spark实践遇到的问题

WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.apache.spark.unsafe.Platform (file:/usr/local/spark/jars/spark-unsafe_2.11-2.4.3.jar) to method java.nio.Bits.unaligned()
WARNING: Please consider reporting this to the maintainers of org.apache.spark.unsafe.Platform
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
Exception in thread "main" java.lang.ExceptionInInitializerError
	at org.apache.hadoop.util.StringUtils.(StringUtils.java:80)
	at org.apache.hadoop.fs.FileSystem$Cache$Key.(FileSystem.java:2823)
	at org.apache.hadoop.fs.FileSystem$Cache$Key.(FileSystem.java:2818)
	at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2684)
	at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:373)
	at org.apache.spark.deploy.DependencyUtils$.org$apache$spark$deploy$DependencyUtils$$resolveGlobPath(DependencyUtils.scala:191)
	at org.apache.spark.deploy.DependencyUtils$$anonfun$resolveGlobPaths$2.apply(DependencyUtils.scala:147)
	at org.apache.spark.deploy.DependencyUtils$$anonfun$resolveGlobPaths$2.apply(DependencyUtils.scala:145)
	at scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:241)
	at scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:241)
	at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
	at scala.collection.mutable.WrappedArray.foreach(WrappedArray.scala:35)
	at scala.collection.TraversableLike$class.flatMap(TraversableLike.scala:241)
	at scala.collection.AbstractTraversable.flatMap(Traversable.scala:104)
	at org.apache.spark.deploy.DependencyUtils$.resolveGlobPaths(DependencyUtils.scala:145)
	at org.apache.spark.deploy.SparkSubmit$$anonfun$prepareSubmitEnvironment$3.apply(SparkSubmit.scala:354)
	at org.apache.spark.deploy.SparkSubmit$$anonfun$prepareSubmitEnvironment$3.apply(SparkSubmit.scala:354)
	at scala.Option.map(Option.scala:146)
	at org.apache.spark.deploy.SparkSubmit.prepareSubmitEnvironment(SparkSubmit.scala:354)
	at org.apache.spark.deploy.SparkSubmit.submit(SparkSubmit.scala:143)
	at org.apache.spark.deploy.SparkSubmit.doSubmit(SparkSubmit.scala:86)
	at org.apache.spark.deploy.SparkSubmit$$anon$2.doSubmit(SparkSubmit.scala:924)
	at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:933)
	at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
Caused by: java.lang.StringIndexOutOfBoundsException: begin 0, end 3, length 1
	at java.base/java.lang.String.checkBoundsBeginEnd(String.java:3116)
	at java.base/java.lang.String.substring(String.java:1885)
	at org.apache.hadoop.util.Shell.(Shell.java:52)
	... 24 more

问题原因，jdk9中对于spark兼容的问题，用jdk8就可以了