title: Spark dataframe will not show() - Py4JJavaError: An error occurred while calling o426.showString
body: <p>I have a dataframe that I cannot .show().  Every time it gives the following error?  Is it possible that there is a corrupted column?</p>
  
  <p>Error:</p>
  
  <blockquote>
    <p>Py4JJavaError: An error occurred while calling o426.showString. :
    org.apache.spark.SparkException: Job aborted due to stage failure:
    Task 0 in stage 381.0 failed 4 times, most recent failure: Lost task
    0.3 in stage 381.0 (TID 19204, ddlps28.rsc.dwo.com, executor 99): org.apache.spark.api.python.PythonException: Traceback (most recent
    call last):   File
    "/opt/cloudera/parcels/SPARK2-2.2.0.cloudera1-1.cdh5.12.0.p0.142354/lib/spark2/python/pyspark/worker.py",
    line 177, in main</p>
  </blockquote>