Udit Mehrotra created SPARK-21494:
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Summary: Spark 2.2.0 AES encryption not working with External
shuffle
Key: SPARK-21494
URL: https://issues.apache.org/jira/browse/SPARK-21494
Project: Spark
Issue Type: Bug
Components: Block Manager, Shuffle
Affects Versions: 2.2.0
Environment: AWS EMR
Reporter: Udit Mehrotra
Spark’s new AES based authentication mechanism does not seem to work when
configured with external shuffle service on YARN. Here is the stack trace for
the error we see in the driver logs:
ERROR YarnScheduler: Lost executor 40 on ip-10-167-104-125.ec2.internal: Unable
to create executor due to Unable to register with external shuffle server due
to: java.lang.IllegalArgumentException: Authentication failed.
at
org.apache.spark.network.crypto.AuthRpcHandler.receive(AuthRpcHandler.java:125)
at
org.apache.spark.network.server.TransportRequestHandler.processRpcRequest(TransportRequestHandler.java:157)
at
org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:105)
at
org.apache.spark.network.server.TransportChannelHandler.channelRead(TransportChannelHandler.java:118)
at
org.spark_project.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:357)
at
org.spark_project.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:343)
at
org.spark_project.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:336)
at
org.spark_project.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287)
at
org.spark_project.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:357)
at
org.spark_project.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:343)
at
org.spark_project.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:336)
at
org.spark_project.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102)
Here are the settings we are configuring in ‘spark-defaults’ and ‘yarn-site’:
spark.network.crypto.enabled true
spark.network.crypto.saslFallback false
spark.authenticate true
Turning on DEBUG logs for class ‘org.apache.spark.network.crypto’ on both Spark
and YARN side is not giving much information either about why authentication
fails. The driver and node manager logs have been attached to the JIRA.
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