Hi,
I am having a hard time getting to the bottom of this problem. I'm really
not sure where to start with it. Everything works fine in local mode.
Cheers,
Andrew
[testing@instance-16826 ~]$ /opt/mapr/spark/spark-1.5.2/bin/spark-submit
--num-executors 21 --executor-cores 5 --master yarn-client
--executor-memory 5g ~/pi.py
16/05/09 13:35:07 WARN NativeCodeLoader: Unable to load native-hadoop
library for your platform... using builtin-java classes where applicable
16/05/09 13:35:08 WARN MetricsSystem: Using default name DAGScheduler for
source because spark.app.id is not set.
16/05/09 13:35:14 ERROR SparkContext: Error initializing SparkContext.
org.apache.spark.SparkException: Yarn application has already ended! It
might have been killed or unable to launch application master.
at
org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend.waitForApplication(YarnClientSchedulerBackend.scala:123)
at
org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend.start(YarnClientSchedulerBackend.scala:63)
at
org.apache.spark.scheduler.TaskSchedulerImpl.start(TaskSchedulerImpl.scala:144)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:523)
at
org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:61)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:234)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:379)
at py4j.Gateway.invoke(Gateway.java:214)
at
py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:79)
at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:68)
at py4j.GatewayConnection.run(GatewayConnection.java:207)
at java.lang.Thread.run(Thread.java:745)
16/05/09 13:35:14 ERROR Utils: Uncaught exception in thread Thread-3
java.lang.NullPointerException
at
org.apache.spark.network.netty.NettyBlockTransferService.close(NettyBlockTransferService.scala:152)
at org.apache.spark.storage.BlockManager.stop(BlockManager.scala:1228)
at org.apache.spark.SparkEnv.stop(SparkEnv.scala:100)
at
org.apache.spark.SparkContext$anonfun$stop$12.apply$mcV$sp(SparkContext.scala:1749)
at org.apache.spark.util.Utils$.tryLogNonFatalError(Utils.scala:1185)
at org.apache.spark.SparkContext.stop(SparkContext.scala:1748)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:593)
at
org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:61)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:234)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:379)
at py4j.Gateway.invoke(Gateway.java:214)
at
py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:79)
at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:68)
at py4j.GatewayConnection.run(GatewayConnection.java:207)
at java.lang.Thread.run(Thread.java:745)
Traceback (most recent call last):
File "/home/testing/pi.py", line 30, in <module>
sc = SparkContext(appName="PythonPi")
File
"/opt/mapr/spark/spark-1.5.2/python/lib/pyspark.zip/pyspark/context.py",
line 113, in __init__
File
"/opt/mapr/spark/spark-1.5.2/python/lib/pyspark.zip/pyspark/context.py",
line 170, in _do_init
File
"/opt/mapr/spark/spark-1.5.2/python/lib/pyspark.zip/pyspark/context.py",
line 224, in _initialize_context
File
"/opt/mapr/spark/spark-1.5.2/python/lib/py4j-0.8.2.1-src.zip/py4j/java_gateway.py",
line 701, in __call__
File
"/opt/mapr/spark/spark-1.5.2/python/lib/py4j-0.8.2.1-src.zip/py4j/protocol.py",
line 300, in get_return_value
py4j.protocol.Py4JJavaError: An error occurred while calling
None.org.apache.spark.api.java.JavaSparkContext.
: org.apache.spark.SparkException: Yarn application has already ended! It
might have been killed or unable to launch application master.
at
org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend.waitForApplication(YarnClientSchedulerBackend.scala:123)
at
org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend.start(YarnClientSchedulerBackend.scala:63)
at
org.apache.spark.scheduler.TaskSchedulerImpl.start(TaskSchedulerImpl.scala:144)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:523)
at
org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:61)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:234)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:379)
at py4j.Gateway.invoke(Gateway.java:214)
at
py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:79)
at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:68)
at py4j.GatewayConnection.run(GatewayConnection.java:207)
at java.lang.Thread.run(Thread.java:745)