Load a kmeans model

In [1]:

    

from pyspark.mllib.clustering import KMeans, KMeansModel 
from pyspark import SparkConf, SparkContext


    

    






Waiting for a Spark session to start...

In [4]:

    

single_band = True

if (single_band):
    kmeans_model = KMeansModel.load(sc, "hdfs:///user/pheno/spring_index/LastFreeze/1980_kmeans_model")
else:
    kmeans_model = KMeansModel.load(sc, "hdfs:///user/pheno/spring_index/BloomFinal/1980_kmeans_model")


    

    
Out[4]:





Name: org.apache.toree.interpreter.broker.BrokerException
Message: Py4JJavaError: An error occurred while calling z:org.apache.spark.mllib.clustering.KMeansModel.load.
: org.apache.hadoop.mapred.InvalidInputException: Input path does not exist: hdfs:/user/pheno/spring_index/BloomFinal/1980_kmeans_model/metadata
	at org.apache.hadoop.mapred.FileInputFormat.listStatus(FileInputFormat.java:251)
	at org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:270)
	at org.apache.spark.rdd.HadoopRDD.getPartitions(HadoopRDD.scala:202)
	at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:252)
	at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:250)
	at scala.Option.getOrElse(Option.scala:121)
	at org.apache.spark.rdd.RDD.partitions(RDD.scala:250)
	at org.apache.spark.rdd.MapPartitionsRDD.getPartitions(MapPartitionsRDD.scala:35)
	at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:252)
	at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:250)
	at scala.Option.getOrElse(Option.scala:121)
	at org.apache.spark.rdd.RDD.partitions(RDD.scala:250)
	at org.apache.spark.rdd.RDD$$anonfun$take$1.apply(RDD.scala:1333)
	at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
	at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)
	at org.apache.spark.rdd.RDD.withScope(RDD.scala:362)
	at org.apache.spark.rdd.RDD.take(RDD.scala:1327)
	at org.apache.spark.rdd.RDD$$anonfun$first$1.apply(RDD.scala:1368)
	at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
	at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)
	at org.apache.spark.rdd.RDD.withScope(RDD.scala:362)
	at org.apache.spark.rdd.RDD.first(RDD.scala:1367)
	at org.apache.spark.mllib.util.Loader$.loadMetadata(modelSaveLoad.scala:129)
	at org.apache.spark.mllib.clustering.KMeansModel$SaveLoadV1_0$.load(KMeansModel.scala:139)
	at org.apache.spark.mllib.clustering.KMeansModel$.load(KMeansModel.scala:106)
	at org.apache.spark.mllib.clustering.KMeansModel.load(KMeansModel.scala)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
	at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
	at py4j.Gateway.invoke(Gateway.java:280)
	at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
	at py4j.commands.CallCommand.execute(CallCommand.java:79)
	at py4j.GatewayConnection.run(GatewayConnection.java:214)
	at java.lang.Thread.run(Thread.java:748)

(<class 'py4j.protocol.Py4JJavaError'>, Py4JJavaError('An error occurred while calling z:org.apache.spark.mllib.clustering.KMeansModel.load.\n', JavaObject id=o107), <traceback object at 0x7fe7c554fb08>)
StackTrace: org.apache.toree.interpreter.broker.BrokerState$$anonfun$markFailure$1.apply(BrokerState.scala:163)
org.apache.toree.interpreter.broker.BrokerState$$anonfun$markFailure$1.apply(BrokerState.scala:163)
scala.Option.foreach(Option.scala:257)
org.apache.toree.interpreter.broker.BrokerState.markFailure(BrokerState.scala:162)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:498)
py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
py4j.Gateway.invoke(Gateway.java:280)
py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
py4j.commands.CallCommand.execute(CallCommand.java:79)
py4j.GatewayConnection.run(GatewayConnection.java:214)
java.lang.Thread.run(Thread.java:748)

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