An error occurred while calling o140019.writeInput. : org.jboss.netty.channel.ChannelException: Failed to create a selector. at org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:343) at org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52) at org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45) at org.jboss.netty.channel.socket.nio.NioWorkerPool.createWorker(NioWorkerPool.java:45) at org.jboss.netty.channel.socket.nio.NioWorkerPool.createWorker(NioWorkerPool.java:28) at org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.newWorker(AbstractNioWorkerPool.java:143) at org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:81) at org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39) at org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33) at org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory.<init>(NioClientSocketChannelFactory.java:151) at org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory.<init>(NioClientSocketChannelFactory.java:116) at org.apache.avro.ipc.NettyTransceiver.<init>(NettyTransceiver.java:123) at org.apache.avro.ipc.NettyTransceiver.<init>(NettyTransceiver.java:110) at org.apache.spark.streaming.flume.FlumeTestUtils.writeInput(FlumeTestUtils.scala:81) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:231) at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:381) at py4j.Gateway.invoke(Gateway.java:259) at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:133) at py4j.commands.CallCommand.execute(CallCommand.java:79) at py4j.GatewayConnection.run(GatewayConnection.java:209) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.OutOfMemoryError: Java heap space

Traceback (most recent call last):
  File "/home/jenkins/workspace/Spark-1.6-SBT/AMPLAB_JENKINS_BUILD_PROFILE/hadoop2.3/label/spark-test/python/pyspark/streaming/tests.py", line 1293, in test_flume_stream
    self._writeInput(input, False)
  File "/home/jenkins/workspace/Spark-1.6-SBT/AMPLAB_JENKINS_BUILD_PROFILE/hadoop2.3/label/spark-test/python/pyspark/streaming/tests.py", line 1282, in _writeInput
    self._utils.writeInput(input, compressed)
  File "/home/jenkins/workspace/Spark-1.6-SBT/AMPLAB_JENKINS_BUILD_PROFILE/hadoop2.3/label/spark-test/python/lib/py4j-0.9-src.zip/py4j/java_gateway.py", line 813, in __call__
    answer, self.gateway_client, self.target_id, self.name)
  File "/home/jenkins/workspace/Spark-1.6-SBT/AMPLAB_JENKINS_BUILD_PROFILE/hadoop2.3/label/spark-test/python/lib/py4j-0.9-src.zip/py4j/protocol.py", line 308, in get_return_value
    format(target_id, ".", name), value)
Py4JJavaError: An error occurred while calling o140019.writeInput.
: org.jboss.netty.channel.ChannelException: Failed to create a selector.
	at org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:343)
	at org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
	at org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
	at org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
	at org.jboss.netty.channel.socket.nio.NioWorkerPool.createWorker(NioWorkerPool.java:45)
	at org.jboss.netty.channel.socket.nio.NioWorkerPool.createWorker(NioWorkerPool.java:28)
	at org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.newWorker(AbstractNioWorkerPool.java:143)
	at org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:81)
	at org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
	at org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
	at org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory.<init>(NioClientSocketChannelFactory.java:151)
	at org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory.<init>(NioClientSocketChannelFactory.java:116)
	at org.apache.avro.ipc.NettyTransceiver.<init>(NettyTransceiver.java:123)
	at org.apache.avro.ipc.NettyTransceiver.<init>(NettyTransceiver.java:110)
	at org.apache.spark.streaming.flume.FlumeTestUtils.writeInput(FlumeTestUtils.scala:81)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:231)
	at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:381)
	at py4j.Gateway.invoke(Gateway.java:259)
	at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:133)
	at py4j.commands.CallCommand.execute(CallCommand.java:79)
	at py4j.GatewayConnection.run(GatewayConnection.java:209)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.OutOfMemoryError: Java heap space