Seems that this is a common issue with Spark 2.0.0
I faced similar with CSV. Saw someone facing this with JSON.
https://issues.apache.org/jira/browse/SPARK-16893
On Mon, Aug 8, 2016 at 4:08 PM, Ted Yu <yuzhih...@gmail.com> wrote:
> Can you examine classpath to see where *DefaultSource comes from ?*
>
> *Thanks*
>
> On Mon, Aug 8, 2016 at 2:34 AM, 金国栋 <scu...@gmail.com> wrote:
>
>> I'm using Spark2.0.0 to do sql analysis over parquet files, when using
>> `read().parquet("path")`, or `write().parquet("path")` in Java(I followed
>> the example java file in source code exactly), I always encountered
>>
>> *Exception in thread "main" java.lang.RuntimeException: Multiple sources
>> found for parquet
>> (org.apache.spark.sql.execution.datasources.parquet.ParquetFileFormat,
>> org.apache.spark.sql.execution.datasources.parquet.DefaultSource), please
>> specify the fully qualified class name.*
>>
>> Any idea why?
>>
>> Thanks.
>>
>> Best,
>> Jelly
>>
>
>
