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Posted to issues@spark.apache.org by "Hyukjin Kwon (Jira)" <ji...@apache.org> on 2024/01/23 03:37:00 UTC
[jira] [Resolved] (SPARK-46806) Improve error message for spark.table when argument type is wrong
[ https://issues.apache.org/jira/browse/SPARK-46806?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon resolved SPARK-46806.
----------------------------------
Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 44846
[https://github.com/apache/spark/pull/44846]
> Improve error message for spark.table when argument type is wrong
> -----------------------------------------------------------------
>
> Key: SPARK-46806
> URL: https://issues.apache.org/jira/browse/SPARK-46806
> Project: Spark
> Issue Type: Test
> Components: PySpark
> Affects Versions: 4.0.0
> Reporter: Hyukjin Kwon
> Assignee: Hyukjin Kwon
> Priority: Minor
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> {code}
> >>> spark.table(None)
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "/.../spark/python/pyspark/sql/session.py", line 1710, in table
> return DataFrame(self._jsparkSession.table(tableName), self)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> File "/.../spark/python/lib/py4j-0.10.9.7-src.zip/py4j/java_gateway.py", line 1322, in __call__
> File "/.../spark/python/pyspark/errors/exceptions/captured.py", line 215, in deco
> return f(*a, **kw)
> ^^^^^^^^^^^
> File "/.../spark/python/lib/py4j-0.10.9.7-src.zip/py4j/protocol.py", line 326, in get_return_value
> py4j.protocol.Py4JJavaError: An error occurred while calling o27.table.
> : java.lang.NullPointerException: Cannot invoke "String.length()" because "s" is null
> at org.antlr.v4.runtime.CharStreams.fromString(CharStreams.java:222)
> at org.antlr.v4.runtime.CharStreams.fromString(CharStreams.java:212)
> at org.apache.spark.sql.catalyst.parser.AbstractParser.parse(parsers.scala:58)
> at org.apache.spark.sql.execution.SparkSqlParser.parse(SparkSqlParser.scala:55)
> at org.apache.spark.sql.catalyst.parser.AbstractSqlParser.parseMultipartIdentifier(AbstractSqlParser.scala:54)
> at org.apache.spark.sql.DataFrameReader.table(DataFrameReader.scala:681)
> at org.apache.spark.sql.SparkSession.table(SparkSession.scala:619)
> at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
> at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.base/java.lang.reflect.Method.invoke(Method.java:568)
> at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
> at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:374)
> at py4j.Gateway.invoke(Gateway.java:282)
> {code}
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