Pyspark python issue:Py4JJavaError: An error occurred while calling o59.classForName.
yashjain
Dataiku DSS Core Designer, Dataiku DSS ML Practitioner, Dataiku DSS Adv Designer, Registered Posts: 1 ✭
Hello everyone, I am working on PySpark and I have mentioned the code and getting some issue, I am wondering if someone knows about the following issue? I get the error in the last line of code.
mydataset = dataiku.Dataset(dataset name)
df = dkuspark.get_dataframe(sqlContext, mydataset)
Py4JJavaError: An error occurred while calling o59.classForName.
: java.lang.ClassNotFoundException: com.dataiku.dip.spark.StdDataikuSparkContext
at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at org.apache.spark.util.Utils$.classForName(Utils.scala:218)
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.ClientServerConnection.waitForCommands(ClientServerConnection.java:182)
at py4j.ClientServerConnection.run(ClientServerConnection.java:106)
at java.lang.Thread.run(Thread.java:750)
Operating system - windows
Answers
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Alexandru Dataiker, Dataiku DSS Core Designer, Dataiku DSS ML Practitioner, Dataiku DSS Adv Designer, Registered Posts: 1,225 Dataiker
Hi @yashjain
,It appears to be the same issue as described here:
https://community.dataiku.com/t5/Using-Dataiku/Read-as-Spark-dataframe/m-p/28110
The Spark integration is likely not correctly done.Thanks