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https://issues.apache.org/jira/browse/SPARK-24032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16445519#comment-16445519
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Hyukjin Kwon commented on SPARK-24032:
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Yea, doesn't that look a problem from elasticsearch thirdparty library? I'd
resolve this JIRA in Spark side.
> ElasticSearch update fails on nested field
> ------------------------------------------
>
> Key: SPARK-24032
> URL: https://issues.apache.org/jira/browse/SPARK-24032
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.2.0
> Reporter: Cristina Luengo
> Priority: Major
>
> I'm trying to update a nested field on ElasticSearch using a scripted update.
> The code I'm using is:
> update_params = "new_samples: samples"
> update_script = "ctx._source.samples += new_samples"
> es_conf =
> { "es.mapping.id": "id", "es.mapping.exclude": "id", "es.write.operation":
> "upsert", "es.update.script.params": update_params,
> "es.update.script.inline": update_script }
> result.write.format("org.elasticsearch.spark.sql").options(**es_conf).option("es.nodes",configuration["elasticsearch"]["host"]).option("es.port",configuration["elasticsearch"]["port"]
>
> ).save(configuration["elasticsearch"]["index_name"]+"/"+configuration["version"],mode='append')
> And the schema of the field is:
> |– samples: array (nullable = true)|
> | |– element: struct (containsNull = true)|
> | | |– gq: integer (nullable = true)|
> | | |– dp: integer (nullable = true)|
> | | |– gt: string (nullable = true)|
> | | |– adBug: array (nullable = true)|
> | | | |– element: integer (containsNull = true)|
> | | |– ad: double (nullable = true)|
> | | |– sample: string (nullable = true)|
> And I get the following error:
> py4j.protocol.Py4JJavaError: An error occurred while calling o83.save.
> : org.apache.spark.SparkException: Job aborted due to stage failure: Task 0
> in stage 1.0 failed 1 times, most recent failure: Lost task 0.0 in stage 1.0
> (TID 1, localhost, executor driver): java.lang.ClassCastException:
> scala.collection.mutable.WrappedArray$ofRef cannot be cast to scala.Tuple2
> Am I doing something wrong or is this a bug? Thanks.
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