Hadoop security GroupMappingServiceProvider exception for Spark job via Dataproc API

Question

I am trying to run a Spark job on a google dataproc cluster, but get the following error:

Exception in thread "main" java.lang.RuntimeException: java.lang.RuntimeException: class org.apache.hadoop.security.JniBasedUnixGroupsMapping not org.apache.hadoop.security.GroupMappingServiceProvider
    at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2330)
    at org.apache.hadoop.security.Groups.<init>(Groups.java:108)
    at org.apache.hadoop.security.Groups.<init>(Groups.java:102)
    at org.apache.hadoop.security.Groups.getUserToGroupsMappingService(Groups.java:450)
    at org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:310)
    at org.apache.hadoop.security.UserGroupInformation.ensureInitialized(UserGroupInformation.java:277)
    at org.apache.hadoop.security.UserGroupInformation.loginUserFromSubject(UserGroupInformation.java:833)
    at org.apache.hadoop.security.UserGroupInformation.getLoginUser(UserGroupInformation.java:803)
    at org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:676)
    at org.apache.spark.util.Utils$$anonfun$getCurrentUserName$1.apply(Utils.scala:2430)
    at org.apache.spark.util.Utils$$anonfun$getCurrentUserName$1.apply(Utils.scala:2430)
    at scala.Option.getOrElse(Option.scala:121)
    at org.apache.spark.util.Utils$.getCurrentUserName(Utils.scala:2430)
    at org.apache.spark.SparkContext.<init>(SparkContext.scala:295)
    at org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:58)
    at com.my.package.spark.SparkModule.provideJavaSparkContext(SparkModule.java:59)
    at com.my.package.spark.SparkModule$$ModuleAdapter$ProvideJavaSparkContextProvidesAdapter.get(SparkModule$$ModuleAdapter.java:140)
    at com.my.package.spark.SparkModule$$ModuleAdapter$ProvideJavaSparkContextProvidesAdapter.get(SparkModule$$ModuleAdapter.java:101)
    at dagger.internal.Linker$SingletonBinding.get(Linker.java:364)
    at spark.Main$$InjectAdapter.get(Main$$InjectAdapter.java:65)
    at spark.Main$$InjectAdapter.get(Main$$InjectAdapter.java:23)
    at dagger.ObjectGraph$DaggerObjectGraph.get(ObjectGraph.java:272)
    at spark.Main.main(Main.java:45)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:755)
    at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:180)
    at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:205)
    at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:119)
    at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
Caused by: java.lang.RuntimeException: class org.apache.hadoop.security.JniBasedUnixGroupsMapping not org.apache.hadoop.security.GroupMappingServiceProvider
    at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2324)
    ... 31 more

Dataproc versions: 1.1.51 and 1.2.15

Job configuration:

Region: global
Cluster my-cluster
Job type: Spark
Jar files: gs://bucket/jars/spark-job.jar
Main class or jar: spark.Main
Arguments:
Properties:
spark.driver.extraClassPath: /path/to/google-api-client-1.20.0.jar
spark.driver.userClassPathFirst: true

I have no problem running it this way on the command line:

spark-submit --conf "spark.driver.extraClassPath=/path/to/google-api-client-1.20.0.jar" --conf "spark.driver.userClassPathFirst=true" --class spark.Main /path/to/spark-job.jar

But the UI/API does not allow you to pass both the class name and jar, so it looks like this instead:

spark-submit --conf spark.driver.extraClassPath=/path/to/google-api-client-1.20.0.jar --conf spark.driver.userClassPathFirst=true --class spark.Main --jars /tmp/1f4d5289-37af-4311-9ccc-5eee34acaf62/spark-job.jar /usr/lib/hadoop/hadoop-common.jar

I can't figure out if it is a problem with providing the extraClassPath or if the spark-job.jar and the hadoop-common.jar are somehow conflicting.

Angus Davis Angus Davis · Accepted Answer · 2017-12-21T19:29:00

I think this is caused by the combination of userClassPathFirst and /usr/lib/hadoop/hadoop-common.jar being the jar Dataproc specifies to spark-submit. In some cases, the instance of GroupMappingServiceProvider from the user class loader will be used and in others the instance from the system class loader will be used. As a class loaded from one class loader is not equal to the same class loaded from another class loader, you would end up with this exception.

Instead of userClassPathFirst, would it make sense to instead relocate the conflicting classes using something like maven shade?

Hadoop security GroupMappingServiceProvider exception for Spark job via Dataproc API

2 Answers