# About the JavaAPI - why do not recognize PreBuiltTransportClient

**URL:** <https://discuss.elastic.co/t/about-the-javaapi-why-do-not-recognize-prebuilttransportclient/70513>\
**Category:** Elasticsearch\
**Created:** [January 4, 2017, 5:56am UTC](https://discuss.elastic.co/t/about-the-javaapi-why-do-not-recognize-prebuilttransportclient/70513 "2017-01-04T05:56:38Z")\
**Posts on this page:** 9\
**Page:** 1

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**Author:** ![AmazoneWebService](https://avatars.discourse-cdn.com/v4/letter/a/e19adc/32.png) [@AmazoneWebService](https://discuss.elastic.co/u/AmazoneWebService)\
**Post date:** [January 4, 2017, 5:56am UTC](https://discuss.elastic.co/t/about-the-javaapi-why-do-not-recognize-prebuilttransportclient/70513/1 "2017-01-04T05:56:38Z")

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ES 5.1.1, use JavaAPI

As describe at manual, write pom.xml  
 ![](https://us1.discourse-cdn.com/elastic/original/2X/f/fef727944c6469c3ffb89bcac1c9061a44e8ad46.png)

but have a problem. that don't recognize PreBuiltTransportClient

 ![](https://us1.discourse-cdn.com/elastic/original/2X/4/41f7de8ec2803e4e32f5576abb45543bdeff7fbc.png)

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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:** [January 4, 2017, 6:11am UTC](https://discuss.elastic.co/t/about-the-javaapi-why-do-not-recognize-prebuilttransportclient/70513/2 "2017-01-04T06:11:36Z")

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May be your workspace is not refreshed?

Check in the list of the jars that has been imported if you can see the transport jar.

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<div class="post-metadata">

**Author:** ![AmazoneWebService](https://avatars.discourse-cdn.com/v4/letter/a/e19adc/32.png) [@AmazoneWebService](https://discuss.elastic.co/u/AmazoneWebService)\
**Post date:** [January 5, 2017, 7:27am UTC](https://discuss.elastic.co/t/about-the-javaapi-why-do-not-recognize-prebuilttransportclient/70513/4 "2017-01-05T07:27:30Z")

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yes. refresh~ i checked the jar file.  
but when i click the PreBuilTransportClient method, it did not point jar file

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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:** [January 5, 2017, 7:50am UTC](https://discuss.elastic.co/t/about-the-javaapi-why-do-not-recognize-prebuilttransportclient/70513/5 "2017-01-05T07:50:30Z")

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What gives `mvn dependency:tree` ?

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<div class="post-metadata">

**Author:** ![AmazoneWebService](https://avatars.discourse-cdn.com/v4/letter/a/e19adc/32.png) [@AmazoneWebService](https://discuss.elastic.co/u/AmazoneWebService)\
**Post date:** [January 5, 2017, 7:58am UTC](https://discuss.elastic.co/t/about-the-javaapi-why-do-not-recognize-prebuilttransportclient/70513/6 "2017-01-05T07:58:38Z")

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it my pom.xml file.

```
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  
  <groupId>elasticsearch-test</groupId>
  <artifactId>elasticsearch-test</artifactId>
  <version>1.0.0</version>
    <packaging>jar</packaging>
    
  <build>
    <sourceDirectory>src</sourceDirectory>
    <plugins>
      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.5.1</version>
        <configuration>
          <source>1.3</source>
          <target>1.1</target>
        </configuration>
      </plugin>
    </plugins>
  </build>
  <dependencies>

  <dependency>
  	<groupId>org.elasticsearch.client</groupId>
  	<artifactId>transport</artifactId>
  	<version>5.1.1</version>
  </dependency>

  <dependency>
  	<groupId>org.apache.logging.log4j</groupId>
  	<artifactId>log4j-api</artifactId>
  	<version>2.6.2</version>
  </dependency>
  
  <dependency>
  	<groupId>org.apache.logging.log4j</groupId>
  	<artifactId>log4j-core</artifactId>
  	<version>2.6.2</version>
  </dependency>
  
  </dependencies>
</project>
```

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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:** [January 5, 2017, 8:35am UTC](https://discuss.elastic.co/t/about-the-javaapi-why-do-not-recognize-prebuilttransportclient/70513/7 "2017-01-05T08:35:16Z")

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Can you run please:

```auto
mvn dependency:tree

```

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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:** [January 5, 2017, 8:35am UTC](https://discuss.elastic.co/t/about-the-javaapi-why-do-not-recognize-prebuilttransportclient/70513/8 "2017-01-05T08:35:54Z")

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BTW this:

```auto
          <source>1.3</source>
          <target>1.1</target>

```

won't work.

You need Java 8 here.

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<div class="post-metadata">

**Author:** ![AmazoneWebService](https://avatars.discourse-cdn.com/v4/letter/a/e19adc/32.png) [@AmazoneWebService](https://discuss.elastic.co/u/AmazoneWebService)\
**Post date:** [January 5, 2017, 9:38am UTC](https://discuss.elastic.co/t/about-the-javaapi-why-do-not-recognize-prebuilttransportclient/70513/9 "2017-01-05T09:38:32Z")

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thank you very much.

i try update pom.xml

```
    <artifactId>maven-compiler-plugin</artifactId>
    <version>3.6.0</version>
    <configuration>
      <source>1.8</source>
      <target>1.8</target>

```

then operate well  
🙂

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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:** [February 2, 2017, 9:39am UTC](https://discuss.elastic.co/t/about-the-javaapi-why-do-not-recognize-prebuilttransportclient/70513/10 "2017-02-02T09:39:26Z")

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