# Elasticsearch Client

**URL:** <https://discuss.elastic.co/t/elasticsearch-client/49174>\
**Category:** Elasticsearch\
**Created:** [May 4, 2016, 1:04pm UTC](https://discuss.elastic.co/t/elasticsearch-client/49174 "2016-05-04T13:04:13Z")\
**Posts on this page:** 6\
**Page:** 1

<div class="post-metadata">

**Author:** ![Karsten\_Klein](https://avatars.discourse-cdn.com/v4/letter/k/94ad74/32.png) [@Karsten\_Klein](https://discuss.elastic.co/u/Karsten_Klein)\
**Post date:** [May 4, 2016, 1:04pm UTC](https://discuss.elastic.co/t/elasticsearch-client/49174/1 "2016-05-04T13:04:13Z")

</div>

Hi there!

I'm have a java application accessing ES. I'm having trouble with the latest elasticsearch-2.3.x.jar files. My questions:

1. Why does the maven artifact

have such different dependencies as the former 2.3.1 version?

1. I.e., why is it using an older Lucene Version 4.10.4, while 2.3.1 was using 5.5.0

That makes 2.3.1 quite incompatible with 2.3.2.

1. Why does the client require lucene in the first place?

I would have assumed that the client does not need all the backend engine dependencies.

Thanks for any backgrounds or feedback,

Karsten

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<div class="post-metadata">

**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [May 4, 2016, 1:39pm UTC](https://discuss.elastic.co/t/elasticsearch-client/49174/2 "2016-05-04T13:39:41Z")

</div>

2.3.1 is using Lucene 5.5.0. See [https://github.com/elastic/elasticsearch/blob/v2.3.1/pom.xml#L47](https://github.com/elastic/elasticsearch/blob/v2.3.1/pom.xml#L47)

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<div class="post-metadata">

**Author:** ![Karsten\_Klein](https://avatars.discourse-cdn.com/v4/letter/k/94ad74/32.png) [@Karsten\_Klein](https://discuss.elastic.co/u/Karsten_Klein)\
**Post date:** [May 4, 2016, 1:43pm UTC](https://discuss.elastic.co/t/elasticsearch-client/49174/3 "2016-05-04T13:43:53Z")

</div>

True, But 2.3.1 uses 4.10.4. Why I did't investigate. I did an independent pom and had a look at the transitive deps:

pom.xml  
\<project xmlns="[http://maven.apache.org/POM/4.0.0](http://maven.apache.org/POM/4.0.0)" xmlns:xsi="[http://www.w3.org/2001/XMLSchema-instance](http://www.w3.org/2001/XMLSchema-instance)"  
xsi:schemaLocation="[http://maven.apache.org/POM/4.0.0](http://maven.apache.org/POM/4.0.0) [http://maven.apache.org/xsd/maven-4.0.0.xsd](http://maven.apache.org/xsd/maven-4.0.0.xsd)" \>  
\<modelVersion\>4.0.0\</modelVersion\>  
\<groupId\>x\</groupId\>  
\<artifactId\>y\</artifactId\>  
\<version\>0.0.1-SNAPSHOT\</version\>  
\<name\>z\</name\>  
\<description\>z\</description\>  
\<dependencies\>  
\<dependency\>  
\<groupId\>org.elasticsearch\</groupId\>  
\<artifactId\>elasticsearch\</artifactId\>  
\<version\>2.3.2\</version\>  
\</dependency\>  
\</dependencies\>  
\</project\>

produces with mvn dependency:tree:

```
[INFO] x:y:jar:0.0.1-SNAPSHOT
[INFO] \- org.elasticsearch:elasticsearch:jar:2.3.2:compile
[INFO] +- org.apache.lucene:lucene-core:jar:4.10.4:compile
[INFO] +- org.apache.lucene:lucene-analyzers-common:jar:4.10.4:compile
[INFO] +- org.apache.lucene:lucene-queries:jar:4.10.4:compile
[INFO] +- org.apache.lucene:lucene-memory:jar:4.10.4:compile
[INFO] +- org.apache.lucene:lucene-highlighter:jar:4.10.4:compile
[INFO] +- org.apache.lucene:lucene-queryparser:jar:4.10.4:compile
[INFO] +- org.apache.lucene:lucene-sandbox:jar:4.10.4:compile
[INFO] +- org.apache.lucene:lucene-suggest:jar:4.10.4:compile
[INFO] +- org.apache.lucene:lucene-misc:jar:4.10.4:compile
[INFO] +- org.apache.lucene:lucene-join:jar:4.10.4:compile
[INFO] +- org.apache.lucene:lucene-grouping:jar:4.10.4:compile
[INFO] +- org.apache.lucene:lucene-spatial:jar:4.10.4:compile
[INFO] | \- com.spatial4j:spatial4j:jar:0.4.1:compile
[INFO] \- org.yaml:snakeyaml:jar:1.12:compile
```

