---------------------------------------------------------------------------
Py4JJavaError                             Traceback (most recent call last)
<ipython-input-1-d8306c542318> in <module>()
      8 #We can create a SparkConf() object and use it to initialize the spark context
      9 conf = SparkConf().setAppName("Collinear Points").setMaster("local[4]") #Initialize spark context using 4 local cores as workers
---> 10 sc = SparkContext(conf=conf)
     11
     12 from pyspark.rdd import RDD
/usr/local/lib/python3.6/site-packages/pyspark/context.py in __init__(self, master, appName, sparkHome, pyFiles, environment, batchSize, serializer, conf, gateway, jsc, profiler_cls)
    116         try:
    117             self._do_init(master, appName, sparkHome, pyFiles, environment, batchSize, serializer,
--> 118                           conf, jsc, profiler_cls)
    119         except:
    120             # If an error occurs, clean up in order to allow future SparkContext creation:
/usr/local/lib/python3.6/site-packages/pyspark/context.py in _do_init(self, master, appName, sparkHome, pyFiles, environment, batchSize, serializer, conf, jsc, profiler_cls)
    178
    179         # Create the Java SparkContext through Py4J
--> 180         self._jsc = jsc or self._initialize_context(self._conf._jconf)
    181         # Reset the SparkConf to the one actually used by the SparkContext in JVM.
    182         self._conf = SparkConf(_jconf=self._jsc.sc().conf())
/usr/local/lib/python3.6/site-packages/pyspark/context.py in _initialize_context(self, jconf)
    268         Initialize SparkContext in function to allow subclass specific initialization
    269         """
--> 270         return self._jvm.JavaSparkContext(jconf)
    271
    272     @classmethod
/usr/local/lib/python3.6/site-packages/py4j/java_gateway.py in __call__(self, *args)
   1426         answer = self._gateway_client.send_command(command)
   1427         return_value = get_return_value(
-> 1428             answer, self._gateway_client, None, self._fqn)
   1429
   1430         for temp_arg in temp_args:
/usr/local/lib/python3.6/site-packages/py4j/protocol.py in get_return_value(answer, gateway_client, target_id, name)
    318                 raise Py4JJavaError(
    319                     "An error occurred while calling {0}{1}{2}.\n".
--> 320                     format(target_id, ".", name), value)
    321             else:
    322                 raise Py4JError(
Py4JJavaError: An error occurred while calling None.org.apache.spark.api.java.JavaSparkContext.
: java.lang.OutOfMemoryError: unable to create new native thread
    at java.lang.Thread.start0(Native Method)
    at java.lang.Thread.start(Thread.java:717)
    at org.apache.spark.storage.BlockManager$RemoteBlockTempFileManager.<init>(BlockManager.scala:1611)
    at org.apache.spark.storage.BlockManager.<init>(BlockManager.scala:213)
    at org.apache.spark.SparkEnv$.create(SparkEnv.scala:349)
    at org.apache.spark.SparkEnv$.createDriverEnv(SparkEnv.scala:175)
    at org.apache.spark.SparkContext.createSparkEnv(SparkContext.scala:256)
    at org.apache.spark.SparkContext.<init>(SparkContext.scala:423)
    at org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:58)
    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:247)
    at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
    at py4j.Gateway.invoke(Gateway.java:238)
    at py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:80)
    at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:69)
    at py4j.GatewayConnection.run(GatewayConnection.java:214)
    at java.lang.Thread.run(Thread.java:748)