While Connecting to kerberos hadoop cluster from the api deployed on tomcat to upload file to the hdfs, I am getting the above error. The keytab file is working fine on the cluster. I am able to Kinit and read the files in hdfs. Also the details in the krb5.conf is also as per the requirements. Default realm and all other required details are present in krb5.conf
Stack trace is,
Exception in thread "main" java.util.ServiceConfigurationError: org.apache.hadoop.security.token.TokenIdentifier: Provider org.apache.hadoop.yarn.security.DockerCredentialTokenIdentifier not found
at java.util.ServiceLoader.fail(ServiceLoader.java:239)
at java.util.ServiceLoader.access$300(ServiceLoader.java:185)
at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:372)
at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:404)
at java.util.ServiceLoader$1.next(ServiceLoader.java:480)
at org.apache.hadoop.security.token.Token.getClassForIdentifier(Token.java:117)
at org.apache.hadoop.security.token.Token.decodeIdentifier(Token.java:138)
at org.apache.spark.deploy.security.HadoopFSDelegationTokenProvider$$anonfun$getTokenRenewalInterval$1$$anonfun$4.apply(HadoopFSDelegationTokenProvider.scala:116)
at org.apache.spark.deploy.security.HadoopFSDelegationTokenProvider$$anonfun$getTokenRenewalInterval$1$$anonfun$4.apply(HadoopFSDelegationTokenProvider.scala:116)
at scala.collection.TraversableLike$$anonfun$filterImpl$1.apply(TraversableLike.scala:248)
at scala.collection.Iterator$class.foreach(Iterator.scala:891)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1334)
at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
at scala.collection.TraversableLike$class.filterImpl(TraversableLike.scala:247)
at scala.collection.TraversableLike$class.filter(TraversableLike.scala:259)
at scala.collection.AbstractTraversable.filter(Traversable.scala:104)
at org.apache.spark.deploy.security.HadoopFSDelegationTokenProvider$$anonfun$getTokenRenewalInterval$1.apply(HadoopFSDelegationTokenProvider.scala:115)
at org.apache.spark.deploy.security.HadoopFSDelegationTokenProvider$$anonfun$getTokenRenewalInterval$1.apply(HadoopFSDelegationTokenProvider.scala:111)
at scala.Option.flatMap(Option.scala:171)
at org.apache.spark.deploy.security.HadoopFSDelegationTokenProvider.getTokenRenewalInterval(HadoopFSDelegationTokenProvider.scala:111)
at org.apache.spark.deploy.security.HadoopFSDelegationTokenProvider.obtainDelegationTokens(HadoopFSDelegationTokenProvider.scala:53)
at org.apache.spark.deploy.security.HadoopDelegationTokenManager$$anonfun$obtainDelegationTokens$2.apply(HadoopDelegationTokenManager.scala:132)
at org.apache.spark.deploy.security.HadoopDelegationTokenManager$$anonfun$obtainDelegationTokens$2.apply(HadoopDelegationTokenManager.scala:130)
at scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:241)
at scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:241)
at scala.collection.Iterator$class.foreach(Iterator.scala:891)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1334)
at scala.collection.MapLike$DefaultValuesIterable.foreach(MapLike.scala:206)
at scala.collection.TraversableLike$class.flatMap(TraversableLike.scala:241)
at scala.collection.AbstractTraversable.flatMap(Traversable.scala:104)
at org.apache.spark.deploy.security.HadoopDelegationTokenManager.obtainDelegationTokens(HadoopDelegationTokenManager.scala:130)
at org.apache.spark.deploy.yarn.security.YARNHadoopDelegationTokenManager.obtainDelegationTokens(YARNHadoopDelegationTokenManager.scala:59)
at org.apache.spark.deploy.yarn.Client.setupSecurityToken(Client.scala:309)
at org.apache.spark.deploy.yarn.Client.createContainerLaunchContext(Client.scala:1013)
at org.apache.spark.deploy.yarn.Client.submitApplication(Client.scala:178)
at org.apache.spark.deploy.yarn.Client.run(Client.scala:1134)
at org.apache.spark.deploy.yarn.YarnClusterApplication.start(Client.scala:1526)
at org.apache.spark.deploy.SparkSubmit.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:849)
at org.apache.spark.deploy.SparkSubmit.doRunMain$1(SparkSubmit.scala:167)
at org.apache.spark.deploy.SparkSubmit.submit(SparkSubmit.scala:195)
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)