Hi, we are getting the following error on one of our producers, does the
stack trace ring any bells for anyone?
2015-05-28 20:27:44 GMT - Failed to send messages
java.lang.IncompatibleClassChangeError
at
scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
at scala.collection.mutable.WrappedArray.foreach(WrappedArray.scala:33)
at scala.collection.TraversableLike$class.map(TraversableLike.scala:233)
at scala.collection.mutable.HashMap.map(HashMap.scala:45)
at
kafka.producer.async.DefaultEventHandler.kafka$producer$async$DefaultEventHandler$$groupMessagesToSet(DefaultEventHandler.scala:301)
at
kafka.producer.async.DefaultEventHandler$$anonfun$dispatchSerializedData$2.apply(DefaultEventHandler.scala:104)
at
kafka.producer.async.DefaultEventHandler$$anonfun$dispatchSerializedData$2.apply(DefaultEventHandler.scala:100)
at
scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:95)
at
scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:95)
at scala.collection.Iterator$class.foreach(Iterator.scala:772)
at
scala.collection.mutable.HashTable$$anon$1.foreach(HashTable.scala:157)
at
scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:190)
at scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:45)
at scala.collection.mutable.HashMap.foreach(HashMap.scala:95)
at
kafka.producer.async.DefaultEventHandler.dispatchSerializedData(DefaultEventHandler.scala:100)
at
kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:72)
at kafka.producer.Producer.send(Producer.scala:76)
at kafka.javaapi.producer.Producer.send(Producer.scala:33)
