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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Getting a TreeNode Exception while saving into Hadoop
Date Mon, 08 Aug 2016 19:41:50 GMT
Mind showing the complete stack trace ?

Thanks

On Mon, Aug 8, 2016 at 12:30 PM, max square <max2subscribe@gmail.com> wrote:

> Thanks Ted for the prompt reply.
>
> There are three or four DFs that are coming from various sources and I'm
> doing a unionAll on them.
>
> val placesProcessed = placesUnchanged.unionAll(placesAddedWithMerchantId).
> unionAll(placesUpdatedFromHotelsWithMerchantId).unionAll(pla
> cesUpdatedFromRestaurantsWithMerchantId).unionAll(placesChanged)
>
> I'm using Spark 1.6.2.
>
> On Mon, Aug 8, 2016 at 3:11 PM, Ted Yu <yuzhihong@gmail.com> wrote:
>
>> Can you show the code snippet for unionAll operation ?
>>
>> Which Spark release do you use ?
>>
>> BTW please use user@spark.apache.org in the future.
>>
>> On Mon, Aug 8, 2016 at 11:47 AM, max square <max2subscribe@gmail.com>
>> wrote:
>>
>>> Hey guys,
>>>
>>> I'm trying to save Dataframe in CSV format after performing unionAll
>>> operations on it.
>>> But I get this exception -
>>>
>>> Exception in thread "main" org.apache.spark.sql.catalyst.
>>> errors.package$TreeNodeException: execute, tree:
>>> TungstenExchange hashpartitioning(mId#430,200)
>>>
>>> I'm saving it by
>>>
>>> df.write.format("com.databricks.spark.csv").options(Map("mode" ->
>>> "DROPMALFORMED", "delimiter" -> "\t", "header" -> "true")).save(bakDir
>>> + latest)
>>>
>>> It works perfectly if I don't do the unionAll operation.
>>> I see that the format isn't different by printing the part of the
>>> results.
>>>
>>> Any help regarding this would be appreciated.
>>>
>>>
>>
>

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