AWS Lambda Java

Question

When deploying a function from eclipse that needs to access an amazon service (dynamodb for example) i add the aws sdk library in project build path in order to gain access to aws services. This however results to a big jar which in result leads to big upload time in order to deploy and test the function. Is there an other way in order to make the jar lighter ?

You should give more details about what are you doing. Sizes maybe, what was included in your project. — user4776684
– user4776684, Commented Aug 15, 2015 at 22:48
thx for the reply.I am trying to add an item to dynamodb from the lambda function. I am asking if there is another way than to include the whole aws sdk library. — Nicholas Papadakos
– Nicholas Papadakos, Commented Aug 15, 2015 at 22:49
Yes, you could just include the DynamoDB module, this will substantially reduce the size of your JAR. java.awsblog.com/post/TxBSZ02ZOG3VPZ/… — JaredHatfield
– JaredHatfield, Commented Aug 16, 2015 at 19:42
hello, that was exactly what i was looking for. Thank you, off to try it. — Nicholas Papadakos
– Nicholas Papadakos, Commented Aug 16, 2015 at 23:12

Rise Tracker · Accepted Answer · 2015-10-09 19:20:06Z

2

I think you should use "maven" to add only the required dependencies. It will effectively reduce your jar size.

For required dependencies you can check the link given below: http://mvnrepository.com/artifact/com.amazonaws

answered Oct 9, 2015 at 19:20

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Alejandro Garcia · Accepted Answer · 2017-08-18 16:09:51Z

0

Maybe you could exclude all undesired libs from one specific dependency in pom.xml. Using this tag:

  <exclusions>
    <exclusion>  <!-- declare the exclusion here -->
      <groupId>sample.ProjectB</groupId>
      <artifactId>Project-B</artifactId>
    </exclusion>
  </exclusions>

answered Aug 18, 2017 at 16:09

Alejandro Garcia

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Lakhan Kriplani · Accepted Answer · 2015-08-17 06:16:53Z

-1

If you want to use any Amazon services with Lambda function you don't have to include AWS-sdk library like AWS or even AWS-DynamoDB in project, simply add the reference for the AWS services you want to use.

As AWS Lambda is configured to use AWS-sdk libraries. If you are using services other than AWS then you have to include the supporting libraries.

answered Aug 17, 2015 at 6:16

Lakhan Kriplani

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