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https://issues.apache.org/jira/browse/SPARK-10854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15062247#comment-15062247
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Dmitry Romanenko commented on SPARK-10854:
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Any update on this? Maybe some suggestions? I keep seeing such issue from time
to time.
> MesosExecutorBackend: Received launchTask but executor was null
> ---------------------------------------------------------------
>
> Key: SPARK-10854
> URL: https://issues.apache.org/jira/browse/SPARK-10854
> Project: Spark
> Issue Type: Bug
> Components: Mesos
> Affects Versions: 1.4.0
> Environment: Spark 1.4.0
> Mesos 0.23.0
> Docker 1.8.1
> Reporter: Kevin Matzen
> Priority: Minor
>
> Sometimes my tasks get stuck in staging. Here's stdout from one such worker.
> I'm running mesos-slave inside a docker container with the host's docker
> exposed and I'm using Spark's docker support to launch the worker inside its
> own container. Both containers are running. I'm using pyspark. I can see
> mesos-slave and java running, but I do not see python running.
> {noformat}
> WARNING: Your kernel does not support swap limit capabilities, memory limited
> without swap.
> Using Spark's default log4j profile:
> org/apache/spark/log4j-defaults.properties
> 15/09/28 15:02:09 INFO MesosExecutorBackend: Registered signal handlers for
> [TERM, HUP, INT]
> I0928 15:02:09.658541 38 exec.cpp:132] Version: 0.23.0
> 15/09/28 15:02:09 ERROR MesosExecutorBackend: Received launchTask but
> executor was null
> I0928 15:02:09.702955 54 exec.cpp:206] Executor registered on slave
> 20150928-044200-1140850698-5050-8-S190
> 15/09/28 15:02:09 INFO MesosExecutorBackend: Registered with Mesos as
> executor ID 20150928-044200-1140850698-5050-8-S190 with 1 cpus
> 15/09/28 15:02:09 INFO SecurityManager: Changing view acls to: root
> 15/09/28 15:02:09 INFO SecurityManager: Changing modify acls to: root
> 15/09/28 15:02:09 INFO SecurityManager: SecurityManager: authentication
> disabled; ui acls disabled; users with view permissions: Set(root); users
> with modify permissions: Set(root)
> 15/09/28 15:02:10 INFO Slf4jLogger: Slf4jLogger started
> 15/09/28 15:02:10 INFO Remoting: Starting remoting
> 15/09/28 15:02:10 INFO Remoting: Remoting started; listening on addresses
> :[akka.tcp://sparkExecutor@<snip>:56458]
> 15/09/28 15:02:10 INFO Utils: Successfully started service 'sparkExecutor' on
> port 56458.
> 15/09/28 15:02:10 INFO DiskBlockManager: Created local directory at
> /tmp/spark-28a21c2d-54cc-40b3-b0c2-cc3624f1a73c/blockmgr-f2336fec-e1ea-44f1-bd5c-9257049d5e7b
> 15/09/28 15:02:10 INFO MemoryStore: MemoryStore started with capacity 52.1 MB
> 15/09/28 15:02:11 WARN NativeCodeLoader: Unable to load native-hadoop library
> for your platform... using builtin-java classes where applicable
> 15/09/28 15:02:11 INFO Executor: Starting executor ID
> 20150928-044200-1140850698-5050-8-S190 on host <snip>
> 15/09/28 15:02:11 INFO Utils: Successfully started service
> 'org.apache.spark.network.netty.NettyBlockTransferService' on port 57431.
> 15/09/28 15:02:11 INFO NettyBlockTransferService: Server created on 57431
> 15/09/28 15:02:11 INFO BlockManagerMaster: Trying to register BlockManager
> 15/09/28 15:02:11 INFO BlockManagerMaster: Registered BlockManager
> {noformat}
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