Vladimir Grigor created SPARK-5246:
--------------------------------------
Summary: spark/spark-ec2.py cannot start Spark master in VPC if
local DNS name does not resolve
Key: SPARK-5246
URL: https://issues.apache.org/jira/browse/SPARK-5246
Project: Spark
Issue Type: Bug
Components: EC2
Reporter: Vladimir Grigor
How to reproduce:
1) user starts a cluster in VPC:
{code}
./spark-ec2 -k key20141114 -i ~/aws/key.pem -s 1 --region=eu-west-1
--spark-version=1.2.0 --instance-type=m1.large --vpc-id=vpc-2e71dd46
--subnet-id=subnet-2571dd4d --zone=eu-west-1a launch SparkByScript
Setting up security groups...
....
(omitted for brevity)
10.1.1.62
10.1.1.62: no org.apache.spark.deploy.worker.Worker to stop
no org.apache.spark.deploy.master.Master to stop
starting org.apache.spark.deploy.master.Master, logging to
/root/spark/sbin/../logs/spark-root-org.apache.spark.deploy.master.Master-1-.out
failed to launch org.apache.spark.deploy.master.Master:
at java.net.InetAddress.getLocalHost(InetAddress.java:1469)
... 12 more
full log in
/root/spark/sbin/../logs/spark-root-org.apache.spark.deploy.master.Master-1-.out
10.1.1.62: starting org.apache.spark.deploy.worker.Worker, logging to
/root/spark/sbin/../logs/spark-root-org.apache.spark.deploy.worker.Worker-1-ip-10-1-1-62.out
10.1.1.62: failed to launch org.apache.spark.deploy.worker.Worker:
10.1.1.62: at java.net.InetAddress.getLocalHost(InetAddress.java:1469)
10.1.1.62: ... 12 more
10.1.1.62: full log in
/root/spark/sbin/../logs/spark-root-org.apache.spark.deploy.worker.Worker-1-ip-10-1-1-62.out
[timing] spark-standalone setup: 00h 00m 28s
....
(omitted for brevity)
{code}
/root/spark/sbin/../logs/spark-root-org.apache.spark.deploy.master.Master-1-.out
{
Spark assembly has been built with Hive, including Datanucleus jars on classpath
Spark Command: /usr/lib/jvm/java-1.7.0/bin/java -cp
:::/root/ephemeral-hdfs/conf:/root/spark/sbin/../conf:/root/spark/lib/spark-assembly-1.2.0-hadoop1.0.4.jar:/root/spark/lib/datanucleus-api-jdo-3.2.6.jar:/root/spark/lib/datanucleus-rdbms-3.2.9.jar:/root/spark/lib/datanucleus-core-3.2.10.jar
-XX:MaxPermSize=128m -Dspark.akka.logLifecycleEvents=true -Xms512m -Xmx512m
org.apache.spark.deploy.master.Master --ip 10.1.1.151 --port 7077 --webui-port
8080
========================================
15/01/14 07:34:47 INFO master.Master: Registered signal handlers for [TERM,
HUP, INT]
Exception in thread "main" java.net.UnknownHostException: ip-10-1-1-151:
ip-10-1-1-151: Name or service not known
at java.net.InetAddress.getLocalHost(InetAddress.java:1473)
at org.apache.spark.util.Utils$.findLocalIpAddress(Utils.scala:620)
at
org.apache.spark.util.Utils$.localIpAddress$lzycompute(Utils.scala:612)
at org.apache.spark.util.Utils$.localIpAddress(Utils.scala:612)
at
org.apache.spark.util.Utils$.localIpAddressHostname$lzycompute(Utils.scala:613)
at org.apache.spark.util.Utils$.localIpAddressHostname(Utils.scala:613)
at
org.apache.spark.util.Utils$$anonfun$localHostName$1.apply(Utils.scala:665)
at
org.apache.spark.util.Utils$$anonfun$localHostName$1.apply(Utils.scala:665)
at scala.Option.getOrElse(Option.scala:120)
at org.apache.spark.util.Utils$.localHostName(Utils.scala:665)
at
org.apache.spark.deploy.master.MasterArguments.<init>(MasterArguments.scala:27)
at org.apache.spark.deploy.master.Master$.main(Master.scala:819)
at org.apache.spark.deploy.master.Master.main(Master.scala)
Caused by: java.net.UnknownHostException: ip-10-1-1-151: Name or service not
known
at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:901)
at
java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1293)
at java.net.InetAddress.getLocalHost(InetAddress.java:1469)
... 12 more
}
Problem is that instance launched in VPC may be not able to resolve own local
hostname. Please see https://forums.aws.amazon.com/thread.jspa?threadID=92092.
I am going to submit a fix for this problem since I need this functionality
asap.
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