java.lang.RuntimeException: Failed to load class for data source: org.apache.spark.sql.cassandra

GitHub | rajagopalanseeth | 4 months ago
  1. 0

    example project for CassandraDataFrame not working

    GitHub | 4 months ago | rajagopalanseeth
    java.lang.RuntimeException: Failed to load class for data source: org.apache.spark.sql.cassandra
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    GitHub | 1 year ago | junr03
    java.lang.RuntimeException: Failed to load class for data source: com.databricks.spark.csv
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    GitHub | 1 year ago | jotterbach
    java.lang.RuntimeException: Failed to load class for data source: com.databricks.spark.csv
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    Please help running spark notebook

    Google Groups | 1 year ago | Unknown author
    java.lang.RuntimeException: Failed to load class for data source: com.databricks.spark.csv
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    java.lang.RuntimeException: Failed to load class for data source: com.databricks.spark.csv

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Root Cause Analysis

  1. java.lang.RuntimeException

    Failed to load class for data source: org.apache.spark.sql.cassandra

    at scala.sys.package$.error()
  2. Scala
    package$.error
    1. scala.sys.package$.error(package.scala:27)
    1 frame
  3. Spark Project SQL
    DataFrameReader.load
    1. org.apache.spark.sql.sources.ResolvedDataSource$.lookupDataSource(ddl.scala:220)
    2. org.apache.spark.sql.sources.ResolvedDataSource$.apply(ddl.scala:233)
    3. org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:114)
    3 frames
  4. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    4. java.lang.reflect.Method.invoke(Unknown Source)
    4 frames
  5. org.apache.spark
    CSharpBackendHandler.channelRead0
    1. org.apache.spark.api.csharp.CSharpBackendHandler.handleMethodCall(CSharpBackendHandler.scala:156)
    2. org.apache.spark.api.csharp.CSharpBackendHandler.handleBackendRequest(CSharpBackendHandler.scala:103)
    3. org.apache.spark.api.csharp.CSharpBackendHandler.channelRead0(CSharpBackendHandler.scala:30)
    4. org.apache.spark.api.csharp.CSharpBackendHandler.channelRead0(CSharpBackendHandler.scala:27)
    4 frames
  6. Netty
    DefaultThreadFactory$DefaultRunnableDecorator.run
    1. io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
    2. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
    3. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
    4. io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
    5. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
    6. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
    7. io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:163)
    8. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
    9. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
    10. io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:787)
    11. io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:130)
    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$2.run(SingleThreadEventExecutor.java:116)
    17. io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
    17 frames
  7. Java RT
    Thread.run
    1. java.lang.Thread.run(Unknown Source)
    1 frame