Omar Padron created SPARK-9279:
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Summary: Spark Master Refuses to Bind WebUI to a Privileged Port
Key: SPARK-9279
URL: https://issues.apache.org/jira/browse/SPARK-9279
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 1.4.1
Environment: Ubuntu Trusty running in a docker container
Reporter: Omar Padron
Priority: Minor
When trying to start a spark master server as root...
{code}
export SPARK_MASTER_PORT=7077
export SPARK_MASTER_WEBUI_PORT=80
spark-class org.apache.spark.deploy.master.Master \
--host "$( hostname )" \
-- port "$SPARK_MASTER_PORT" \
--webui-port "$SPARK_MASTER_WEBUI_PORT"
{code}
The process terminates with IllegalArgumentException "requirement failed:
startPort should be between 1024 and 65535 (inclusive), or 0 for a random free
port."
But, when SPARK_MASTER_WEBUI_PORT=8080 (or anything >1024), the process runs
fine.
I do not understand why the usable ports have been arbitrarily restricted to
the non-privileged. Users choosing to run spark as root should be allowed to
choose their own ports.
Full output from a sample run below:
{code}
2015-07-23 14:36:50,892 INFO [main] master.Master
(SignalLogger.scala:register(47)) - Registered signal handlers for [TERM, HUP,
INT]
2015-07-23 14:36:51,399 WARN [main] util.NativeCodeLoader
(NativeCodeLoader.java:<clinit>(62)) - Unable to load native-hadoop library for
your platform... using builtin-java classes where applicable
2015-07-23 14:36:51,586 INFO [main] spark.SecurityManager
(Logging.scala:logInfo(59)) - Changing view acls to: root
2015-07-23 14:36:51,587 INFO [main] spark.SecurityManager
(Logging.scala:logInfo(59)) - Changing modify acls to: root
2015-07-23 14:36:51,588 INFO [main] spark.SecurityManager
(Logging.scala:logInfo(59)) - SecurityManager: authentication disabled; ui acls
disabled; users with view permissions: Set(root); users with modify
permissions: Set(root)
2015-07-23 14:36:52,295 INFO [sparkMaster-akka.actor.default-dispatcher-2]
slf4j.Slf4jLogger (Slf4jLogger.scala:applyOrElse(80)) - Slf4jLogger started
2015-07-23 14:36:52,349 INFO [sparkMaster-akka.actor.default-dispatcher-2]
Remoting (Slf4jLogger.scala:apply$mcV$sp(74)) - Starting remoting
2015-07-23 14:36:52,489 INFO [sparkMaster-akka.actor.default-dispatcher-2]
Remoting (Slf4jLogger.scala:apply$mcV$sp(74)) - Remoting started; listening on
addresses :[akka.tcp://sparkMaster@sparkmaster:7077]
2015-07-23 14:36:52,497 INFO [main] util.Utils (Logging.scala:logInfo(59)) -
Successfully started service 'sparkMaster' on port 7077.
2015-07-23 14:36:52,717 INFO [sparkMaster-akka.actor.default-dispatcher-4]
server.Server (Server.java:doStart(272)) - jetty-8.y.z-SNAPSHOT
2015-07-23 14:36:52,759 INFO [sparkMaster-akka.actor.default-dispatcher-4]
server.AbstractConnector (AbstractConnector.java:doStart(338)) - Started
SelectChannelConnector@sparkmaster:6066
2015-07-23 14:36:52,759 INFO [sparkMaster-akka.actor.default-dispatcher-4]
util.Utils (Logging.scala:logInfo(59)) - Successfully started service on port
6066.
2015-07-23 14:36:52,760 INFO [sparkMaster-akka.actor.default-dispatcher-4]
rest.StandaloneRestServer (Logging.scala:logInfo(59)) - Started REST server for
submitting applications on port 6066
2015-07-23 14:36:52,765 INFO [sparkMaster-akka.actor.default-dispatcher-4]
master.Master (Logging.scala:logInfo(59)) - Starting Spark master at
spark://sparkmaster:7077
2015-07-23 14:36:52,766 INFO [sparkMaster-akka.actor.default-dispatcher-4]
master.Master (Logging.scala:logInfo(59)) - Running Spark version 1.4.1
2015-07-23 14:36:52,772 ERROR [sparkMaster-akka.actor.default-dispatcher-4]
ui.MasterWebUI (Logging.scala:logError(96)) - Failed to bind MasterWebUI
java.lang.IllegalArgumentException: requirement failed: startPort should be
between 1024 and 65535 (inclusive), or 0 for a random free port.
at scala.Predef$.require(Predef.scala:233)
at org.apache.spark.util.Utils$.startServiceOnPort(Utils.scala:1977)
at
org.apache.spark.ui.JettyUtils$.startJettyServer(JettyUtils.scala:238)
at org.apache.spark.ui.WebUI.bind(WebUI.scala:117)
at org.apache.spark.deploy.master.Master.preStart(Master.scala:144)
at akka.actor.Actor$class.aroundPreStart(Actor.scala:470)
at org.apache.spark.deploy.master.Master.aroundPreStart(Master.scala:52)
at akka.actor.ActorCell.create(ActorCell.scala:580)
at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:456)
at akka.actor.ActorCell.systemInvoke(ActorCell.scala:478)
at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:263)
at akka.dispatch.Mailbox.run(Mailbox.scala:219)
at
akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:393)
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
at
scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
at
scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
at
scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
2015-07-23 14:36:52,778 INFO [Thread-1] util.Utils (Logging.scala:logInfo(59))
- Shutdown hook called
{code}
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