exception iterator problem

FATAL [org.apache.camel.component.file.remote.FtpConsumer:CamelThread 4]   - <Consumer Consumer[myFtpEndpointURI] could not poll endpoint: myFtpEndpointURI caused by: org/apache/camel/util/ObjectHelper$ExceptionIterator>
java.lang.NoClassDefFoundError: org/apache/camel/util/ObjectHelper$ExceptionIterator
        at org.apache.camel.util.ObjectHelper.createExceptionIterator(ObjectHelper.java:1158)
        at org.apache.camel.processor.exceptionpolicy.DefaultExceptionPolicyStrategy.createExceptionIterator(DefaultExceptionPolicyStrategy.java:205)
        at org.apache.camel.processor.exceptionpolicy.DefaultExceptionPolicyStrategy.getExceptionPolicy(DefaultExceptionPolicyStrategy.java:65)
        at org.apache.camel.processor.ErrorHandlerSupport.getExceptionPolicy(ErrorHandlerSupport.java:84)
        at org.apache.camel.processor.RedeliveryErrorHandler.handleException(RedeliveryErrorHandler.java:270)
        at org.apache.camel.processor.RedeliveryErrorHandler.processErrorHandler(RedeliveryErrorHandler.java:101)
        at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:89)
        at org.apache.camel.processor.DefaultErrorHandler.process(DefaultErrorHandler.java:49)
        at org.apache.camel.processor.DefaultChannel.process(DefaultChannel.java:228)
        at org.apache.camel.processor.Pipeline.process(Pipeline.java:75)
        at org.apache.camel.processor.UnitOfWorkProcessor.processNext(UnitOfWorkProcessor.java:70)
        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.file.GenericFileConsumer.processExchange(GenericFileConsumer.java:269)
        at org.apache.camel.component.file.GenericFileConsumer.processBatch(GenericFileConsumer.java:137)
        at org.apache.camel.component.file.GenericFileConsumer.poll(GenericFileConsumer.java:103)
        at org.apache.camel.impl.ScheduledPollConsumer.run(ScheduledPollConsumer.java:98)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:181)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:205)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:619)