Scala - error: not found: value SortedMap

先 IMPORT!!!!

scala> import scala.collection._
import scala.collection._

scala> SortedMap("2"->"jx","1"->"hxf","3"->"hl")
res0: scala.collection.SortedMap[String,String] = Map(1 -> hxf, 2 -> jx, 3 -> hl)

时间： 2024-11-06 19:12:17

Scala - error: not found: value SortedMap的相关文章

Beginning Scala study note(6) Scala Collections

Scala's object-oriented collections support mutable and immutable type hierarchies. Also support functional higher-order operations such as map, filter, and reduce that let you use expression-oriented programming in collections. Higher-order operatio

大数据常见错误

1.用./bin/spark-shell启动spark时遇到异常:java.net.BindException: Can't assign requested address: Service 'sparkDriver' failed after 16 retries! 解决方法:add export SPARK_LOCAL_IP="127.0.0.1" to spark-env.sh 2.java Kafka producer error:ERROR kafka.utils.Util

spark 编译遇到的错误及解决办法(五)

终端错误提示: Saving to outputFile=/usr/spark/spark-2.0.2/streaming/target/scalastyle-output.xml Processed 195 file(s) Found 101 errors 打开scalastyle-output.xml文件后,发现错误全是由scalastyle引起的,类似: <file name="/usr/spark/spark-2.0.2/streaming/src/main/scala/org/a

大数据常见错误解决方案（转载）

Learning Spark中文版--第三章--RDD编程（1）

? ?本章介绍了Spark用于数据处理的核心抽象概念,具有弹性的分布式数据集(RDD).一个RDD仅仅是一个分布式的元素集合.在Spark中,所有工作都表示为创建新的RDDs.转换现有的RDDs,或者调用RDDs上的操作来计算结果.在底层,Spark自动将数据中包含的数据分发到你的集群中,并将你对它们执行的操作进行并行化.数据科学家和工程师都应该阅读这一章,因为RDDs是Spark的核心概念.我们强烈建议你在这些例子中尝试一些交互式shell(参见"Spark的Python和Scala she

spark-maven打包报错

maven打包时报错: 报错信息: "D:\Program Files\Java\jdk1.8.0_131\bin\java" -Dmaven.multiModuleProjectDirectory=D:\Workspace\IDEA_work\Spark_Work\spark01\sparkCore "-Dmaven.home=D:\Program Files\JetBrains\IntelliJ IDEA 2017.3.1\plugins\maven\lib\maven3

scala 2.11报错error: not found: type Application

FROM: http://j-q-j.org/scala/scala-2-11-application-error.html 这两天学习scala,官网下载的最新版本2.11,书用的是<Programming in scala>,看到类和对象,这一章最后一段代码 1 2 3 4 5 import ChecksumAccumulator.calculate object FallWinterSpringSummer extends Application { for (season <

[ERROR] error: error while loading <root>, error in opening zip file error: scala.reflect.internal.MissingRequirementError: object scala.runtime in compiler mirror not found.

在家编译一个Apache的开源项目,在编译时遇到错误如下: error: error while loading <root>, error in opening zip file [ERROR] error: error while loading <root>, error in opening zip file error: scala.reflect.internal.MissingRequirementError: object scala.runtime in comp

Scala Java Error: value filter is not a member of *

错误字符串 Scala Java Error: value filter is not a member of * 解决办法在代码中引入下面名字空间 import collection.JavaConversions._