I used --privileged to start the container and then unmounted /etc/hosts. Then I created a new /etc/hosts file
On Tue, Jun 17, 2014 at 4:58 PM, Aaron Davidson <ilike...@gmail.com> wrote: > I remember having to do a similar thing in the spark docker scripts for > testing purposes. Were you able to modify the /etc/hosts directly? I > remember issues with that as docker apparently mounts it as part of its > read-only filesystem. > > > On Tue, Jun 17, 2014 at 4:36 PM, Mohit Jaggi <mohitja...@gmail.com> wrote: > >> It was a DNS issue. AKKA apparently uses the hostname of the endpoints >> and hence they need to be resolvable. In my case the hostname of the docker >> container was a randomly generated string and was not resolvable. I added a >> workaround (entry in etc/hosts file of spark master) for now. If anyone can >> point to a more elegant solution, that would be awesome! >> >> >> On Tue, Jun 17, 2014 at 3:48 PM, Mohit Jaggi <mohitja...@gmail.com> >> wrote: >> >>> I am using cutting edge code from git but doing my own sbt assembly. >>> >>> >>> On Mon, Jun 16, 2014 at 10:28 PM, Andre Schumacher < >>> schum...@icsi.berkeley.edu> wrote: >>> >>>> >>>> Hi, >>>> >>>> are you using the amplab/spark-1.0.0 images from the global registry? >>>> >>>> Andre >>>> >>>> On 06/17/2014 01:36 AM, Mohit Jaggi wrote: >>>> > Hi Folks, >>>> > >>>> > I am having trouble getting spark driver running in docker. If I run a >>>> > pyspark example on my mac it works but the same example on a docker >>>> image >>>> > (Via boot2docker) fails with following logs. I am pointing the spark >>>> driver >>>> > (which is running the example) to a spark cluster (driver is not part >>>> of >>>> > the cluster). I guess this has something to do with docker's >>>> networking >>>> > stack (it may be getting NAT'd) but I am not sure why (if at all) the >>>> > spark-worker or spark-master is trying to create a new TCP connection >>>> to >>>> > the driver, instead of responding on the connection initiated by the >>>> driver. >>>> > >>>> > I would appreciate any help in figuring this out. >>>> > >>>> > Thanks, >>>> > >>>> > Mohit. >>>> > >>>> > --------logs-------- >>>> > >>>> > Spark Executor Command: "java" "-cp" >>>> > >>>> "::/home/ayasdi/spark/conf:/home/xxxx/spark/assembly/target/scala-2.10/spark-assembly-1.0.0-hadoop1.0.4.jar" >>>> > "-Xms2g" "-Xmx2g" "-Xms512M" "-Xmx512M" >>>> > "org.apache.spark.executor.CoarseGrainedExecutorBackend" >>>> > "akka.tcp://spark@fc31887475e3:43921/user/CoarseGrainedScheduler" "1" >>>> > "cobalt" "24" "akka.tcp://sparkWorker@aaaa:33952/user/Worker" >>>> > "app-20140616152201-0021" >>>> > >>>> > ======================================== >>>> > >>>> > >>>> > log4j:WARN No appenders could be found for logger >>>> > (org.apache.hadoop.conf.Configuration). >>>> > >>>> > log4j:WARN Please initialize the log4j system properly. >>>> > >>>> > log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig >>>> for >>>> > more info. >>>> > >>>> > 14/06/16 15:22:05 INFO SparkHadoopUtil: Using Spark's default log4j >>>> > profile: org/apache/spark/log4j-defaults.properties >>>> > >>>> > 14/06/16 15:22:05 INFO SecurityManager: Changing view acls to: >>>> ayasdi,root >>>> > >>>> > 14/06/16 15:22:05 INFO SecurityManager: SecurityManager: >>>> authentication >>>> > disabled; ui acls disabled; users with view permissions: Set(xxx, xxx) >>>> > >>>> > 14/06/16 15:22:05 INFO Slf4jLogger: Slf4jLogger started >>>> > >>>> > 14/06/16 15:22:05 INFO Remoting: Starting remoting >>>> > >>>> > 14/06/16 15:22:06 INFO Remoting: Remoting started; listening on >>>> addresses >>>> > :[akka.tcp://sparkExecutor@aaaa:33536] >>>> > >>>> > 14/06/16 15:22:06 INFO Remoting: Remoting now listens on addresses: >>>> > [akka.tcp://sparkExecutor@aaaa:33536] >>>> > >>>> > 14/06/16 15:22:06 INFO CoarseGrainedExecutorBackend: Connecting to >>>> driver: >>>> > akka.tcp://spark@fc31887475e3:43921/user/CoarseGrainedScheduler >>>> > >>>> > 14/06/16 15:22:06 INFO WorkerWatcher: Connecting to worker >>>> > akka.tcp://sparkWorker@aaaa:33952/user/Worker >>>> > >>>> > 14/06/16 15:22:06 WARN Remoting: Tried to associate with unreachable >>>> remote >>>> > address [akka.tcp://spark@fc31887475e3:43921]. Address is now gated >>>> for >>>> > 60000 ms, all messages to this address will be delivered to dead >>>> letters. >>>> > >>>> > 14/06/16 15:22:06 ERROR CoarseGrainedExecutorBackend: Driver >>>> Disassociated >>>> > [akka.tcp://sparkExecutor@aaaa:33536] -> >>>> [akka.tcp://spark@fc31887475e3:43921] >>>> > disassociated! Shutting down. >>>> > >>>> >>>> >>> >> >
