有谁知道两个火花核心工件之间的区别？两者都支持Spark达到1.5.1版.但是,在我的Java应用程序中使用spark-core_2.11并尝试使用spark url(spark:// masterIP:Port)连接到独立集群(Spark-1.5.1)时,我最终会遇到相同的错误.
WARN ReliableDeliverySupervisor: Association with remote system [akka.tcp://sparkMaster@192.168.188.20:7077] has failed, address is now gated for [5000] ms. Reason: [Disassociated]
ERROR SparkUncaughtExceptionHandler: Uncaught exception in thread Thread[appclient-registration-retry-thread,5,main]
Master还在其日志中记录兼容性问题:
ERROR Remoting: org.apache.spark.deploy.DeployMessages$RegisterApplication; local class incompatible: stream classdesc serialVersionUID = 352674063933172066, local class serialVersionUID = -5495080032843259921
java.io.InvalidClassException: org.apache.spark.deploy.DeployMessages$RegisterApplication; local class incompatible: stream classdesc serialVersionUID = 352674063933172066, local class serialVersionUID = -5495080032843259921
at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:621)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1623)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1518)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1774)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
at akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
at akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
at akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) …