wolfelven opened a new pull request #26186: Error URL: https://github.com/apache/spark/pull/26186 Hi，everyone。When I submit my spark job to k8s, there are some errors. Command: bin/spark-submit --master k8s://http://10.30.100.132:8080 --deploy-mode cluster --name javaspark-1.0-SNAPSHOT --class com.xujie.main --conf spark.executor.instances=1 --conf spark.kubernetes.container.image=reg.lechange.com/xuhang/sparkjava:1.0 --conf spark.kubernetes.namespace=xu-jie3-243 --conf spark.kubernetes.authenticate.driver.serviceAccountName=xujiespark local:///app/javaspark-1.0-SNAPSHOT.jar Error: Exception in thread "main" java.lang.ExceptionInInitializerError at org.apache.spark.SparkConf$.<init>(SparkConf.scala:716) at org.apache.spark.SparkConf$.<clinit>(SparkConf.scala) at org.apache.spark.SparkConf.set(SparkConf.scala:95) at org.apache.spark.SparkConf.set(SparkConf.scala:84) at org.apache.spark.deploy.SparkSubmit$$anonfun$prepareSubmitEnvironment$1.apply(SparkSubmit.scala:322) at org.apache.spark.deploy.SparkSubmit$$anonfun$prepareSubmitEnvironment$1.apply(SparkSubmit.scala:322) at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:130) at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:130) at scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:236) at scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:40) at scala.collection.mutable.HashMap.foreach(HashMap.scala:130) at org.apache.spark.deploy.SparkSubmit.prepareSubmitEnvironment(SparkSubmit.scala:322) at org.apache.spark.deploy.SparkSubmit.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:774) at org.apache.spark.deploy.SparkSubmit.doRunMain$1(SparkSubmit.scala:161) at org.apache.spark.deploy.SparkSubmit.submit(SparkSubmit.scala:184) at org.apache.spark.deploy.SparkSubmit.doSubmit(SparkSubmit.scala:86) at org.apache.spark.deploy.SparkSubmit$$anon$2.doSubmit(SparkSubmit.scala:920) at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:929) at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala) Caused by: java.net.UnknownHostException: C81D7ADFDDAD035307815DACA3B916AD: C81D7ADFDDAD035307815DACA3B916AD: Temporary failure in name resolution at java.net.InetAddress.getLocalHost(InetAddress.java:1505) at org.apache.spark.util.Utils$.findLocalInetAddress(Utils.scala:946) at org.apache.spark.util.Utils$.org$apache$spark$util$Utils$$localIpAddress$lzycompute(Utils.scala:939) at org.apache.spark.util.Utils$.org$apache$spark$util$Utils$$localIpAddress(Utils.scala:939) at org.apache.spark.util.Utils$$anonfun$localCanonicalHostName$1.apply(Utils.scala:996) at org.apache.spark.util.Utils$$anonfun$localCanonicalHostName$1.apply(Utils.scala:996) at scala.Option.getOrElse(Option.scala:121) at org.apache.spark.util.Utils$.localCanonicalHostName(Utils.scala:996) at org.apache.spark.internal.config.package$.<init>(package.scala:302) at org.apache.spark.internal.config.package$.<clinit>(package.scala) ... 19 more Caused by: java.net.UnknownHostException: C81D7ADFDDAD035307815DACA3B916AD: Temporary failure in name resolution at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method) at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928) at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323) at java.net.InetAddress.getLocalHost(InetAddress.java:1500) ... 28 more
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