FallbackTypeConverter.unmarshal(FallbackTypeConverter.java:298)
> ~[camel-jaxb-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.converter.jaxb.FallbackTypeConverter.unmarshall(FallbackTypeConverter.java:199)
> ~[camel-jaxb-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.converter.jaxb.FallbackTypeConverter.convertTo(FallbackTypeConverter.java:129)
> ~[camel-jaxb-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.converter.jaxb.FallbackTypeConverterLoader.lambda$registerFallbackConverters$0(FallbackTypeConverterLoader.java:44)
> ~[camel-jaxb-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.support.SimpleTypeConverter.convertTo(SimpleTypeConverter.java:101)
> ~[camel-support-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.converter.CoreTypeConverterRegistry.doConvertTo(CoreTypeConverterRegistry.java:516)
> ~[camel-base-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.converter.CoreTypeConverterRegistry.doConvertTo(CoreTypeConverterRegistry.java:356)
> ~[camel-base-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.impl.converter.CoreTypeConverterRegistry.mandatoryConvertTo(CoreTypeConverterRegistry.java:272)
> ~[camel-base-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> at
> org.apache.camel.support.MessageSupport.getMandatoryBody(MessageSupport.java:123)
> ~[camel-support-3.15.0-SNAPSHOT.jar:3.15.0-SNAPSHOT]
> {code}
>
>
> After a deeper investigation, it appears that it occurs because the datatype
> of the message is lost after been copied by the ProcessorValidator such that
> it ends up trying to convert a json payload with the JAXB fallback type
> converter which fails with the previous error.
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