java.lang.ClassNotFoundException: Failed to find data source: org.apache.spark.sql.cassandra. Please find packages at http://spark-packages.org

GitHub | rajagopalanseeth | 9 months ago
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  1. 0

    GitHub comment 517#237539050

    GitHub | 9 months ago | rajagopalanseeth
    java.lang.ClassNotFoundException: Failed to find data source: org.apache.spark.sql.cassandra. Please find packages at http://spark-packages.org
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    How to set a header of columns with PySparkSQL?

    Stack Overflow | 1 year ago | ml_student
    java.lang.ClassNotFoundException: Failed to load class for data source: com.databricks.spark.csv.
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    Adding spark-csv package in PyCharm IDE

    GitHub | 10 months ago | mahima221
    java.lang.ClassNotFoundException: Failed to find data source: com.databricks.spark.csv. Please find packages at http://spark-packages.org
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  5. 0

    Adding spark-csv package in PyCharm IDE

    Stack Overflow | 10 months ago | mahima
    java.lang.ClassNotFoundException: Failed to find data source: com.databricks.spark.csv. Please find packages at http://spark-packages.org
  6. 0

    Failed to load class for data source: com.databricks.spark.csv

    GitHub | 2 years ago | schmee
    java.lang.ClassNotFoundException: Failed to load class for data source: com.databricks.spark.csv.

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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    org.apache.spark.sql.cassandra.DefaultSource

    at java.net.URLClassLoader.findClass()
  2. Java RT
    ClassLoader.loadClass
    1. java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    2. java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    3. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
    4. java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    4 frames
  3. org.apache.spark
    ResolvedDataSource$$anonfun$4$$anonfun$apply$1.apply
    1. org.apache.spark.sql.execution.datasources.ResolvedDataSource$$anonfun$4$$anonfun$apply$1.apply(ResolvedDataSource.scala:62)
    2. org.apache.spark.sql.execution.datasources.ResolvedDataSource$$anonfun$4$$anonfun$apply$1.apply(ResolvedDataSource.scala:62)
    2 frames
  4. Scala
    Try$.apply
    1. scala.util.Try$.apply(Try.scala:161)
    1 frame
  5. org.apache.spark
    ResolvedDataSource$$anonfun$4.apply
    1. org.apache.spark.sql.execution.datasources.ResolvedDataSource$$anonfun$4.apply(ResolvedDataSource.scala:62)
    2. org.apache.spark.sql.execution.datasources.ResolvedDataSource$$anonfun$4.apply(ResolvedDataSource.scala:62)
    2 frames
  6. Scala
    Try.orElse
    1. scala.util.Try.orElse(Try.scala:82)
    1 frame
  7. org.apache.spark
    ResolvedDataSource$.apply
    1. org.apache.spark.sql.execution.datasources.ResolvedDataSource$.lookupDataSource(ResolvedDataSource.scala:62)
    2. org.apache.spark.sql.execution.datasources.ResolvedDataSource$.apply(ResolvedDataSource.scala:102)
    2 frames
  8. Spark Project SQL
    DataFrameReader.load
    1. org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:119)
    1 frame
  9. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4. java.lang.reflect.Method.invoke(Method.java:498)
    4 frames
  10. org.apache.spark
    CSharpBackendHandler.channelRead0
    1. org.apache.spark.api.csharp.CSharpBackendHandler.handleMethodCall(CSharpBackendHandler.scala:156)
    2. org.apache.spark.api.csharp.CSharpBackendHandler.handleBackendRequest(CSharpBackendHandler.scala:103)
    3. org.apache.spark.api.csharp.CSharpBackendHandler.channelRead0(CSharpBackendHandler.scala:30)
    4. org.apache.spark.api.csharp.CSharpBackendHandler.channelRead0(CSharpBackendHandler.scala:27)
    4 frames
  11. Netty
    DefaultThreadFactory$DefaultRunnableDecorator.run
    1. io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
    2. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
    3. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
    4. io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
    5. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
    6. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
    7. io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:244)
    8. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
    9. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
    10. io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:846)
    11. io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
    12. io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
    13. io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
    14. io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
    15. io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
    16. io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
    17. io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
    17 frames
  12. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:745)
    1 frame