PySpark MongoDB :: java.lang.NoClassDefFoundError: com/mongodb/client/model/Collation - mongodb

Question

I was trying to connect to MongoDB Atlas from PySpark and I have the following problem:
from pyspark import SparkContext
from pyspark.sql import SparkSession
from pyspark.sql.types import *
from pyspark.sql.functions import *
sc = SparkContext
spark = SparkSession.builder \
.config("spark.mongodb.input.uri", "mongodb+srv://#USER#:#PASS##test00-la3lt.mongodb.net/db.BUSQUEDAS?retryWrites=true") \
.config("spark.mongodb.output.uri", "mongodb+srv://#USER#:#PASS##test00-la3lt.mongodb.net/db.BUSQUEDAS?retryWrites=true") \
.getOrCreate()
df = spark.read.format("com.mongodb.spark.sql.DefaultSource").load()
The error that returns this code is this:
---------------------------------------------------------------------------
Py4JJavaError Traceback (most recent call last)
<ipython-input-3-346df2de8d22> in <module>()
----> 1 df = spark.read.format("com.mongodb.spark.sql.DefaultSource").load()
c:\users\andres\appdata\local\programs\python\python36\lib\site-packages\pyspark\sql\readwriter.py in load(self, path, format, schema, **options)
170 return self._df(self._jreader.load(self._spark._sc._jvm.PythonUtils.toSeq(path)))
171 else:
--> 172 return self._df(self._jreader.load())
173
174 #since(1.4)
c:\users\andres\appdata\local\programs\python\python36\lib\site-packages\py4j\java_gateway.py in __call__(self, *args)
1255 answer = self.gateway_client.send_command(command)
1256 return_value = get_return_value(
-> 1257 answer, self.gateway_client, self.target_id, self.name)
1258
1259 for temp_arg in temp_args:
c:\users\andres\appdata\local\programs\python\python36\lib\site-packages\pyspark\sql\utils.py in deco(*a, **kw)
61 def deco(*a, **kw):
62 try:
---> 63 return f(*a, **kw)
64 except py4j.protocol.Py4JJavaError as e:
65 s = e.java_exception.toString()
c:\users\andres\appdata\local\programs\python\python36\lib\site-packages\py4j\protocol.py in get_return_value(answer, gateway_client, target_id, name)
326 raise Py4JJavaError(
327 "An error occurred while calling {0}{1}{2}.\n".
--> 328 format(target_id, ".", name), value)
329 else:
330 raise Py4JError(
Py4JJavaError: An error occurred while calling o34.load.
: java.lang.NoClassDefFoundError: com/mongodb/client/model/Collation
at com.mongodb.spark.config.ReadConfig$.<init>(ReadConfig.scala:50)
at com.mongodb.spark.config.ReadConfig$.<clinit>(ReadConfig.scala)
at com.mongodb.spark.sql.DefaultSource.createRelation(DefaultSource.scala:67)
at com.mongodb.spark.sql.DefaultSource.createRelation(DefaultSource.scala:50)
at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:340)
at org.apache.spark.sql.DataFrameReader.loadV1Source(DataFrameReader.scala:239)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:227)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:164)
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:282)
at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
at py4j.commands.CallCommand.execute(CallCommand.java:79)
at py4j.GatewayConnection.run(GatewayConnection.java:238)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassNotFoundException: com.mongodb.client.model.Collation
How I can solve this problem?
Is a problem with the code or with the references?
In the pyspark config file, I have this:
./bin/pyspark --conf "spark.mongodb.input.uri=mongodb+srv://#USER#:#PASS##test00-la3lt.mongodb.net/db.BUSQUEDAS?readPreference=primaryPreferred" \
--conf "spark.mongodb.output.uri=mongodb+srv://#USER#:#PASS##test00-la3lt.mongodb.net/db.BUSQUEDAS" \
--packages org.mongodb.spark:mongo-spark-connector_2.11:2.1.3
The version of Spark is 2.3.1 and Scala 2.11.8

Answer 1

The problem of this error is because is necesari add this references:
https://oss.sonatype.org/content/repositories/releases/org/mongodb/mongodb-driver/3.8.1/
https://oss.sonatype.org/content/repositories/releases/org/mongodb/mongodb-driver-core/3.8.1/ https://oss.sonatype.org/content/repositories/releases/org/mongodb/bson/3.8.1/
When I add this, the problem is solved