cannot access class sun.nio.ch.DirectBuffer (in module java.base) because module java.base does not

JDK21 Spark3.5.0

Use JDK21 for spark development
Startup code appears
Exception in thread "main" java.lang.IllegalAccessError: class org.apache.spark.storage.StorageUtils$ (in unnamed module @0x461ad730) cannot access class sun.nio.ch.DirectBuffer (in module java.base) because module java.base does not export sun.nio.ch to unnamed module @0x461ad730
Error message
Need to be set in environment variables a>JAVA_OPT and JAVA_TOOL_OPTIONS are--add-exports=java.base/sun.nio.ch=ALL-UNNAMED

Exception in thread "main" java.lang.IllegalAccessError: class org.apache.spark.storage.StorageUtils$ (in unnamed module @0x461ad730) cannot access class sun.nio.ch.DirectBuffer (in module java.base) because module java.base does not export sun.nio.ch to unnamed module @0x461ad730
	at org.apache.spark.storage.StorageUtils$.<clinit>(StorageUtils.scala:213)
	at org.apache.spark.storage.BlockManagerMasterEndpoint.<init>(BlockManagerMasterEndpoint.scala:121)
	at org.apache.spark.SparkEnv$.$anonfun$create$9(SparkEnv.scala:358)
	at org.apache.spark.SparkEnv$.registerOrLookupEndpoint$1(SparkEnv.scala:295)
	at org.apache.spark.SparkEnv$.create(SparkEnv.scala:344)
	at org.apache.spark.SparkEnv$.createDriverEnv(SparkEnv.scala:196)
	at org.apache.spark.SparkContext.createSparkEnv(SparkContext.scala:284)
	at org.apache.spark.SparkContext.<init>(SparkContext.scala:483)
	at com.lihaozhe.course01.ScalaDemo01$.main(ScalaDemo01.scala:20)
	at com.lihaozhe.course01.ScalaDemo01.main(ScalaDemo01.scala)

spark
environment variables
environment variables
environment variables
environment variables
environment variables

idea
idea

everything is normal

Picked up JAVA_TOOL_OPTIONS: --add-exports=java.base/sun.nio.ch=ALL-UNNAMED
Using Spark's default log4j profile: org/apache/spark/log4j2-defaults.properties

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Origin blog.csdn.net/qq_24330181/article/details/134851945