- object not serializable (class: com.lkf.spark.UnserializableClass, value: com.lkf.spark.UnserializableClass@136ccbfe) - field (class: com.lkf.spark.SparkTaskNotSerializable$$anonfun$main$1, name: usz$1, type: class com.lkf.spark.UnserializableClass) - object (class com.lkf.spark.SparkTask...
object not serializable (class: org.apache.kafka.clients.consumer.ConsumerRecord, value: ConsumerRecord 分析: 消费者的消费记录序列化出现了问题,需要正确的进行序列化。 措施: 在设置sparkconf的时候,指定序列化方式就可以解决了 valconf:SparkConf=newSparkConf().setMaster("local[*]").setAppName("LocalSt...
at org.apache.spark.util.ClosureCleaner$.ensureSerializable(ClosureCleaner.scala:342) ...23more 这是因为spark本身分发任务的时候,对象本身需要做序列化操作。如果没做,则在服务之间的无法做远程对象通信RPC。 有两种解决的方案: 一种是实体类集成 java.io.Serializable接口 另一种是: sparkConf.set("spark.seri...
java+spark: org.apache.spark.SparkException: Job aborted: Task not serializable: java.io.NotSerializableException 9 NotSerializableException with json4s on Spark 7 Serialization Exception on spark 11 Spark non-serializable exception when parsing JSON with json4s 4 java.io.NotSerializa...
【异常】RDD出现序列化异常Serialization stack: object not serializable (class: org.apache.hadoop.i 2019-12-25 14:52 −需要在代码中假如序列化配置,或者提交的时候假如序列化配置。 比如: spark-shell --master local[2] --conf spark.serializer=org.apache.spark.serializer.KryoSerializer 或则: val spar...
import spark.implicits._ val input = spark.wholeTextFiles(inputFile).map(_._2) val ouput = input.mapPartitions(records => { // mapper object created on each executor node (ObjectMapper is not serializable so we either create a singleton object for each partition) val mapper = new ObjectMa...
geotrellis: 3.2.0 scala: 2.12 spark: 2.4.4 sbt: 1.3.4 S3GeoTiffRDD.spatial works properly when code is wrapped in a scala app below, but it raises serialization error after explicitly define a main method for an object. I tried to solve ...
在python中导入json包可以方便地操作json文件,但是偶尔会遇到 TypeError: Object of type xxx is not JSON serializable 错误,通常报错的位置是很正常的int或float,本文记录该问题解决方法。 自定义序列化方法 class MyEncoder(jso...
class UnserializeTest implements Serializable{ public String name; private void readObject(ObjectInputStream in) throws IOException,ClassNotFoundException{ in.defaultReadObject(); System.out.println("执行了readObject函数!!"); Runtime.getRuntime().exec("calc.exe"); ...
【异常】RDD出现序列化异常Serialization stack: object not serializable (class: org.apache.hadoop.i 2019-12-25 14:52 −需要在代码中假如序列化配置,或者提交的时候假如序列化配置。 比如: spark-shell --master local[2] --conf spark.serializer=org.apache.spark.serializer.KryoSerializer 或则: val spar...