NullPointerException when unmarshalling using serialization data format
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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
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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