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https://issues.apache.org/jira/browse/SPARK-14020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sean Owen resolved SPARK-14020.
-------------------------------
Resolution: Not A Problem
> VerifyError occurs after commit-6c2d894 in a Standalone cluster
> ---------------------------------------------------------------
>
> Key: SPARK-14020
> URL: https://issues.apache.org/jira/browse/SPARK-14020
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.0.0
> Environment: Spark 2.0-SNAPSHOT(6c2d894)
> Single Rack
> Standalone mode scheduling
> 8 node cluster
> 16 cores & 64G RAM / node
> Data Replication factor of 3
> Each Node has 1 Spark executors configured with 16 cores each and 40GB of RAM.
> Reporter: Ernest
> Priority: Minor
>
> In a standalone cluster with several nodes, "java.lang.VerifyError: Cannot
> inherit from final class" occurs when submitting an application.
> below is the stacktrace:
> 16/03/19 15:17:49 INFO SparkEnv: Registering MapOutputTracker
> 16/03/19 15:17:49 INFO SparkEnv: Registering BlockManagerMaster
> Exception in thread "main" java.lang.VerifyError: Cannot inherit from final
> class
> at java.lang.ClassLoader.defineClass1(Native Method)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
> at
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
> at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
> at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
> at org.apache.spark.SparkEnv$.create(SparkEnv.scala:333)
> at org.apache.spark.SparkEnv$.createDriverEnv(SparkEnv.scala:180)
> at
> org.apache.spark.SparkContext.createSparkEnv(SparkContext.scala:262)
> at org.apache.spark.SparkContext.<init>(SparkContext.scala:424)
> at
> org.apache.spark.examples.SparkPageRank$.main(SparkPageRank.scala:55)
> at org.apache.spark.examples.SparkPageRank.main(SparkPageRank.scala)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:736)
> at
> org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:183)
> at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:208)
> at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:122)
> at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
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