Hello
Occasionally, we have a WARNING into our camel project.
We are using disruptor queue implementation
what should it be? Is it an error or warning message? is it dangerous?
we cannot reproduce it programmatically!
Thanks
2018-12-16 19:13:44,638 WARN
[org.apache.camel.component.disruptor.SynchronizedExchange] - <Exception
occurred during onCompletion. This exception will be ignored.> ()
java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextNode(HashMap.java:1442)
at java.util.HashMap$EntryIterator.next(HashMap.java:1476)
at java.util.HashMap$EntryIterator.next(HashMap.java:1474)
at java.util.HashMap.putMapEntries(HashMap.java:512)
at java.util.HashMap.putAll(HashMap.java:785)
at
org.apache.camel.util.ExchangeHelper.copyResults(ExchangeHelper.java:379)
at
org.apache.camel.component.disruptor.SingleConsumerSynchronizedExchange.consumed(SingleConsumerSynchronizedExchange.java:33)
at
org.apache.camel.component.disruptor.DisruptorConsumer$2.onComplete(DisruptorConsumer.java:164)
at
org.apache.camel.util.UnitOfWorkHelper.doneSynchronizations(UnitOfWorkHelper.java:104)
at
org.apache.camel.component.disruptor.AbstractSynchronizedExchange.performSynchronization(AbstractSynchronizedExchange.java:55)
at
org.apache.camel.component.disruptor.SingleConsumerSynchronizedExchange.consumed(SingleConsumerSynchronizedExchange.java:35)
at
org.apache.camel.component.disruptor.DisruptorConsumer$2.onComplete(DisruptorConsumer.java:164)
at
org.apache.camel.util.UnitOfWorkHelper.doneSynchronizations(UnitOfWorkHelper.java:104)
at
org.apache.camel.impl.DefaultUnitOfWork.done(DefaultUnitOfWork.java:243)
at
org.apache.camel.util.UnitOfWorkHelper.doneUow(UnitOfWorkHelper.java:65)
at
org.apache.camel.processor.CamelInternalProcessor$UnitOfWorkProcessorAdvice.after(CamelInternalProcessor.java:685)
at
org.apache.camel.processor.CamelInternalProcessor$UnitOfWorkProcessorAdvice.after(CamelInternalProcessor.java:634)
at
org.apache.camel.processor.CamelInternalProcessor$InternalCallback.done(CamelInternalProcessor.java:251)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:127)
at
org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201)
at
org.apache.camel.component.disruptor.DisruptorConsumer.process(DisruptorConsumer.java:175)
at
org.apache.camel.component.disruptor.DisruptorConsumer.access$000(DisruptorConsumer.java:42)
at
org.apache.camel.component.disruptor.DisruptorConsumer$ConsumerEventHandler.onEvent(DisruptorConsumer.java:213)
at
org.apache.camel.component.disruptor.DisruptorConsumer$ConsumerEventHandler.onEvent(DisruptorConsumer.java:193)
at
com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:129)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
