java.lang.ClassNotFoundException: Failed to find data source: com.databricks.spark.redshift. Please find packages at http://spark-packages.org

GitHub | proinsias | 3 months ago
  1. 0

    Failed to find data source: com.databricks.spark.redshift

    GitHub | 3 months ago | proinsias
    java.lang.ClassNotFoundException: Failed to find data source: com.databricks.spark.redshift. Please find packages at http://spark-packages.org
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    java.lang.ClassNotFoundException: text.DefaultSource

    Stack Overflow | 1 month ago | nastia klochkova
    java.lang.ClassNotFoundException: Failed to find data source: text. Please find packages at http://spark-packages.org
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    java.lang.ClassNotFoundException: Failed to find data source: json

    Stack Overflow | 3 weeks ago | user2757652
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    Stack Overflow | 6 years ago | sjain
    java.lang.NoClassDefFoundError: com/example1/ExamSample

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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    com.databricks.spark.redshift.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. java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    3 frames
  3. org.apache.spark
    DataSource$$anonfun$5$$anonfun$apply$1.apply
    1. org.apache.spark.sql.execution.datasources.DataSource$$anonfun$5$$anonfun$apply$1.apply(DataSource.scala:130)
    2. org.apache.spark.sql.execution.datasources.DataSource$$anonfun$5$$anonfun$apply$1.apply(DataSource.scala:130)
    2 frames
  4. Scala
    Try$.apply
    1. scala.util.Try$.apply(Try.scala:192)
    1 frame
  5. org.apache.spark
    DataSource$$anonfun$5.apply
    1. org.apache.spark.sql.execution.datasources.DataSource$$anonfun$5.apply(DataSource.scala:130)
    2. org.apache.spark.sql.execution.datasources.DataSource$$anonfun$5.apply(DataSource.scala:130)
    2 frames
  6. Scala
    Try.orElse
    1. scala.util.Try.orElse(Try.scala:84)
    1 frame
  7. org.apache.spark
    DataSource.resolveRelation
    1. org.apache.spark.sql.execution.datasources.DataSource.lookupDataSource(DataSource.scala:130)
    2. org.apache.spark.sql.execution.datasources.DataSource.providingClass$lzycompute(DataSource.scala:78)
    3. org.apache.spark.sql.execution.datasources.DataSource.providingClass(DataSource.scala:78)
    4. org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:310)
    4 frames
  8. Spark Project SQL
    DataFrameReader.load
    1. org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:149)
    2. org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:122)
    2 frames
  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. Py4J
    GatewayConnection.run
    1. py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:237)
    2. py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
    3. py4j.Gateway.invoke(Gateway.java:280)
    4. py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:128)
    5. py4j.commands.CallCommand.execute(CallCommand.java:79)
    6. py4j.GatewayConnection.run(GatewayConnection.java:211)
    6 frames
  11. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:745)
    1 frame