我正在使用 Intellij 使用 Scala 语言开发我的 Spark 应用程序。在运行代码时，此错误会在终端中抛出。我在 built.sbt 中的 Scala 版本是 2.11.8。我的 Java 版本是 1.8.0_231
我尝试将我的 Java 版本从 13 降级到 Java 8。
19/11/02 09:31:25 INFO SparkContext: Running Spark version 2.2.0
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.apache.hadoop.security.authentication.util.KerberosUtil (file:/C:/Users/iraja/AppData/Local/Coursier/cache/v1/https/repo1.maven.org/maven2/org/apache/hadoop/hadoop-auth/2.6.5/hadoop-auth-2.6.5.jar) to method sun.security.krb5.Config.getInstance()
WARNING: Please consider reporting this to the maintainers of org.apache.hadoop.security.authentication.util.KerberosUtil
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
19/11/02 09:31:26 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Exception in thread "main" java.lang.ExceptionInInitializerError
at org.apache.hadoop.util.StringUtils.<clinit>(StringUtils.java:79)
at org.apache.hadoop.security.Groups.parseStaticMapping(Groups.java:116)
at org.apache.hadoop.security.Groups.<init>(Groups.java:93)
at org.apache.hadoop.security.Groups.<init>(Groups.java:73)
at org.apache.hadoop.security.Groups.getUserToGroupsMappingService(Groups.java:293)
at org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:283)
at org.apache.hadoop.security.UserGroupInformation.ensureInitialized(UserGroupInformation.java:260)
at org.apache.hadoop.security.UserGroupInformation.loginUserFromSubject(UserGroupInformation.java:789)
at org.apache.hadoop.security.UserGroupInformation.getLoginUser(UserGroupInformation.java:774)
at org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:647)
at org.apache.spark.util.Utils$$anonfun$getCurrentUserName$1.apply(Utils.scala:2430)
at org.apache.spark.util.Utils$$anonfun$getCurrentUserName$1.apply(Utils.scala:2430)
at scala.Option.getOrElse(Option.scala:121)
at org.apache.spark.util.Utils$.getCurrentUserName(Utils.scala:2430)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:295)
at sparkrdd.RDDTempData$.main(RDDTempData.scala:9)
at sparkrdd.RDDTempData.main(RDDTempData.scala)
Caused by: java.lang.StringIndexOutOfBoundsException: begin 0, end 3, length 2
at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3720)
at java.base/java.lang.String.substring(String.java:1909)
at org.apache.hadoop.util.Shell.<clinit>(Shell.java:50)
... 17 more
Process finished with exit code 1