ES Transport client 5.4 in java 1.7

Elastic Stack Elasticsearch
1

Hi

I am running ES master and data nodes in 1.8. And i have project where i use java client i.e., transport client. But it runs on the java 1.7. I am getting the exception

2017-06-03 00:38:09.151 o.a.s.d.worker [ERROR] Error on initialization of server mk-workerjava.lang.UnsupportedClassVersionError: org/elasticsearch/index/query/QueryBuilder : Unsupported major.minor version 52.0

Is it strict that client also should be in 1.8? or is there a way to use 1.7. Because my project upgrading to 1.8 is a huge and critical task for us and we require it to be in 1.7. Can anybody give suggestions.

 <dependency>
            <groupId>org.elasticsearch</groupId>
            <artifactId>elasticsearch</artifactId>
            <version>5.4.0</version>
        </dependency>
        <dependency>
		<groupId>org.elasticsearch.client</groupId>
			<artifactId>transport</artifactId>
			<version>5.4.0</version>
		</dependency>
2

Yes. You need to have a supported jvm version

3

Can't i run the transport client in java 1.7?

4

You can but only with old elasticsearch versions.
2.4 should work IIRC

5

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