它首先是根据堆栈信息(Thread.currentThread.getStackTrace)找出调用者的名字,比如 map, textFile, reduceByKey 等等,然后在 SparkContext 的属性 "spark.rdd.scope" 中新建了一个属性 RDDOperationScope(name: String, parent: RDDOperationScope),用来记录当前的运行 RDD 信息。其中 parent 可以用来追溯到所有 RDD ...
到那里一切正常,然后我尝试 sc.parallelize(Array(1,2,3)) // and I get: java.lang.NoClassDefFoundError: Could not initialize class org.apache.spark.rdd.RDDOperationScope$ 我该如何解决? 也许你错过了下面的lib。 <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databin...
Cause: com.fasterxml.jackson.databind.JsonMappingException: Incompatible Jackson version: 2.9.8 ...
com.fasterxml.jackson.databind.ObjectMapper.writeValueAsString(ObjectMapper.java:2268) at org.apache.spark.rdd.RDDOperationScope.toJson(RDDOperationScope.scala:51) at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:124) at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDO...
Up to there everything works fine, then I try sc.parallelize(Array(1,2,3)) // and I get: java.lang.NoClassDefFoundError: Could not initialize class org.apache.spark.rdd.RDDOperationScope$ How do I fix this? 也许你错过了下面的lib。
Hi, I'm getting this error in incubator-zeppellin: com.fasterxml.jackson.databind.JsonMappingException: Could not find creator property with name 'id' (in class org.apache.spark.rdd.RDDOperationScope) at [Source: {"id":"0","name":"textFi...