# Hl.export\_elasticsearch conflict with scala2.12
**URL:** https://discuss.hail.is/t/hl-export-elasticsearch-conflict-with-scala2-12/1826
**Category:** Hail Query & hailctl
**Created:** [December 2, 2020, 5:23am UTC](https://discuss.hail.is/t/hl-export-elasticsearch-conflict-with-scala2-12/1826 "2020-12-02T05:23:31Z")
**Posts on this page:** 7
**Page:** 1
### Author:  [@mhebrard](https://discuss.hail.is/u/mhebrard)
#### Post date: [December 2, 2020, 5:23am UTC](https://discuss.hail.is/t/hl-export-elasticsearch-conflict-with-scala2-12/1826/1 "2020-12-02T05:23:31Z")
Hi.
I am installing Hail v0.2.60 on spark 3.0.0 / scala 2.12.10
```bash
sudo make install-on-cluster HAIL_COMPILE_NATIVES=1 SCALA_VERSION=2.12.10 SPARK_VERSION=3.0.0
```
I am able to load, process and write data without issues.
The problem rise when I wish to export my table on Elasticsearch. Here I got a error that seems like an incompatibility with scala 2.12.
```python
# Load table
ht_res = hl.read_table('s3://[...].ht')
hl.export_elasticsearch(
ht_res,
"[es-URL]",
[es-port],
'[index]',
'documents',
100,
config={
'es.nodes.wan.only':'true',
'es.batch.write.retry.wait':'60s',
'es.batch.write.retry.count':'30'
},
verbose=True
)
```
> Hail version: 0.2.60-de1845e1c2f6
> Error summary: NoSuchMethodError: scala.Predef$.refArrayOps([Ljava/lang/Object;)Lscala/collection/mutable/ArrayOps;
---
### Author:  [@mhebrard](https://discuss.hail.is/u/mhebrard)
#### Post date: [December 2, 2020, 10:02am UTC](https://discuss.hail.is/t/hl-export-elasticsearch-conflict-with-scala2-12/1826/2 "2020-12-02T10:02:05Z")
In the mean time, I am able to install Hail v0.2.60 on spark 2.4.6 / scala 2.11.12
```bash
sudo make install-on-cluster HAIL_COMPILE_NATIVES=1 SCALA_VERSION=2.11.12 SPARK_VERSION=2.4.6
```
In this context `hl.export_elasticsearch()` code above run without issue
---
### Author:  [@johnc1231](https://discuss.hail.is/u/johnc1231)
#### Post date: [December 2, 2020, 2:10pm UTC](https://discuss.hail.is/t/hl-export-elasticsearch-conflict-with-scala2-12/1826/3 "2020-12-02T14:10:41Z")
You’re right, this is a mistake. We hard code the path to the elasticsearch dependency to use spark 2 and scala 2.11.
I made a github issue here: [https://github.com/hail-is/hail/issues/9767](https://github.com/hail-is/hail/issues/9767)
and assigned it to myself. Will try to address in next few days.
---
### Author:  [@johnc1231](https://discuss.hail.is/u/johnc1231)
#### Post date: [December 8, 2020, 4:17pm UTC](https://discuss.hail.is/t/hl-export-elasticsearch-conflict-with-scala2-12/1826/4 "2020-12-08T16:17:50Z")
I’m actually not sure how to do this. We use the library here, which is explicitly for spark 2.x:
> **[Maven Repository: org.elasticsearch » elasticsearch-spark-20](https://mvnrepository.com/artifact/org.elasticsearch/elasticsearch-spark-20)**
I’ve done some quick googling and didn’t immediately find anyone doing this with Spark 3, I’ll have to keep looking.
---
### Author:  [@nawatts](https://discuss.hail.is/u/nawatts)
#### Post date: [December 8, 2020, 7:48pm UTC](https://discuss.hail.is/t/hl-export-elasticsearch-conflict-with-scala2-12/1826/5 "2020-12-08T19:48:03Z")
There’s an open issue for Spark 3 / Scala 2.12 support in the elasticsearch-hadoop connnector.
>
>
> Feature description
> Spark3 is currently in RC. Will there be support for Spark3 in the next release version (v8) or will we...
---
### Author:  [@johnc1231](https://discuss.hail.is/u/johnc1231)
#### Post date: [December 8, 2020, 7:55pm UTC](https://discuss.hail.is/t/hl-export-elasticsearch-conflict-with-scala2-12/1826/6 "2020-12-08T19:55:01Z")
Thanks @nawatts. So I think the answer then is that there’s not currently a way to export to elasticsearch from Spark 3, and until there is Hail likely won’t support it.
---
### Author:  [@nawatts](https://discuss.hail.is/u/nawatts)
#### Post date: [December 8, 2020, 8:08pm UTC](https://discuss.hail.is/t/hl-export-elasticsearch-conflict-with-scala2-12/1826/7 "2020-12-08T20:08:14Z")
Also, [https://www.elastic.co/guide/en/elasticsearch/hadoop/current/install.html](https://www.elastic.co/guide/en/elasticsearch/hadoop/current/install.html) lists (in the Apache Spark section) supported Spark / Scala versions and their corresponding ES-Hadoop artifact ID.