What is your --executor-environment-variables set to? http://mesos.apache.org/documentation/latest/configuration/
Can you print out your `env` in the driver to verify it has the expected JAVA_HOME On 2016-08-04 12:28 (-0700), max square <[email protected]> wrote: > Hey guys , > I was trying out spark 2.0 examples to run on mesos+hadoop cluster but it > keep failing with the following error message:- > > I0803 19:46:53.848696 12494 fetcher.cpp:498] Fetcher Info: > > {"cache_directory":"\/tmp\/mesos\/fetch\/slaves\/587226cc-bece-422a-bb93-e3ef49075642-S1\/root","items":[{"action":"BYPASS_CACHE","uri":{"extract":true,"value":"hdfs:\/\/testcluster\/spark-examples_2.11-2.0.0.jar"}},{"action":"BYPASS_CACHE","uri":{"extract":true,"value":"hdfs:\/\/testcluster\/spark-2.0.0-bin-hdfs-2.6.0-cdh5.7.1.tgz"}}],"sandbox_directory":"\/vol\/mesos\/data\/slaves\/587226cc-bece-422a-bb93-e3ef49075642-S1\/frameworks\/587226cc-bece-422a-bb93-e3ef49075642-0017\/executors\/driver-20160803194649-0001\/runs\/b1e9a92e-f004-4cdc-b936-52b32593d39f","user":"root"} > > I0803 19:46:53.850719 12494 fetcher.cpp:409] Fetching URI > > 'hdfs://testcluster/spark-examples_2.11-2.0.0.jar' > > I0803 19:46:53.850731 12494 fetcher.cpp:250] Fetching directly into the > > sandbox directory > > I0803 19:46:53.850746 12494 fetcher.cpp:187] Fetching URI > > 'hdfs://testcluster/spark-examples_2.11-2.0.0.jar' > > E0803 19:46:53.860776 12494 shell.hpp:106] Command > > '/usr/lib/hadoop/bin/hadoop version 2>&1' failed; this is the output: > > Error: JAVA_HOME is not set and could not be found. > > Failed to fetch 'hdfs://testcluster/spark-examples_2.11-2.0.0.jar': Failed > > to create HDFS client: Failed to execute '/usr/lib/hadoop/bin/hadoop > > version 2>&1'; the command was either not found or exited with a non-zero > > exit status: 1 > > Failed to synchronize with agent (it's probably exited) > > > To start out, I tried out the hadoop command which was giving the error on > the agents and was able to replicate the error. So basically, running "sudo > -u root /usr/lib/hadoop/bin/hadoop version 2>&1" gave me the same JAVA_HOME > not set error. After I fixed that and restarted the agents, running the > spark example still gave me the same error. > > I ran the same examples on mesos 0.28.2, and it ran fine. > > Any help regarding this would be appreciated. > > *Additional Info :-* > mesos version - 1.0.0 > hadoop version - 2.6.0-cdh5.7.2 > spark version - 2.0.0 > > Command used to run spark example - ./bin/spark-submit --class > org.apache.spark.examples.SparkPi --master mesos://<master>:7077 > --deploy-mode cluster --executor-memory 2G --total-executor-cores 4 > hdfs://testcluster/spark-examples_2.11-2.0.0.jar 100 >