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<div class="post-metadata">

**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [May 4, 2016, 2:00pm UTC](https://discuss.elastic.co/t/elasticsearch-client/49174/4 "2016-05-04T14:00:59Z")

</div>

No. With your `pom.xml` it gives:

```auto
$ mvn dependency:tree
[INFO] Scanning for projects...
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building z 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-dependency-plugin:2.8:tree (default-cli) @ y ---
[INFO] x:y:jar:0.0.1-SNAPSHOT
[INFO] \- org.elasticsearch:elasticsearch:jar:2.3.2:compile
[INFO] +- org.apache.lucene:lucene-core:jar:5.5.0:compile
[INFO] +- org.apache.lucene:lucene-backward-codecs:jar:5.5.0:compile
[INFO] +- org.apache.lucene:lucene-analyzers-common:jar:5.5.0:compile
[INFO] +- org.apache.lucene:lucene-queries:jar:5.5.0:compile
[INFO] +- org.apache.lucene:lucene-memory:jar:5.5.0:compile
[INFO] +- org.apache.lucene:lucene-highlighter:jar:5.5.0:compile
[INFO] +- org.apache.lucene:lucene-queryparser:jar:5.5.0:compile
[INFO] | \- org.apache.lucene:lucene-sandbox:jar:5.5.0:compile
[INFO] +- org.apache.lucene:lucene-suggest:jar:5.5.0:compile
[INFO] | \- org.apache.lucene:lucene-misc:jar:5.5.0:compile
[INFO] +- org.apache.lucene:lucene-join:jar:5.5.0:compile
[INFO] | \- org.apache.lucene:lucene-grouping:jar:5.5.0:compile
[INFO] +- org.apache.lucene:lucene-spatial:jar:5.5.0:compile
[INFO] | +- org.apache.lucene:lucene-spatial3d:jar:5.5.0:compile
[INFO] | \- com.spatial4j:spatial4j:jar:0.5:compile
[INFO] +- com.google.guava:guava:jar:18.0:compile
[INFO] +- org.elasticsearch:securesm:jar:1.0:compile
[INFO] +- com.carrotsearch:hppc:jar:0.7.1:compile
[INFO] +- joda-time:joda-time:jar:2.8.2:compile
[INFO] +- org.joda:joda-convert:jar:1.2:compile
[INFO] +- com.fasterxml.jackson.core:jackson-core:jar:2.6.2:compile
[INFO] +- com.fasterxml.jackson.dataformat:jackson-dataformat-smile:jar:2.6.2:compile
[INFO] +- com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:jar:2.6.2:compile
[INFO] | \- org.yaml:snakeyaml:jar:1.15:compile
[INFO] +- com.fasterxml.jackson.dataformat:jackson-dataformat-cbor:jar:2.6.2:compile
[INFO] +- io.netty:netty:jar:3.10.5.Final:compile
[INFO] +- com.ning:compress-lzf:jar:1.0.2:compile
[INFO] +- com.tdunning:t-digest:jar:3.0:compile
[INFO] +- org.hdrhistogram:HdrHistogram:jar:2.1.6:compile
[INFO] +- commons-cli:commons-cli:jar:1.3.1:compile
[INFO] \- com.twitter:jsr166e:jar:1.1.0:compile

```

You have something wrong on your side.

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<div class="post-metadata">

**Author:** ![Karsten\_Klein](https://avatars.discourse-cdn.com/v4/letter/k/94ad74/32.png) [@Karsten\_Klein](https://discuss.elastic.co/u/Karsten_Klein)\
**Post date:** [May 4, 2016, 2:07pm UTC](https://discuss.elastic.co/t/elasticsearch-client/49174/5 "2016-05-04T14:07:05Z")

</div>

Thank you. I will investigate.

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 5, 2017, 10:53pm UTC](https://discuss.elastic.co/t/elasticsearch-client/49174/6 "2017-07-05T22:53:58Z")

</div>