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Posted to dev@camel.apache.org by "Claus Ibsen (JIRA)" <ji...@apache.org> on 2011/09/17 13:25:09 UTC
[jira] [Resolved] (CAMEL-4449) NullPointerException when
unmarshalling using serialization data format
[ https://issues.apache.org/jira/browse/CAMEL-4449?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Claus Ibsen resolved CAMEL-4449.
--------------------------------
Resolution: Fixed
Fix Version/s: 2.8.2
Assignee: Claus Ibsen
Fixed the potential NPE
> 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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