Davies Liu created SPARK-13173:
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Summary: Fail to load CSV file with NPE
Key: SPARK-13173
URL: https://issues.apache.org/jira/browse/SPARK-13173
Project: Spark
Issue Type: Bug
Reporter: Davies Liu
{code}
id|end_date|start_date|location
1|2015-10-14 00:00:00|2015-09-14 00:00:00|CA-SF
2|2015-10-15 01:00:20|2015-08-14 00:00:00|CA-SD
3|2015-10-16 02:30:00|2015-01-14 00:00:00|NY-NY
4|2015-10-17 03:00:20|2015-02-14 00:00:00|NY-NY
5|2015-10-18 04:30:00|2014-04-14 00:00:00|CA-SD
{code}
{code}
adult_df = sqlContext.read.\
format("org.apache.spark.sql.execution.datasources.csv").\
option("header", "false").option("delimiter", "|").\
option("inferSchema", "true").load("/tmp/dataframe_sample.csv")
{code}
{code}
Py4JJavaError: An error occurred while calling o239.load.
: java.lang.NullPointerException
at
scala.collection.mutable.ArrayOps$ofRef$.length$extension(ArrayOps.scala:114)
at scala.collection.mutable.ArrayOps$ofRef.length(ArrayOps.scala:114)
at
scala.collection.IndexedSeqOptimized$class.zipWithIndex(IndexedSeqOptimized.scala:93)
at
scala.collection.mutable.ArrayOps$ofRef.zipWithIndex(ArrayOps.scala:108)
at
org.apache.spark.sql.execution.datasources.csv.CSVRelation.inferSchema(CSVRelation.scala:137)
at
org.apache.spark.sql.execution.datasources.csv.CSVRelation.dataSchema$lzycompute(CSVRelation.scala:50)
at
org.apache.spark.sql.execution.datasources.csv.CSVRelation.dataSchema(CSVRelation.scala:48)
at
org.apache.spark.sql.sources.HadoopFsRelation.schema$lzycompute(interfaces.scala:666)
at
org.apache.spark.sql.sources.HadoopFsRelation.schema(interfaces.scala:665)
at
org.apache.spark.sql.execution.datasources.LogicalRelation.<init>(LogicalRelation.scala:39)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:115)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:136)
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:497)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:231)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:381)
at py4j.Gateway.invoke(Gateway.java:290)
at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:133)
at py4j.commands.CallCommand.execute(CallCommand.java:79)
at py4j.GatewayConnection.run(GatewayConnection.java:209)
at java.lang.Thread.run(Thread.java:745)
{code}
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