Hi

BTW why are you using a timer -> ftp when the ftp have a build in timer?



On Fri, Nov 27, 2009 at 12:55 PM, shirazi <m...@farhad.eu> wrote:
>
> Hi,
> Please consider the following route:
>
> from("timer://someTrigger?delay=30000&fixedRate=true&period=300000").
> pollEnrich("ftp://cmoreFtp?binary=true&localWorkDirectory=/tmp&idempotent=true&idempotentRepository=#caStreams";,
> 10000).
> to("file:///tmp/vw/cmore?tempPrefix=.inprogress");
>
> The pollEnrich cast a NullPointerException in camel-2.0, if there is nothing
> to fetch from the ftp. I got rid of the exception by a
> "try-catch(NullpointerExcpetion.class).stop()" around the route. Now in
> camel-2.1-SNAPSHOT, I get the following exception on the "to" endpoint:
> =================
> 12:37:06,899 INFO  [Tracer] >>>  -->
> file:///tmp/vw/cmore?tempPrefix=.inprogress_, Pattern:InOnly,
> Headers:{firedTime=Fri Nov 27 12:36:56 CET 2009},
> Exception:org.apache.camel.component.file.GenericFileOperationFailedException:
> Cannot store file:
> /tmp/vw/cmore/.inprogress_02216f38-8ffc-4aec-b638-27229d857075
> 12:37:06,899 INFO  [Tracer] >>>  -->
> file:///tmp/vw/cmore?tempPrefix=.inprogress_, Pattern:InOnly,
> Headers:{firedTime=Fri Nov 27 12:36:56 CET 2009},
> Exception:org.apache.camel.component.file.GenericFileOperationFailedException:
> Cannot store file:
> /tmp/vw/cmore/.inprogress_02216f38-8ffc-4aec-b638-27229d857075
> 12:37:06,899 ERROR [TimerConsumer] Cannot store file:
> /tmp/vw/cmore/.inprogress_02216f38-8ffc-4aec-b638-27229d857075
> org.apache.camel.component.file.GenericFileOperationFailedException: Cannot
> store file: /tmp/vw/cmore/.inprogress_02216f38-8ffc-4aec-b638-27229d857075
>        at
> org.apache.camel.component.file.FileOperations.storeFile(FileOperations.java:204)
>        at
> org.apache.camel.component.file.GenericFileProducer.writeFile(GenericFileProducer.java:184)
>        at
> org.apache.camel.component.file.GenericFileProducer.processExchange(GenericFileProducer.java:126)
>        at
> org.apache.camel.component.file.GenericFileProducer.process(GenericFileProducer.java:57)
>        at
> org.apache.camel.processor.SendProcessor$1.doInProducer(SendProcessor.java:97)
>        at
> org.apache.camel.processor.SendProcessor$1.doInProducer(SendProcessor.java:95)
>        at 
> org.apache.camel.impl.ProducerCache.doInProducer(ProducerCache.java:146)
>        at
> org.apache.camel.processor.SendProcessor.doProcess(SendProcessor.java:94)
>        at 
> org.apache.camel.processor.SendProcessor.process(SendProcessor.java:82)
>        at
> org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:67)
>        at
> org.apache.camel.processor.DelegateProcessor.processNext(DelegateProcessor.java:53)
>        at
> org.apache.camel.processor.DelegateProcessor.proceed(DelegateProcessor.java:82)
>        at
> org.apache.camel.processor.interceptor.TraceInterceptor.process(TraceInterceptor.java:162)
>        at
> org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:67)
>        at
> org.apache.camel.processor.DefaultChannel.process(DefaultChannel.java:206)
>        at org.apache.camel.processor.Pipeline.process(Pipeline.java:74)
>        at 
> org.apache.camel.processor.TryProcessor.process(TryProcessor.java:63)
>        at
> org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:67)
>        at
> org.apache.camel.processor.DelegateProcessor.processNext(DelegateProcessor.java:53)
>        at
> org.apache.camel.processor.DelegateProcessor.proceed(DelegateProcessor.java:82)
>        at
> org.apache.camel.processor.interceptor.TraceInterceptor.process(TraceInterceptor.java:162)
>        at
> org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:67)
>        at
> org.apache.camel.processor.DefaultChannel.process(DefaultChannel.java:206)
>        at
> org.apache.camel.processor.UnitOfWorkProcessor.processNext(UnitOfWorkProcessor.java:54)
>        at
> org.apache.camel.processor.DelegateProcessor.process(DelegateProcessor.java:48)
>        at
> org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:67)
>        at
> org.apache.camel.component.timer.TimerConsumer.sendTimerExchange(TimerConsumer.java:103)
>        at
> org.apache.camel.component.timer.TimerConsumer$1.run(TimerConsumer.java:50)
>        at java.util.TimerThread.mainLoop(Timer.java:512)
>        at java.util.TimerThread.run(Timer.java:462)
> Caused by: org.apache.camel.InvalidPayloadException: No body available of
> type: java.io.InputStream on: Message: [Body is null]. Caused by: No type
> converter available to convert from type: null to the required type:
> java.io.InputStream with value null on the exchange: Exchange[Message: [Body
> is null]]
>        at
> org.apache.camel.impl.MessageSupport.getMandatoryBody(MessageSupport.java:103)
>        at
> org.apache.camel.util.ExchangeHelper.getMandatoryInBody(ExchangeHelper.java:116)
>        at
> org.apache.camel.component.file.FileOperations.storeFile(FileOperations.java:198)
>        ... 29 more
> Caused by: org.apache.camel.NoTypeConversionAvailableException: No type
> converter available to convert from type: null to the required type:
> java.io.InputStream with value null
>        at
> org.apache.camel.impl.converter.DefaultTypeConverter.mandatoryConvertTo(DefaultTypeConverter.java:126)
>        at
> org.apache.camel.impl.MessageSupport.getMandatoryBody(MessageSupport.java:101)
>        ... 31 more
> ============
> Now, I can remedy the situation by a try-catch block or an interceptor, but
> in my opinion this should be considered a bug in camel and it should
> silently ignore if there was nothing to fetch from the ftp.
>
> Bests,
> Farhad Shiraz
>
> --
> View this message in context: 
> http://old.nabble.com/camel-casts-exception-when-there-is-nothing-to-fetch-from-the-ftp-endpoint-tp26541447p26541447.html
> Sent from the Camel - Users mailing list archive at Nabble.com.
>
>



-- 
Claus Ibsen
Apache Camel Committer

Author of Camel in Action: http://www.manning.com/ibsen/
Open Source Integration: http://fusesource.com
Blog: http://davsclaus.blogspot.com/
Twitter: http://twitter.com/davsclaus

Reply via email to