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https://issues.apache.org/jira/browse/CAMEL-4449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13107140#comment-13107140
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Vadim TSes'ko edited comment on CAMEL-4449 at 9/17/11 7:26 PM:
---------------------------------------------------------------
My message body class implements {{Serializable}}. It has Scala
{{Tuple2[String, java.util.List[String]]}} type.
was (Author: incubos):
My message body class implements serializable. It is Scala Tuple2[String,
java.util.List[String]].
> NullPointerException when unmarshalling using serialization data format
> -----------------------------------------------------------------------
>
> Key: CAMEL-4449
> URL: https://issues.apache.org/jira/browse/CAMEL-4449
> Project: Camel
> Issue Type: Bug
> Components: camel-core
> Affects Versions: 2.8.0
> Environment: MacOS X 10.6.8
> Java 1.6.0_26
> Apache Camel 2.8.0
> Consuming from remote Kestrel queue (XStream marshalling/unmarshalling works
> just fine)
> Reporter: Vadim TSes'ko
> Assignee: Claus Ibsen
> Fix For: 2.8.2, 2.9.0
>
>
> Spring configuration:
> {code:xml}
> <!-- A custom CamelContext -->
> <camel:camelContext id="camel">
> <!-- JSON data format marshalling -->
> <camel:dataFormats>
> <camel:serialization id="serialization"/>
> </camel:dataFormats>
> <!-- RawOffer input route -->
> <camel:route>
> <camel:from uri="kestrel://etl01f/feeds"/>
> <camel:unmarshal ref="serialization"/>
> <camel:to uri="bean:shard?method=consume"/>
> </camel:route>
> </camel:camelContext>
> {code}
> Exception:
> {code:java}
> run:
> [java] log4j:WARN No appenders could be found for logger
> (org.springframework.context.support.ClassPathXmlApplicationContext).
> [java] log4j:WARN Please initialize the log4j system properly.
> [java] log4j:WARN See
> http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
> [java] 13:28:07.587 [main] INFO o.a.c.s.h.CamelNamespaceHandler - OSGi
> environment not detected.
> [java] 13:28:09.028 [main] INFO o.a.camel.spring.SpringCamelContext -
> Apache Camel 2.8.0 (CamelContext: camel) is starting
> [java] 13:28:09.028 [main] INFO o.a.camel.spring.SpringCamelContext -
> JMX enabled. Using ManagedManagementStrategy.
> [java] 13:28:09.415 [main] INFO o.a.c.i.c.AnnotationTypeConverterLoader
> - Found 3 packages with 14 @Converter classes to load
> [java] 13:28:09.489 [main] INFO o.a.c.i.c.DefaultTypeConverter - Loaded
> 153 core type converters (total 153 type converters)
> [java] 13:28:09.528 [main] INFO o.a.c.i.c.DefaultTypeConverter - Loaded
> additional 0 type converters (total 153 type converters) in 0.003 seconds
> [java] 13:28:09.730 [main] INFO o.a.c.c.kestrel.KestrelComponent -
> Creating endpoint for queue "feeds" on etl01f, parameters={}
> [java] 13:28:09.967 [main] INFO o.a.c.c.kestrel.KestrelComponent -
> Creating MemcachedClient for etl01f/feeds
> [java] 2011-09-14 13:28:10.073 INFO
> net.spy.memcached.MemcachedConnection: Added {QA
> sa=etl01f/95.108.229.218:22133, #Rops=0, #Wops=0, #iq=0, topRop=null,
> topWop=null, toWrite=0, interested=0} to connect queue
> [java] 2011-09-14 13:28:10.084 INFO
> net.spy.memcached.MemcachedConnection: Connection state changed for
> sun.nio.ch.SelectionKeyImpl@711b50a1
> [java] 13:28:10.293 [main] INFO o.a.c.c.kestrel.KestrelConsumer -
> Starting consumer for kestrel://etl01f/feeds
> [java] 13:28:10.302 [main] INFO o.a.camel.spring.SpringCamelContext -
> Route: route1 started and consuming from: Endpoint[kestrel://etl01f/feeds]
> [java] 13:28:10.318 [main] INFO o.a.camel.spring.SpringCamelContext -
> Total 1 routes, of which 1 is started.
> [java] 13:28:10.318 [main] INFO o.a.camel.spring.SpringCamelContext -
> Apache Camel 2.8.0 (CamelContext: camel) started in 1.291 seconds
> [java] 13:28:12.858 [Camel (camel) thread #0 -
> Poller-kestrel://etl01f/feeds] ERROR o.a.c.processor.DefaultErrorHandler -
> Failed delivery for exchangeId: ID-incubos-osx-local-51787-1315992488896-0-1.
> Exhausted after delivery attempt: 1 caught: java.lang.NullPointerException
> [java] java.lang.NullPointerException: null
> [java] at
> org.apache.camel.impl.SerializationDataFormat.unmarshal(SerializationDataFormat.java:57)
> ~[camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.processor.UnmarshalProcessor.process(UnmarshalProcessor.java:56)
> ~[camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.impl.converter.AsyncProcessorTypeConverter$ProcessorToAsyncProcessorBridge.process(AsyncProcessorTypeConverter.java:50)
> ~[camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:78)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.processor.DelegateAsyncProcessor.processNext(DelegateAsyncProcessor.java:98)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:89)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:69)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:78)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.processor.DelegateAsyncProcessor.processNext(DelegateAsyncProcessor.java:98)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:89)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.processor.interceptor.TraceInterceptor.process(TraceInterceptor.java:99)
> ~[camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:78)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.processor.RedeliveryErrorHandler.processErrorHandler(RedeliveryErrorHandler.java:318)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:209)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.processor.DefaultChannel.process(DefaultChannel.java:305)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:78)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.processor.Pipeline.process(Pipeline.java:116)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.processor.Pipeline.process(Pipeline.java:79)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.processor.UnitOfWorkProcessor.process(UnitOfWorkProcessor.java:102)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:78)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.processor.DelegateAsyncProcessor.processNext(DelegateAsyncProcessor.java:98)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:89)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:69)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:104)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:85)
> [camel-core-2.8.0.jar:2.8.0]
> [java] at
> org.apache.camel.component.kestrel.KestrelConsumer$Poller.run(KestrelConsumer.java:230)
> [camel-kestrel-2.8.0.jar:2.8.0]
> [java] at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> [na:1.6.0_26]
> [java] at
> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> [na:1.6.0_26]
> [java] at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> [na:1.6.0_26]
> [java] at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> [na:1.6.0_26]
> [java] at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> [na:1.6.0_26]
> [java] at java.lang.Thread.run(Thread.java:680) [na:1.6.0_26]
> {code}
> It seems that {{ExchangeHelper.convertToType()}} method returned {{null}}
> because {{camelContext.getTypeConverter()}} returned {{null}}.
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